Pub Date : 2018-12-28DOI: 10.24960/jli.v8i2.4330.67-76
F. Firdausni, K. Kamsina
Pemanfaatan jahe menjadi suatu produk alternatif yang mempunyai nilai tambah salah satunya adalah makanan ringan ting-ting jahe. Produk ini merupakan pangan fungsional yang berkhasiat obat. Penelitian bertujuan untuk mengetahui pengaruh jenis jahe dan penambahan jahe terhadap karakteristik fisik, total fenol, kandungan utama jahe gingerol dan shogaol ting-ting jahe. Penelitian dilakukan dengan menggunakan jahe emprit dan jahe merah dengan persentase penambahan terhadap bahan 10%, 20% dan 30%. Hasil penelitian menunjukkan bahwa pemakaian jenis jahe memberikan pengaruh terhadap total fenol, gingerol dan shogaol ting-ting jahe. Perlakuan optimal didapatkan pada ting-ting jahe emprit dengan penambahan 30% dengan total fenol 1,66%, gingerol (6,8 dan 10 gingerol) berturut turut 0,172 mg/g; 0,163 mg/g; 0,275 mg/g, dan 6 shogaol 0,150 mg/g. Penilaian organoleptik tingkat kesukaan panelis terbaik diperoleh pada perlakuan ting-ting jahe merah 20% dengan rasa, aroma dan tekstur 3,90; 3,75; 3,45 yaitu disukai. Abstract An alternative product from ginger that has an added value is by making it as a snack food called ginger ting-ting. This product is a functional food which has a medicinal properties. The study was aimed to determine the effect of ginger type and the addition of ginger to the physical characteristics, total phenol, the main content of ginger gingerol and shogaol of ginger ting-ting. The study was carried out using yellow ginger and red ginger with the percentage of addition to the ingredients of 10%, 20%, and 30%. The results showed that the use of the ginger type affected the total phenol, gingerol, and shogaol of ginger ting-ting. The optimal treatment was obtained in yellow ginger ting-ting at the addition 30% with total phenol 1.66%, gingerol (6, 8, and 10 gingerol) 0.172 mg/g; 0.163 mg/g; 0.275 mg/g respectively, and 6 shogaol 0.150 mg/g. Organoleptic assessment of the best panelist preference level was obtained at the treatment 20% red ginger ting-ting with the taste, flavor, and texture were preferred with value 3.90; 3.75; 3.45 recpectively.
{"title":"Pengaruh pemakaian jahe emprit dan jahe merah terhadap karakteristik fisik, total fenol, dan kandungan gingerol, shogaol ting-ting jahe (Zingiber officinale)","authors":"F. Firdausni, K. Kamsina","doi":"10.24960/jli.v8i2.4330.67-76","DOIUrl":"https://doi.org/10.24960/jli.v8i2.4330.67-76","url":null,"abstract":"Pemanfaatan jahe menjadi suatu produk alternatif yang mempunyai nilai tambah salah satunya adalah makanan ringan ting-ting jahe. Produk ini merupakan pangan fungsional yang berkhasiat obat. Penelitian bertujuan untuk mengetahui pengaruh jenis jahe dan penambahan jahe terhadap karakteristik fisik, total fenol, kandungan utama jahe gingerol dan shogaol ting-ting jahe. Penelitian dilakukan dengan menggunakan jahe emprit dan jahe merah dengan persentase penambahan terhadap bahan 10%, 20% dan 30%. Hasil penelitian menunjukkan bahwa pemakaian jenis jahe memberikan pengaruh terhadap total fenol, gingerol dan shogaol ting-ting jahe. Perlakuan optimal didapatkan pada ting-ting jahe emprit dengan penambahan 30% dengan total fenol 1,66%, gingerol (6,8 dan 10 gingerol) berturut turut 0,172 mg/g; 0,163 mg/g; 0,275 mg/g, dan 6 shogaol 0,150 mg/g. Penilaian organoleptik tingkat kesukaan panelis terbaik diperoleh pada perlakuan ting-ting jahe merah 20% dengan rasa, aroma dan tekstur 3,90; 3,75; 3,45 yaitu disukai. Abstract An alternative product from ginger that has an added value is by making it as a snack food called ginger ting-ting. This product is a functional food which has a medicinal properties. The study was aimed to determine the effect of ginger type and the addition of ginger to the physical characteristics, total phenol, the main content of ginger gingerol and shogaol of ginger ting-ting. The study was carried out using yellow ginger and red ginger with the percentage of addition to the ingredients of 10%, 20%, and 30%. The results showed that the use of the ginger type affected the total phenol, gingerol, and shogaol of ginger ting-ting. The optimal treatment was obtained in yellow ginger ting-ting at the addition 30% with total phenol 1.66%, gingerol (6, 8, and 10 gingerol) 0.172 mg/g; 0.163 mg/g; 0.275 mg/g respectively, and 6 shogaol 0.150 mg/g. Organoleptic assessment of the best panelist preference level was obtained at the treatment 20% red ginger ting-ting with the taste, flavor, and texture were preferred with value 3.90; 3.75; 3.45 recpectively.","PeriodicalId":31936,"journal":{"name":"JLI Jurnal Litbang Industri","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87499958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-12-28DOI: 10.24960/JLI.V8I2.4290.95-104
Salmariza Sy, Desi Kurniawati, Intan Lestari, H. Harmiwati, Monik Kasman
Pernelitian dengan sistim batch telah dilakukan untuk mempelajari pengaruh perlakuan pH larutan dan dosis adsorben yang dibuat dari limbah lumpur aktif industri crumb rubber (LLA-ICR) terhadap kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II) dan Zn(II) dalam larutan. Pengamatan meliputi variasi pH larutan pada range 1-7 dan dosis adsorben LLA-ICR 0,1 g - 1,0 g. Karakterisasi adsorben sebelum dan sesudah proses adsorpsi dilakukan dengan menggunakan FTIR, XRF dan SEM–EDX. Hasil penelitian menunjukkan bahwa perlakuan pH larutan dan dosis adsorben berpengaruh pada kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II), dan Zn(II). pH optimum didapatkan pada pH 5. Semakin rendah dosis adsorben, maka semakin tinggi kapasitas adsorpsi namun semakin rendah efisiensi penyisihan ion Cd(II) dan Zn(II). Dosis adsorben optimum didapatkan pada 0,1g, dengan kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II) > Zn(II). Kapasitas adsorpsi maksimum untuk ion Cd(II) dan Zn(II) berturut-turut 29,8 mg/g dan 10,3 mg/g. Efisiensi penyisihan maksimum intuk ion Cd(II) dan ion Zn(II) adalah 95,4% dan 87,9%. Abstract A batch system has been carried out to study the treatment effect of pH solution and adsorbent dosage derived from crumb rubber (LLA-ICR) industrial activated sludge on the adsorption capacity and removal efficiency of Cd(II) and Zn(II) ions in aqueous solution. Observations included variations in the the solution pH in the range 1-7 and the LLA-ICR adsorbent dosage of 0.1 g - 1.0 g. Characterization of the adsorbent before and after the adsorption process was carried out using FTIR, XRF, and SEM-EDX. The results showed that the treatment of the pH solution and the adsorbent dose affected the adsorption capacity and removal efficiency of Cd(II) and Zn(II) ions. The optimum pH was obtained at pH 5. The lower the adsorbent dose the higher the adsorption capacity, however the lower the efficiency removal of Cd(II) and Zn(II) ions. The optimum adsorbent dosage was obtained at 0.1 g with adsorption capacity and removal efficiency of Cd(II) > Zn(II) ions. The maximum adsorption capacity for Cd(II) and Zn(II) ions were 29.8 mg/g and 10.3 mg/g respectively. The maximum removal efficiency forCd (II) and Zn(II) ions were 95.4% and 87.9%.
