Research on solubility from organic pigments of turmeric (Curcuma longa Linn) and telang flower (Clitoria ternatea L.) in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol has been studied. The purpose of this research was the preparation of water-in-oil microemulsion gelation, determines solubility, density, and bias index of organic pigments in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol. The method used is the sol-gel method. The solubility in water-in-oil microemulsion gelation of turmeric is 2,41832% (pH 4,5) and 2,61402% (pH 9,5) and telang flower is 1,21274% (pH 4,5) and 1,6136% (pH 9,5). The bias index of turmeric is 1,4024 (pH 4.5) and 1,4034 (pH 9,5) and telang flower is 1,4004 (pH air 4,5) and 1,4014 (pH 9,5).The density of turmeric is 0,88778g/cm3 (pH 4,5) and 0,88912g/cm3 (pH 9,5) and telang flower is 0,8793g/cm3 (pH 4,5) and 0,8872g/cm3 (pH 9,5).
{"title":"Kelarutan Zat Warna Organik dalam Gelasi Mikroemulsi Water In Oil dari Sistem Air, Surfaktan Nonionik (Brij 35) dan Pentanol","authors":"Hanny Sri Asih, Ananda Putra","doi":"10.24036/p.v11i1.113408","DOIUrl":"https://doi.org/10.24036/p.v11i1.113408","url":null,"abstract":"Research on solubility from organic pigments of turmeric (Curcuma longa Linn) and telang flower (Clitoria ternatea L.) in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol has been studied. The purpose of this research was the preparation of water-in-oil microemulsion gelation, determines solubility, density, and bias index of organic pigments in water-in-oil microemulsion gelation on system of water, nonionic surfactant (Brij 35) and pentanol. The method used is the sol-gel method. The solubility in water-in-oil microemulsion gelation of turmeric is 2,41832% (pH 4,5) and 2,61402% (pH 9,5) and telang flower is 1,21274% (pH 4,5) and 1,6136% (pH 9,5). The bias index of turmeric is 1,4024 (pH 4.5) and 1,4034 (pH 9,5) and telang flower is 1,4004 (pH air 4,5) and 1,4014 (pH 9,5).The density of turmeric is 0,88778g/cm3 (pH 4,5) and 0,88912g/cm3 (pH 9,5) and telang flower is 0,8793g/cm3 (pH 4,5) and 0,8872g/cm3 (pH 9,5).","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131080289","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}
Rahma Sari, Hary Sanjaya, Yohandri Yohandri, A. Amran, Ananda Putra
– the photosonolysis method was used for the degradation of methyl violet in the sample solution using a ZnO doping Ag catalyst. This study aims to determine the effect of radiation time and the addition of Ag doping on ZnO catalyst on the degradation of Methyl violet. UV-Vis spectrophotometer was used to calculate the absorbance concentration of methyl violet before and after degradation while UV-DRS was used to measure the band gap value. The results showed that the highest percentage of Methyl violet degradation was 93.51% at 120 minutes using ZnO without doping. The highest degradation of methyl violet was at 90.50% using a 10% ZnO/Ag catalyst. the band gap obtained from the measurement of ZnO/Ag is 3.26%.
{"title":"Degradasi Zat Warna Methyl Violet dengan Katalis ZnO/Ag Menggunakan Metode Fotosonolisis","authors":"Rahma Sari, Hary Sanjaya, Yohandri Yohandri, A. Amran, Ananda Putra","doi":"10.24036/p.v11i1.113261","DOIUrl":"https://doi.org/10.24036/p.v11i1.113261","url":null,"abstract":"– the photosonolysis method was used for the degradation of methyl violet in the sample solution using a ZnO doping Ag catalyst. This study aims to determine the effect of radiation time and the addition of Ag doping on ZnO catalyst on the degradation of Methyl violet. UV-Vis spectrophotometer was used to calculate the absorbance concentration of methyl violet before and after degradation while UV-DRS was used to measure the band gap value. The results showed that the highest percentage of Methyl violet degradation was 93.51% at 120 minutes using ZnO without doping. The highest degradation of methyl violet was at 90.50% using a 10% ZnO/Ag catalyst. the band gap obtained from the measurement of ZnO/Ag is 3.26%.","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124938572","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}
— Activated carbon from coconut husk has been prepared by using microwave assisted activation. Carbonization was conducted at mild condition of 250ºC for 105 minutes heating time. Optimum activated carbon is obtained by using microwave assisted activation at 300 watts of iradiation for 4 minutes contact time with iodine number is 779,7604 mg/g. Characterization of activated carbon using FTIR and proximate analysis (water content, vaporcontent, ash content, bound carbon content and iod absorption). Adsorption test showed that the prepared activated carbon was able to absorp Rhodamin B at the optimum concentration of 200 mg/L. Adsorption isoterm study conducted by Langmuir equation with a regression coefficient R 2 = 0,9640 with a maximum absorption capacity of 2,923 mg/g. FTIR characterization showed that the activated carbon contains a fungsional groups O-H at wave numbers 3600-3200 cm -1 , C=C at wave numbers 1500-1650 cm -1 , and C-O at wave numbers 1300-900 cm -1 .
用微波辅助活化法制备了椰壳活性炭。炭化在250℃温和条件下进行，加热时间105分钟。采用微波辅助活化法，在300瓦辐照下，接触时间为4分钟，碘值为779、7604 mg/g，得到最佳活性炭。活性炭的表征使用FTIR和近似分析(含水量，汽分，灰分含量，结合碳含量和碘吸收)。吸附试验表明，所制备的活性炭在最佳浓度为200 mg/L时能够吸附罗丹明B。采用Langmuir方程进行吸附等项研究，回归系数r2 = 0.9640，最大吸附量为2923 mg/g。FTIR表征表明，活性炭在波数3600 ~ 3200 cm -1处含有O-H基团，在波数1500 ~ 1650 cm -1处含C=C基团，在波数1300 ~ 900 cm -1处含C- o基团。
{"title":"Preparasi Karbon Aktif dari Sabut Kelapa dengan Aktivator Gelombang Mikro untuk Adsorpsi Rhodamin B","authors":"Nahdatul Aulia, M. Khair","doi":"10.24036/p.v11i1.113364","DOIUrl":"https://doi.org/10.24036/p.v11i1.113364","url":null,"abstract":"— Activated carbon from coconut husk has been prepared by using microwave assisted activation. Carbonization was conducted at mild condition of 250ºC for 105 minutes heating time. Optimum activated carbon is obtained by using microwave assisted activation at 300 watts of iradiation for 4 minutes contact time with iodine number is 779,7604 mg/g. Characterization of activated carbon using FTIR and proximate analysis (water content, vaporcontent, ash content, bound carbon content and iod absorption). Adsorption test showed that the prepared activated carbon was able to absorp Rhodamin B at the optimum concentration of 200 mg/L. Adsorption isoterm study conducted by Langmuir equation with a regression coefficient R 2 = 0,9640 with a maximum absorption capacity of 2,923 mg/g. FTIR characterization showed that the activated carbon contains a fungsional groups O-H at wave numbers 3600-3200 cm -1 , C=C at wave numbers 1500-1650 cm -1 , and C-O at wave numbers 1300-900 cm -1 .","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128341795","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}
{"title":"Pembuatan Plastik Biodegradable dari Limbah Cair Pengolahan Singkong dengan Penambahan Propilen Glikol sebagai Plasticizer","authors":"I. Putri, S. Etika","doi":"10.24036/p.v11i1.113334","DOIUrl":"https://doi.org/10.24036/p.v11i1.113334","url":null,"abstract":"","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124497282","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}
— Research on the utilization of sweet potato starch ( Ipomoea batatas L) as a raw material for making plastics biodegradable with the addition of plasticizer glycerol has been successfully carried out. The purpose of this study was to determine the effect of adding plasticizer glycerol to the mechanical, physical, biodegradable and structural properties of plastic biodegradable from sweet potato starch. This research is an experimental study by varying the amount of glycerol as much as 0 mL, 0,2 mL, 0,4 mL, 0,6 mL, 0,8 mL, and 1 mL. The process of making plastic is carried out at a temperature of 70 o C for 15 minutes. The results show that the more glycerol added, the greater the percentage value of water content and the ability of the plastic to be degraded. Plastic Biodegradable with the addition of 1 mL of glycerol has the ability to degrade faster for 6 days with a mass loss percentage of 83,812%. The maximum tensile strength was obtained from the addition of 0,4 mL of glycerol of 8,91 Mpa. The FTIR spectra showed almost the same peaks between plastics without the addition of glycerol and with the addition of glycerol, the functional groups contained in the plastics included O-H, C-O, N-H, and C-H.