{"title":"Pengaruh pH dan dosis adsorben dari limbah lumpur aktif industri crumb rubber terhadap kapasitas penyerapan ion Cd(II) dan Zn(II)","authors":"Salmariza Sy, Desi Kurniawati, Intan Lestari, H. Harmiwati, Monik Kasman","doi":"10.24960/JLI.V8I2.4290.95-104","DOIUrl":"https://doi.org/10.24960/JLI.V8I2.4290.95-104","url":null,"abstract":"Pernelitian dengan sistim batch telah dilakukan untuk mempelajari pengaruh perlakuan pH larutan dan dosis adsorben yang dibuat dari limbah lumpur aktif industri crumb rubber (LLA-ICR) terhadap kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II) dan Zn(II) dalam larutan. Pengamatan meliputi variasi pH larutan pada range 1-7 dan dosis adsorben LLA-ICR 0,1 g - 1,0 g. Karakterisasi adsorben sebelum dan sesudah proses adsorpsi dilakukan dengan menggunakan FTIR, XRF dan SEM–EDX. Hasil penelitian menunjukkan bahwa perlakuan pH larutan dan dosis adsorben berpengaruh pada kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II), dan Zn(II). pH optimum didapatkan pada pH 5. Semakin rendah dosis adsorben, maka semakin tinggi kapasitas adsorpsi namun semakin rendah efisiensi penyisihan ion Cd(II) dan Zn(II). Dosis adsorben optimum didapatkan pada 0,1g, dengan kapasitas adsorpsi dan efisiensi penyisihan ion Cd(II) > Zn(II). Kapasitas adsorpsi maksimum untuk ion Cd(II) dan Zn(II) berturut-turut 29,8 mg/g dan 10,3 mg/g. Efisiensi penyisihan maksimum intuk ion Cd(II) dan ion Zn(II) adalah 95,4% dan 87,9%. Abstract A batch system has been carried out to study the treatment effect of pH solution and adsorbent dosage derived from crumb rubber (LLA-ICR) industrial activated sludge on the adsorption capacity and removal efficiency of Cd(II) and Zn(II) ions in aqueous solution. Observations included variations in the the solution pH in the range 1-7 and the LLA-ICR adsorbent dosage of 0.1 g - 1.0 g. Characterization of the adsorbent before and after the adsorption process was carried out using FTIR, XRF, and SEM-EDX. The results showed that the treatment of the pH solution and the adsorbent dose affected the adsorption capacity and removal efficiency of Cd(II) and Zn(II) ions. The optimum pH was obtained at pH 5. The lower the adsorbent dose the higher the adsorption capacity, however the lower the efficiency removal of Cd(II) and Zn(II) ions. The optimum adsorbent dosage was obtained at 0.1 g with adsorption capacity and removal efficiency of Cd(II) > Zn(II) ions. The maximum adsorption capacity for Cd(II) and Zn(II) ions were 29.8 mg/g and 10.3 mg/g respectively. The maximum removal efficiency forCd (II) and Zn(II) ions were 95.4% and 87.9%.","PeriodicalId":31936,"journal":{"name":"JLI Jurnal Litbang Industri","volume":"108 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85510176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-12-28DOI: 10.24960/JLI.V8I2.4094.83-88
Dian Pramana Putra, Alfi Asben, N. Novelina
Penelitian ini bertujuan untuk mengetahui lamanya waktu ekstraksi pigmen angkak dari ampas sagu menggunakan ultrasonic bath . Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan yaitu A (ekstraksi 10 menit), B (ekstraksi 20 menit), C (ekstraksi 30 menit), D (ekstraksi 40 menit). Hasil penelitian menunjukkan bahwa bubuk pigmen hasil proses ekstraksi angkak ampas sagu selama 40 menit (perlakuan D) merupakan perlakuan terbaik, dimana intensitas pigmen tertinggi untuk λ 400 nm (kuning), λ 470 nm (orange) dan λ 500 nm (merah ) yaitu 7,63 ; 6,91 dan 5,95. Karakteristik bubuk pigmen angkak (perlakuan D) memiliki nilai aktivias antioksidan 44,52% pada konsentrasi 1000 ppm, kandungan lovastatin 68,60 ppm, kadar air 4,83%, nilai pH 4,03 dan derajat kecerahan 26,76 o Hue (merah keunguan). Abstract This study was aimed to determine the duration of angkak pigment extraction from sago waste using ultrasonic bath. The study used a completely randomized design (CRD) with 4 treatments and 3 repetitions, A (extraction 10 minutes), B (extraction 20 minutes), C (extraction 30 minutes), D (extraction 40 minutes). The results showed that the powder pigment results of the extraction process angkak sago waste for 40 minutes (treatment D) was the best treatment, where the highest intensity of the pigment for λ 400 nm (yellow), λ 470 nm (orange) and λ 500 nm (red) were 7.63; 6.91; and 5.95 respectively. Characteristic of angkak pigment powder (treatment D) had value of antioxidant activity 44.52% at concentration 1000 ppm, lovastatin content 68.60 ppm, water content 4.83%, pH value 4.03, and degree of brightness 26.76 o Hue (red purple).
{"title":"Penentuan waktu ekstraksi pigmen angkak dari substrat ampas sagu menggunakan ultrasonic bath","authors":"Dian Pramana Putra, Alfi Asben, N. Novelina","doi":"10.24960/JLI.V8I2.4094.83-88","DOIUrl":"https://doi.org/10.24960/JLI.V8I2.4094.83-88","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui lamanya waktu ekstraksi pigmen angkak dari ampas sagu menggunakan ultrasonic bath . Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 kali ulangan yaitu A (ekstraksi 10 menit), B (ekstraksi 20 menit), C (ekstraksi 30 menit), D (ekstraksi 40 menit). Hasil penelitian menunjukkan bahwa bubuk pigmen hasil proses ekstraksi angkak ampas sagu selama 40 menit (perlakuan D) merupakan perlakuan terbaik, dimana intensitas pigmen tertinggi untuk λ 400 nm (kuning), λ 470 nm (orange) dan λ 500 nm (merah ) yaitu 7,63 ; 6,91 dan 5,95. Karakteristik bubuk pigmen angkak (perlakuan D) memiliki nilai aktivias antioksidan 44,52% pada konsentrasi 1000 ppm, kandungan lovastatin 68,60 ppm, kadar air 4,83%, nilai pH 4,03 dan derajat kecerahan 26,76 o Hue (merah keunguan). Abstract This study was aimed to determine the duration of angkak pigment extraction from sago waste using ultrasonic bath. The study used a completely randomized design (CRD) with 4 treatments and 3 repetitions, A (extraction 10 minutes), B (extraction 20 minutes), C (extraction 30 minutes), D (extraction 40 minutes). The results showed that the powder pigment results of the extraction process angkak sago waste for 40 minutes (treatment D) was the best treatment, where the highest intensity of the pigment for λ 400 nm (yellow), λ 470 nm (orange) and λ 500 nm (red) were 7.63; 6.91; and 5.95 respectively. Characteristic of angkak pigment powder (treatment D) had value of antioxidant activity 44.52% at concentration 1000 ppm, lovastatin content 68.60 ppm, water content 4.83%, pH value 4.03, and degree of brightness 26.76 o Hue (red purple).","PeriodicalId":31936,"journal":{"name":"JLI Jurnal Litbang Industri","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76052747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-12-28DOI: 10.24960/jli.v8i2.4189.105-110
Erti Praputri, Elmi Sundari, F. Firdaus, S. Sofyan
Singkong karet ( Manihot glaziovii Muell ) adalah salah satu sumber bahan baku bioetanol yang mempunyai kandungan pati yang cukup tinggi (98,5%). Penelitian ini bertujuan mempelajari kinerja katalis H 2 SO 4 , HCl, dan zeolit pada proses hidrolisis pati umbi singkong karet untuk menghasilkan glukosa. Proses hidrolisis untuk katalis homogen dilakukan pada temperatur 120 o C dan volume asam 250 ml, sedangkan untuk katalis heterogen dengan rasio massa pati dan aquades (1:25), waktu 60 menit, dan temperatur 120 o C. Perolehan glukosa untuk katalis homogen diamati melalui variasi konsentrasi HCl dan H 2 SO 4 masing-masing (0,1; 0,15; 0,2; 0,25; dan 0,3 N) dan waktu hidrolisis (45; 60; dan 75 menit). Untuk katalis heterogen, perolehan glukosa diamati melalui variasi massa zeolit (1; 3; dan 6 g), jenis asam pengaktif HCl dan H 2 SO 4 dengan konsentrasi0,15 N, dengan metode perendaman dan pemanasan pada temperature 50 o C. Hasil penelitian memperlihatkan konsentrasi dan waktu hidrolisis pati singkong karet berpengaruh terhadap perolehan glukosa pada penggunaan jenis katalis homogen (H 2 SO 4 dan HCl). Glukosa tertinggi (27,25%) diperoleh pada katalis homogen dengan konsentrasi H 2 SO 4 0,15 N dan waktu 60 menit. Zeolit yang diaktivasi dengan HCl dengan metode perendaman menghasilkan kadar glukosa lebih tinggi (14,13%) daripada zeolit yang diaktifkan dengan H 2 SO 4 (12,58%). Abstract Rubber cassava (Manihot glaziovii Muell) is one source of bioethanol raw material which has high starch content (98.5%). The manufacture of bioethanol is carried out through the process of hydrolysis and fermentation. This research was aimed to study the performance of the homogeneous and heterogeneous catalysts in the hydrolysis process of starch from rubber cassava tubers to produce glucose. The hydrolysis process for homogeneous catalyst was carried out at a temperature 120 o C and 250 ml acid volume, while for heterogeneous catalyst was the ratio of starch mass and distilled water (1:25), 60 minutes time, and 120 o C temperature. The glucose obtained for heterogeneous catalyst was observed through variations of HCl and H 2 SO 4 concentrations (0.1; 0.15; 0.2; 0.25; and 0.3 N) and hydrolysis time (45; 60; and 75 minutes). For heterogeneous catalyst, the glucose obtained was observed through zeolite mass variations (1; 3; and 6 g), type of activating acid HCl and H 2 SO 4 with 0.15 N concentration by immersion and heating method at 50 o C. The results showed that the concentration and hydrolysis time of rubber cassava starch affected the glucose obtained in the use of homogeneous catalyst types (H 2 SO 4 and HCl). The highest glucose was obtained at 0.15 N acid concentrations and 60 minutes time. Zeolite which was activated with HCl with soaking method resulted in higher glucose levels (14.13%) than activated with H 2 SO 4 (12.58%).