——利用甘薯淀粉(Ipomoea batatas L)作为原料，在添加增塑剂甘油的情况下，成功地进行了塑料生物降解的研究。研究了增塑剂甘油的添加对甘薯淀粉生物降解塑料的力学、物理、生物降解和结构性能的影响。本研究是一项实验研究，通过改变甘油的量多达0毫升、0、2毫升、0、4毫升、0、6毫升、0、8毫升和1毫升。制造塑料的过程在70℃的温度下进行15分钟。结果表明，甘油添加量越多，塑料的含水率百分比值越大，降解能力越强。添加1ml甘油的可生物降解塑料，降解速度较快，6天的质量损失率为83812%。当添加0.04 mL 8,91 Mpa的甘油时，获得最大拉伸强度。在未添加甘油的情况下，塑料的FTIR光谱显示出几乎相同的峰，而添加甘油后，塑料中含有的官能团包括O-H、C-O、N-H和C-H。
{"title":"Pemanfaatan Pati Ubi Jalar (Ipomoea batatas L.) Sebagai Bahan Baku Pembuatan Plastik Biodegradable dengan Penambahan Plasticizer Gliserol","authors":"Vinezia Sri Wahyuni, S. Etika","doi":"10.24036/p.v11i1.113295","DOIUrl":"https://doi.org/10.24036/p.v11i1.113295","url":null,"abstract":"— Research on the utilization of sweet potato starch ( Ipomoea batatas L) as a raw material for making plastics biodegradable with the addition of plasticizer glycerol has been successfully carried out. The purpose of this study was to determine the effect of adding plasticizer glycerol to the mechanical, physical, biodegradable and structural properties of plastic biodegradable from sweet potato starch. This research is an experimental study by varying the amount of glycerol as much as 0 mL, 0,2 mL, 0,4 mL, 0,6 mL, 0,8 mL, and 1 mL. The process of making plastic is carried out at a temperature of 70 o C for 15 minutes. The results show that the more glycerol added, the greater the percentage value of water content and the ability of the plastic to be degraded. Plastic Biodegradable with the addition of 1 mL of glycerol has the ability to degrade faster for 6 days with a mass loss percentage of 83,812%. The maximum tensile strength was obtained from the addition of 0,4 mL of glycerol of 8,91 Mpa. The FTIR spectra showed almost the same peaks between plastics without the addition of glycerol and with the addition of glycerol, the functional groups contained in the plastics included O-H, C-O, N-H, and C-H.","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125799042","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}
The concentration of metals in the water is generally very small, so it is difficult to determine by AAS. For this reason, before measuring with AAS, it is necessary to do pretreatment. One of the pretreatment that are commonly used to determine metal concentrations at low concentrations is coprecipitation, where this method is one of the pre-concentration methods. Preconcentration is a concentration technique used when the available sample has a very low concentration. There are several methods of preconcentration, one of which is the coprecipitation method. In this study, the coprecipitation method was used to analyze the metal content of Fe2+ in very small concentrations which would later be measured using an atomic absorption spectrophotometer. The purpose of this study was to determine the optimum conditions of coprecipitation of Fe2+ metal ions using Al(OH)3 as coprecipitant. The result obtained in this study were, the optimum conditions for Fe2+ metal ion coprecipitations occured at pH 9, Al3+ concentration 0,2 M, and the long deposition time occurred at 15 hours.