橡胶木薯(Manihot glaziovii Muell)是生物乙醇淀粉含量很高的原料来源之一。该研究的目的是研究橡胶木薯淀粉水解过程中H - 2 - 4、HCl和zeolit的催化作用。hidrolisis过程的催化剂的同质化120 o C温度和体积进行250 ml,至于酸催化剂异质的淀粉质量比例和aquades(1:25), 60分钟的时间,温度控制在120 o C .获得葡萄糖通过HCl)浓度的变化来观察催化剂的同质化和H 2所以每人4 (0.1;0,15;0.2;0;和0.3 N)和液压时间(45;60;75分钟。为了合成异质,葡萄糖的获取是通过zeolit的质量变化来观察的(1;3;6 g),酸牵引HCl)和H 2所以4 konsentrasi0,15 N, o和浸泡的方法以及变暖的温度50 C .研究结果显示橡胶木薯淀粉浓度和时间hidrolisis影响葡萄糖的习得使用类型的催化剂的同质化(H 2所以4和HCl))。葡萄糖的最高浓度(27.25%)是在一个浓度为H 2 SO 4。Zeolit的活性成分是HCl和浸泡方法,比h2 SO 4(12.58%)的Zeolit产生更多的葡萄糖水平(14.13%)。含碳量橡胶砂锅是目前高浓度的生物测定材料的一个来源。生物乙醇的制造和活性过程中留下了痕迹。这项研究允许研究从橡胶壳壳到葡萄糖生产的水生成过程中所产生的异质和异质加异化加异化过程。均质异化加水处理量为120 o C和250毫升乙酸,而异质加酸量为密度介质和稀释水的程度(1:25)、60分钟时间和120 C温度。对HCl和H 2 SO 4 concentrations (0.1;0。15;0。2;0。25;氢时间(45;60;(75分钟)对于异型catalyst,葡萄糖的结果是通过zeolite质量差观察(1;3;和6克),启动酸的HCl)和H型2所以4 0。15 N双臀:immersion和加热方法50点o C .《双臀和hydrolysis results那里那个时代的“橡胶木薯淀粉受到影响之境glucose获得用homogeneous加泰罗尼亚types (H 2所以4和HCl))。最重要的葡萄糖浓度是0。15酸浓度和60分钟时间。Zeolite哪种是激活with HCl) with soaking方法resulted in高glucose水平(13%)比14激活与12 H 2所以4(58%)。
{"title":"Penggunaan katalis homogen dan heterogen pada proses hidrolisis pati umbi singkong karet menjadi glukosa","authors":"Erti Praputri, Elmi Sundari, F. Firdaus, S. Sofyan","doi":"10.24960/jli.v8i2.4189.105-110","DOIUrl":"https://doi.org/10.24960/jli.v8i2.4189.105-110","url":null,"abstract":"Singkong karet ( Manihot glaziovii Muell ) adalah salah satu sumber bahan baku bioetanol yang mempunyai kandungan pati yang cukup tinggi (98,5%). Penelitian ini bertujuan mempelajari kinerja katalis H 2 SO 4 , HCl, dan zeolit pada proses hidrolisis pati umbi singkong karet untuk menghasilkan glukosa. Proses hidrolisis untuk katalis homogen dilakukan pada temperatur 120 o C dan volume asam 250 ml, sedangkan untuk katalis heterogen dengan rasio massa pati dan aquades (1:25), waktu 60 menit, dan temperatur 120 o C. Perolehan glukosa untuk katalis homogen diamati melalui variasi konsentrasi HCl dan H 2 SO 4 masing-masing (0,1; 0,15; 0,2; 0,25; dan 0,3 N) dan waktu hidrolisis (45; 60; dan 75 menit). Untuk katalis heterogen, perolehan glukosa diamati melalui variasi massa zeolit (1; 3; dan 6 g), jenis asam pengaktif HCl dan H 2 SO 4 dengan konsentrasi0,15 N, dengan metode perendaman dan pemanasan pada temperature 50 o C. Hasil penelitian memperlihatkan konsentrasi dan waktu hidrolisis pati singkong karet berpengaruh terhadap perolehan glukosa pada penggunaan jenis katalis homogen (H 2 SO 4 dan HCl). Glukosa tertinggi (27,25%) diperoleh pada katalis homogen dengan konsentrasi H 2 SO 4 0,15 N dan waktu 60 menit. Zeolit yang diaktivasi dengan HCl dengan metode perendaman menghasilkan kadar glukosa lebih tinggi (14,13%) daripada zeolit yang diaktifkan dengan H 2 SO 4 (12,58%). Abstract Rubber cassava (Manihot glaziovii Muell) is one source of bioethanol raw material which has high starch content (98.5%). The manufacture of bioethanol is carried out through the process of hydrolysis and fermentation. This research was aimed to study the performance of the homogeneous and heterogeneous catalysts in the hydrolysis process of starch from rubber cassava tubers to produce glucose. The hydrolysis process for homogeneous catalyst was carried out at a temperature 120 o C and 250 ml acid volume, while for heterogeneous catalyst was the ratio of starch mass and distilled water (1:25), 60 minutes time, and 120 o C temperature. The glucose obtained for heterogeneous catalyst was observed through variations of HCl and H 2 SO 4 concentrations (0.1; 0.15; 0.2; 0.25; and 0.3 N) and hydrolysis time (45; 60; and 75 minutes). For heterogeneous catalyst, the glucose obtained was observed through zeolite mass variations (1; 3; and 6 g), type of activating acid HCl and H 2 SO 4 with 0.15 N concentration by immersion and heating method at 50 o C. The results showed that the concentration and hydrolysis time of rubber cassava starch affected the glucose obtained in the use of homogeneous catalyst types (H 2 SO 4 and HCl). The highest glucose was obtained at 0.15 N acid concentrations and 60 minutes time. Zeolite which was activated with HCl with soaking method resulted in higher glucose levels (14.13%) than activated with H 2 SO 4 (12.58%).","PeriodicalId":31936,"journal":{"name":"JLI Jurnal Litbang Industri","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73100702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-12-28DOI: 10.24960/JLI.V8I2.4059.89-94
I. T. Anova, A. Kasim, T. Anggraini
Tannin made from gambier extract contains hydroxyl groups and so can be modified to synthesize polymers. Gambier extract has a high tannin content that contains polyflavonoids with other additives. This allows it to be modified by polycondensation to make a polymer foam which can be used as an insulator for heat and sound, an absorber of heavy metal pollutants and for protective packaging. This study investigates the utilization of gambier in the manufacture of foam and determines the physical properties of the foam produced. The study was conducted using ethanol to produce the gambier extract from leaves of the plant which was used in the proportions of 14%, 24%, and 34% by weight to make different foam samples. Foam produced from 24% gambier extract had optimum qualities with a density value of 0.34 g/cm3, pH 6.83, compressive strength of 0.14 kg/cm2, thermal conductivity of 5.52 W/moC, and was semi-flexible foam. Abstrak Salah satu senyawa kelompok OH yang dapat dimodifikasi untuk tujuan sintesis polimer adalah tanin dari ekstrak gambir. Ekstrak gambir dengan kandungan tanin tinggi dapat dimodifikasi untuk pembuatan busa yang dapat digunakan sebagai bahan isolator panas, suara, dan penyerap logam serta untuk pengemasan. Pada pembuatan busa berbasis gambir, tanin yang terdapat pada gambir berfungsi sebagai isolasi materi yang terjadi karena polikondensasi dari poliflavonoid tanin dengan bahan tambahan lainnya. Penelitian ini bertujuan untuk memanfaatkan gambir dalam pembuatan busa dan mengetahui sifat fisik busa yang dihasilkan. Penelitian dilakukan dengan tahap awal ekstraksi gambir menggunakan etanol. Perlakuan penelitian adalah pemakaian ekstrak gambir 14%, 24%, dan 34%. Hasil penelitian menunjukkan bahwa busa yang dihasilkan dari pemakaian ekstrak gambir 24% memiliki nilai densiti 0,34 g/cm 3 , pH 6,83, kuat tekan 0,14 kg/cm 2 , konduktivitas termal 5,52 W/m o C, dan busa dapat digolongan sebagai busa semi fleksibel.
由甘比尔提取物制成的单宁含有羟基,因此可以修饰合成聚合物。甘比尔提取物单宁含量高,含有多黄酮类化合物和其他添加剂。这使得它可以通过缩聚改性,制成聚合物泡沫,可以用作热和声音的绝缘体,重金属污染物的吸收剂和保护性包装。本研究探讨了甘比尔在泡沫制造中的应用,并测定了所生产泡沫的物理性能。本研究使用乙醇从植物叶片中提取甘比尔提取物,以14%、24%和34%的重量比例制作不同的泡沫样品。含24%甘比尔提取物的泡沫质量最佳,密度值为0.34 g/cm3, pH值为6.83,抗压强度为0.14 kg/cm2,导热系数为5.52 W/moC,为半柔性泡沫。摘要:Salah satu senyawa kelompok OH yang dapat dimodifikasi untuk tutuk turjuan sinis聚合物adalah tanin dari ekstrak gambir。Ekstrak gambir dengan kandungan tanin tinggi dapat dimodifikasi untuk pembuatan busa yang dapat digunakan sebagai bahan隔离器panas, suara, danpenyerap logam serta untuk pengemasan。巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木、巴旦木。Penelitian ini bertujuan untuk manfaatkan gambir dalam pembuatan busa dan mengetahui, fisik busa yang dihasilkan。Penelitian dilakakan dengan tahap awalakakis gambir menggunakan etol。Perlakuan penelitian adalah pemakaian ekstrak gambir 14%, 24%, dan 34%。Hasil penelitian menunjukkan bahwa busa yang dihasilkan dari pemakaian ekstrak gambir 24% memiliki nilai密度0,34 g/ cm3, pH 6,83, kuat tekan 0,14 kg/ cm2, konduktivitas termal 5,52 W/ cm3, dan busa dapat digolongan sebagai busa semi fleksibel。
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Pub Date : 2018-12-28DOI: 10.24960/jli.v8i2.4324.77-82
F. Failisnur, S. Sofyan, S. Silfia, Salmariza Sy, A. Ardinal
Biomordan merupakan mordan alam yang berfungsi untuk meningkatkan afinitas zat warna terhadap serat dan membangkitkan warna dalam proses pencelupan. Pemanfaatan gambir sebagai biomordan adalah salah satu terobosan baru dalam pemanfaatan komoditi potensi lokal yang dapat menghasilkan kain berwarna yang ramah lingkungan. Penelitian dilakukan dengan membandingkan antara proses pewarnaan tanpa menggunakan mordan, pemakaian biomordan gambir pada konsentrasi 5, 10, dan 15%, serta pemakaian biomordan gambir yang dikombinasikan dengan mordan kimia CaO. Hasil penelitian menunjukkan terdapat komponen fenol pada ekstrak limbah kulit jengkol yang dapat memberikan warna pada kain viskos. Hasil pewarnaan meggunakan biomordan gambir dapat meningkatkan nilai intensitas warna. Sifat ketahanan luntur warna terhadap pencucian 40⁰C meningkat dari 3 (cukup) dan 4 (baik) menjadi 4-5 (baik sampai sangat baik) serta terhadap pengaruh cahaya dari 3-4 (cukup sampai baik) menjadi 4 (baik). Abstract The biomordant is a natural mordant that functions to increase the affinity of dyes to the fiber and generate color in the dyeing process. The use of gambier as a biomordant is one of inovation in the utilization of local potential commodities that can produce eco-friendly coloring fabrics. The study was conducted by comparing the dyeing process without using mordant, the use of biomordant gambier at a concentration of 5, 10, and 15%, as well as the use of biomordant gambier was combined with CaO chemical mordant. The results showed that there were phenol components in the extract of dogfruit pod waste which could give color to the viscous fabric. The coloring results using gambier biomordant could increase the color intensity value. The color fastness characteristics of washing 40 o C increased from 3 (fairly good) and 4 (good) to 4-5 (good to very good) and to the fastness of light raised from 3-4 (fairly good to good) to 4 (good).
{"title":"Biomordan gambir pada pewarnaan kain viskos menggunakan ekstrak pewarna dari limbah kulit jengkol (Archidendron jiringa)","authors":"F. Failisnur, S. Sofyan, S. Silfia, Salmariza Sy, A. Ardinal","doi":"10.24960/jli.v8i2.4324.77-82","DOIUrl":"https://doi.org/10.24960/jli.v8i2.4324.77-82","url":null,"abstract":"Biomordan merupakan mordan alam yang berfungsi untuk meningkatkan afinitas zat warna terhadap serat dan membangkitkan warna dalam proses pencelupan. Pemanfaatan gambir sebagai biomordan adalah salah satu terobosan baru dalam pemanfaatan komoditi potensi lokal yang dapat menghasilkan kain berwarna yang ramah lingkungan. Penelitian dilakukan dengan membandingkan antara proses pewarnaan tanpa menggunakan mordan, pemakaian biomordan gambir pada konsentrasi 5, 10, dan 15%, serta pemakaian biomordan gambir yang dikombinasikan dengan mordan kimia CaO. Hasil penelitian menunjukkan terdapat komponen fenol pada ekstrak limbah kulit jengkol yang dapat memberikan warna pada kain viskos. Hasil pewarnaan meggunakan biomordan gambir dapat meningkatkan nilai intensitas warna. Sifat ketahanan luntur warna terhadap pencucian 40⁰C meningkat dari 3 (cukup) dan 4 (baik) menjadi 4-5 (baik sampai sangat baik) serta terhadap pengaruh cahaya dari 3-4 (cukup sampai baik) menjadi 4 (baik). Abstract The biomordant is a natural mordant that functions to increase the affinity of dyes to the fiber and generate color in the dyeing process. The use of gambier as a biomordant is one of inovation in the utilization of local potential commodities that can produce eco-friendly coloring fabrics. The study was conducted by comparing the dyeing process without using mordant, the use of biomordant gambier at a concentration of 5, 10, and 15%, as well as the use of biomordant gambier was combined with CaO chemical mordant. The results showed that there were phenol components in the extract of dogfruit pod waste which could give color to the viscous fabric. The coloring results using gambier biomordant could increase the color intensity value. The color fastness characteristics of washing 40 o C increased from 3 (fairly good) and 4 (good) to 4-5 (good to very good) and to the fastness of light raised from 3-4 (fairly good to good) to 4 (good).","PeriodicalId":31936,"journal":{"name":"JLI Jurnal Litbang Industri","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87870305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-06-28DOI: 10.24960/JLI.V8I1.3720.11-16
I. Machdar, Cut Faradillasari, Nurul Atika Khair, T. Asnawi, A. Y. Bc, Y. Yunardi
The present study reports the performance of magnetic activated carbon impregnated with Fe 2+ and Fe 3+ on the removal of dye from a simulated wastewater. The magnetic activated carbon (MAC) as a magnetic absorbent was prepared by co-precipitation method and followed by impregnation process. The activated carbon (AC) was supplied from a local commercial activated carbon coconut shell powder. The objective of this study was to investigate the effects of Fe 2+ and Fe 3+ on the quality product of MAC for dye (methylene blue) adsorption. The molar ratios of Fe 2+ and Fe 3+ used during the preparation of the MAC were 1:1; 1:2, and 2:1. The MAC products were characterized by using scanning electron microscope (SEM), energy dispersive X-ray (EDX), and Fourier transform infrared spectroscopy (FT-IR) analysis techniques. The results confirmed that the concentration of magnetic particles (Fe 3 O 4 ) on the MAC surface increased following the impregnation process. However, this results lowering adsorption properties of the MAC adsorbents, which subsequently affected the dye removal performance. The ratio of Fe 2+ :Fe 3+ on the MAC preparation did not significantly change the MAC absorbent on the dye removal efficiency. Additionally, MAC derived from local AC possess a prospect as a sustainable alternative for dye pollutant adsorbent. Abstrak Penelitian ini melaporkan kinerja karbon aktif bersifat magnet yang di impregnasi dengan Fe 2+ dan Fe 3+ dalam penyerapan zat warna dari air limbah buatan. Karbon aktif bersifat magnet (MAC) dibuat melalui metode co-presipitasi dan diikuti dengan proses impregnasi. Material karbon aktif (AC) dibuat dari tempurung kelapa yang diperoleh dari pasar lokal. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh ratio dari Fe 2+ and Fe 3+ terhadap kualitas produk MAC yang digunakan nantinya di dalam proses penyerapan zat warna (metilen biru). Rasio molar dari Fe 2+ and Fe 3+ yang digunakan di dalam penelitian ini untuk menghasilkan MAC adalah 1:1; 1:2, dan 2:1. Produk MAC yang dihasilkan dipelajari karakteristiknya melalui scanning electron microscope (SEM), energy dispersive X-ray (EDX), dan Fourier transform infrared spectroscopy (FT-IR). Dari hasil penelitian yang diperoleh dapat dikonfirmasi bahwa konsentrasi partikel-partikel magnet (Fe 3 O 4 ) pada permukaan MAC meningkat setelah proses impregnasi. Walaupun demikian, hal ini menyebabkan turunnya kemampuan adsorbsi dari adsorben MAC. Perbandingan rasio Fe 2+ and Fe 3+ tidak secara nyata mempengaruhi efisiensi penyerapan zat warna. Adsorben MAC dari karbon aktif lokal memiliki potensi sebagai bahan alternatif ramah lingkungan untuk penyerap zat warna.
研究了Fe - 2+和Fe - 3+浸渍磁性活性炭对模拟废水中染料的去除效果。采用共沉淀法和浸渍法制备磁性活性炭(MAC)作为磁性吸附剂。活性炭(AC)由当地一种商用活性炭椰壳粉提供。本研究的目的是研究fe2 +和fe3 +对染料(亚甲基蓝)吸附MAC质量产物的影响。制备MAC时使用的fe2 +和fe3 +的摩尔比为1:1;1:2和2:1。采用扫描电镜(SEM)、能量色散x射线(EDX)和傅里叶变换红外光谱(FT-IR)分析技术对MAC产品进行了表征。结果表明,浸渍过程使MAC表面的磁性颗粒(fe3o4)浓度增加。然而,这降低了MAC吸附剂的吸附性能,从而影响了染料的去除性能。MAC上fe2 +: fe3 +的比例对MAC吸附剂的脱色效率没有显著影响。此外,从当地AC中提取的MAC具有作为染料污染物吸附剂的可持续替代品的前景。[摘要]Penelitian ini melaporkan kinerja碳基复合磁体(carbon - aktif) yang di浸染剂(dengan fe2 + dan fe3 + dalam penerapapan);碳基硅磁体(MAC)的分布,三聚氰胺方法,共同主席和diikuti登干工艺浸渍。材料碳源(AC) dibuat dari tempurung kelapa yang diperoleh dari pasar local。Tujuan dari penelitian ini adalah untuk mengetahui pengaruh ratio dari fe2 +和fe3 + terhadap kualitas产品MAC yang digunakan nantinya di dalam处理penyerapan zat warna (metilen biru)。Rasio磨料中fe2 +和fe3 + digunakan di dalam penelitian ini untuk menghasilkan MAC adalah 1:1;1:2,但2:1。产品:扫描电子显微镜(SEM)、能量色散x射线(EDX)、傅立叶变换红外光谱(FT-IR)。Dari hasil penelitian yang diperoleh dapat dikonfirmasi bahwa konsentrasi粒子-粒子磁体(fe3o4) pada permukaan MAC meningkat setelah proses impregnasi。Walaupun demikian, hal ini menyebabkan turunnya kemampuan bsi dari对MAC的吸附。perbandingandrasingfe2 +和fe3 +的吸附是一种特殊的材料,它可以用来吸附金属。吸附MAC达碳对局部记忆电位的影响,替代ramah lingkungan untuk penyerap zawna。
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Pub Date : 2018-06-28DOI: 10.24960/JLI.V8I1.3844.23-30
R. H. B. Setiarto, Nunuk Widhyastuti, Nandani Dwi Octavia, H. C. Himawan
Probiotic beverages can be used as antihipercholesterolemia therapy. One potential ingredient for probiotic drinks is papaya (Carica papaya) which can be fermented using lactic acid bacteria. The aim of this research is to get the right mixture of lactic acid bacteria culture formula to produce probiotic papaya juice which can decrease total cholesterol level in white rats (Rattus norvegicus) of Sprague Dawley strain. The papaya juice is fermented using a mixed culture formulation of different lactic acid bacteria, comprising A (Lactobacillus bulgaricus: Lactobacillus acidophilus: Streptococcus thermophilus); B (Lactobacillus plantarum: Lactobacillus acidophilus: Streptococcus thermophilus); C (Lactobacillus casei: Lactobacillus acidophilus: Streptococcus thermophilus). The results showed that the best formula of probiotic papaya juice mixed using A mixture culture based on pH parameter, total lactic acid and total lactic acid bacteria. After the total cholesterol test, the results obtained that probiotic papaya juice beverage can reduce total cholesterol levels with a decrease percentage of 17.51%. Probiotic papaya juice beverage can be applied to antihipercholesterolemia therapy in humans at doses of 55.56 ml each day. Abstrak Minuman probiotik dapat digunakan sebagai terapi antihiperkolesterolemia. Salah satu bahan potensial untuk minuman probiotik yaitu pepaya ( Carica papaya ) yang dapat difermentasi menggunakan bakteri asam laktat. Tujuan penelitian ini adalah memperoleh formula kultur campuran bakteri asam laktat yang tepat untuk memproduksi minuman sari pepaya probiotik yang mampu menurunkan kadar kolesterol total pada tikus putih ( Rattus norvegicus ) jantan galur Sprague Dawley. Sari pepaya difermentasi menggunakan formulasi kultur campuran bakteri asam laktat yang berbeda, terdiri dari A ( Lactobacillus bulgaricus: Lactobacillus acidophilus: Streptococcus thermophilus ); B ( Lactobacillus plantarum: Lactobacillus acidophilus: Streptococcus thermophilus ); C ( Lactobacillus casei: Lactobacillus acidophilus: Streptococcus thermophilus ). Hasil penelitian menunjukkan bahwa formula terbaik minuman sari pepaya probiotik menggunakan kultur campuran A berdasarkan parameter pH, total asam laktat dan total bakteri asam laktat. Setelah dilakukan uji kolesterol total, maka didapatkan hasil bahwa minuman sari pepaya probiotik dapat menurunkan kadar kolesterol total dengan persentase penurunan sebesar 17,51%. Minuman sari pepaya probiotik dapat diaplikasikan untuk terapi antihiperkolesterolemia pada manusia dengan dosis sebesar 55,56 ml per hari.
益生菌饮料可用于抗高胆固醇血症的治疗。益生菌饮料的一个潜在成分是木瓜(Carica papaya),它可以用乳酸菌发酵。本研究的目的是获得合适的乳酸菌培养配方,以生产能降低褐家鼠(Rattus norvegicus) Sprague Dawley菌株总胆固醇水平的益生菌木瓜汁。所述木瓜汁使用不同乳酸菌的混合培养配方发酵,所述乳酸菌包括a(保加利亚乳杆菌:嗜酸乳杆菌:嗜热链球菌);B(植物乳杆菌、嗜酸乳杆菌、嗜热链球菌);C(干酪乳杆菌、嗜酸乳杆菌、嗜热链球菌)。结果表明,以pH参数、乳酸总量和乳酸菌总量为指标,A型混合培养木瓜益生菌汁的最佳配方。总胆固醇测试结果表明,益生菌木瓜汁饮料可降低总胆固醇水平,降低率为17.51%。益生菌木瓜果汁饮料可用于抗高胆固醇血症的治疗,剂量为每天55.56毫升。【摘要】微益生菌抗高胆固醇血症。Salah satu bahan潜在的人类益生菌yyitu pepaya (Carica papaya) yang dapat的分化与孟古纳肯bakteri asam laktat。褐家鼠(Rattus norvegicus)总褐家鼠(jantan galur Sprague Dawley)配方栽培、campuran bakteri、asam laktat、campuran bakteri、minuman、sari、pepaya、益生菌、yang mampu、menurunkan、kadar、胆固醇。保加利亚乳杆菌:嗜酸乳杆菌;嗜热链球菌;保加利亚乳杆菌;B(植物乳杆菌、嗜酸乳杆菌、嗜热链球菌);C(干酪乳杆菌、嗜酸乳杆菌、嗜热链球菌)。Hasil penelitian menunjukkan bahwa配方terbaik minuman sari pepaya mongunakan培养菌campuran berdasarkan参数pH、总阿萨姆拉达克和总阿萨姆拉达克。Setelah dilakukan uji胆固醇总量,maka didapatkan hasil bahwa minuman sari pepaya probiotik dapat menurunkan kadar胆固醇总量和代表酶penurunan sebesar 17.51%。米诺米沙利菌制剂,抗高胆固醇血症,糖尿病邓根剂量为55,56 ml / hari。
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Pub Date : 2018-06-28DOI: 10.24960/JLI.V8I1.3886.31-38
S. Silfia, F. Failisnur, S. Sofyan
Gambier is one of natural materials that can be used as raw material for ink production. This study aims to see how far the influence of NaOH and Al 2 (SO 4 ) 3 to the functional groups, distribution, and particles size of stamped ink from gambier. The research on the manufacture of stamp ink from gambier with the compound of NaOH and Al 2 (SO 4 ) 3 compounds was carried out in two stages. The first stage is the preparation of gambier extract by dissolving the raw gambier with water solvent, drying, powder extraction with alcohol solvent. The second stage is formulation the NaOH complexing (35%, 30%, 25%, 20%, 15%) and Al 2 (SO 4 ) 3 (35%, 30%, 25%, 20%, 15%) for every 35% gambier extract in ethanol. Analysis of stamp inks is the determination of functional groups, distribution and particle size. The results showed that the best stamped ink was found with 15% NaOH complexing compound, because the values of particle size and polydispersity index (pdi) were the lowest from all treatments, as a result the ink obtained did not clot. Abstrak Gambir merupakan salah satu bahan alam yang dapat digunakan sebagai bahan baku pembuatan tinta. Penelitian ini bertujuan untuk melihat sejauh mana pengaruh NaOH dan Al 2 (SO 4 ) 3 terhadap gugus fungsi, distribusi, dan ukuran partikel tinta stempel dari gambir. Penelitian pembuatan tinta stempel dari gambir dengan senyawa pengomplek NaOH dan Al 2 (SO 4 ) 3 dilakukan dengan dua tahap. Tahap pertama pembuatan ekstrak gambir melalui pelarutan gambir asalan dengan pelarut air, pengeringan, ekstraksi bubuk dengan pelarut alkohol. Tahap ke dua memformulasikan pengomplek NaOH (35%, 30%, 25%, 20%, 15%) dan Al 2 (SO 4 ) 3 (35%, 30%, 25%, 20%, 15%) untuk setiap 35% ekstrak gambir dalam etanol. Analisis terhadap tinta stempel adalah penentuan gugus fungsi, distribusi dan ukuran partikel. Hasil penelitian menunjukkan bahwa tinta stempel dengan pengomplek 15% NaOH yang terbaik, karena nilai ukuran partikel dan polydispersity index (pdi) paling rendah dari semua perlakuan, sehingga tinta yang didapatkan tidak menggumpal.
甘比尔是一种可以作为油墨生产原料的天然材料。本研究旨在了解NaOH和al2 (so4) 3对gambier印花油墨的官能团、分布和粒径的影响程度。采用NaOH和al2 (so4) 3化合物为原料,分两个阶段进行了制备邮票油墨的研究。第一阶段是原料甘比尔用水溶剂溶解,干燥,用酒精溶剂提取粉末,制备甘比尔提取物。第二阶段是在乙醇中配制每35%甘比尔提取物的NaOH络合(35%,30%,25%,20%,15%)和al2 (so4) 3(35%, 30%, 25%, 20%, 15%)。邮票油墨的分析是测定官能团、分布和粒度。结果表明,当NaOH络合物用量为15%时,印花油墨的粒径和多分散性指数(pdi)值在所有处理中最低,得到的印花油墨不会凝结。[摘要][摘要]甘比尔·梅鲁帕坎·萨图·巴坎·阿坎·杨·帕帕特·迪古纳坎·巴坎·巴坎·巴坎·蓬布阿坎·丁塔。Penelitian ini bertujuan untuk melihat sejauh mana pengaruh NaOH dan Al 2 (so4) 3 terhadap gugus fungi, distribution, danukuran partikel tinta stempel dari gambir。Penelitian penbuatan tinta stempel dari gambir dengan senyawa pengomplek NaOH dan Al 2 (so4) 3 dilakukan dengan dua tahap。Tahap pertama pembuatan ekstrak gambir melalui pelarutan gambir asalan dengan pelarut air, pengeringan, ekstraksi bubuk dengan pelarut酒精。Tahap将NaOH(35%, 30%, 25%, 20%, 15%)和al2 (so4) 3(35%, 30%, 25%, 20%, 15%)与乙醇(35%,30%,25%,20%,15%)结合使用。对茎柱、五味子、真菌、分布菌和颗粒进行了分析。Hasil penelitian menunjukkan bahwa tinta stempel dengan pengomplek 15% NaOH yang terbaik, karena nilai ukuran粒子多分散指数(pdi) paling rendah dari semua perlakuan, sehinga tinta yang didapatkan tidak menggumpal。
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