{"title":"Efektivitas Penggunaan Al(OH)3 Sebagai Coprecipitant Pada Analisa Besi (Fe2+)","authors":"Dela Gustika, Edi Nasra","doi":"10.24036/p.v11i1.113403","DOIUrl":"https://doi.org/10.24036/p.v11i1.113403","url":null,"abstract":"The concentration of metals in the water is generally very small, so it is difficult to determine by AAS. For this reason, before measuring with AAS, it is necessary to do pretreatment. One of the pretreatment that are commonly used to determine metal concentrations at low concentrations is coprecipitation, where this method is one of the pre-concentration methods. Preconcentration is a concentration technique used when the available sample has a very low concentration. There are several methods of preconcentration, one of which is the coprecipitation method. In this study, the coprecipitation method was used to analyze the metal content of Fe2+ in very small concentrations which would later be measured using an atomic absorption spectrophotometer. The purpose of this study was to determine the optimum conditions of coprecipitation of Fe2+ metal ions using Al(OH)3 as coprecipitant. The result obtained in this study were, the optimum conditions for Fe2+ metal ion coprecipitations occured at pH 9, Al3+ concentration 0,2 M, and the long deposition time occurred at 15 hours.","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126849527","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}
Metal ions Cr (VI) are a type of toxic heavy metal that can cause environmental pollution. Chromium limits exceeding 0.1 mg/L in the water will cause damage to ecosystems and living things within them. Adsorption using activated carbon durian shell was chosen as one of the most efficient methods. Used adsorbent activated carbon durian shell that aims to know the quality of activated carbon durian shell and determine the optimum condition of absorption and optimum capacity of absorption of metal ions Cr (VI). The reaction between orange chromium ions with the addition of H2SO4 and colorless diphenylcarbazide forms a purple solution complex. Maximum wavelength absorption is obtained at 542 nm. The results were obtained with the capacity of immersion in optimum conditions to the absorption of metal ions Cr (VI) at pH 2 and Concentration 360 mg/L with an absorption capacity of 40,3190 mg/g. The study of adsorption isoterm refers more to the freundlich equation approach with a regression coefficient value approaching 1 (R2= 0,9684).
{"title":"Pengaruh pH dan Konsentrasi Pada Penyerapan Ion Logam Cr(VI) Menggunakan Karbon Aktif Kulit Durian","authors":"Chairunnisa Chairunnisa, Edi Nasra","doi":"10.24036/p.v11i1.113470","DOIUrl":"https://doi.org/10.24036/p.v11i1.113470","url":null,"abstract":"Metal ions Cr (VI) are a type of toxic heavy metal that can cause environmental pollution. Chromium limits exceeding 0.1 mg/L in the water will cause damage to ecosystems and living things within them. Adsorption using activated carbon durian shell was chosen as one of the most efficient methods. Used adsorbent activated carbon durian shell that aims to know the quality of activated carbon durian shell and determine the optimum condition of absorption and optimum capacity of absorption of metal ions Cr (VI). The reaction between orange chromium ions with the addition of H2SO4 and colorless diphenylcarbazide forms a purple solution complex. Maximum wavelength absorption is obtained at 542 nm. The results were obtained with the capacity of immersion in optimum conditions to the absorption of metal ions Cr (VI) at pH 2 and Concentration 360 mg/L with an absorption capacity of 40,3190 mg/g. The study of adsorption isoterm refers more to the freundlich equation approach with a regression coefficient value approaching 1 (R2= 0,9684).","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114995754","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}
Satrio Prinandito, Desy Kurniawati, Alizar Alizar, Edi Nasra
— Pulp Industry produces phenol liquid wastes that pollute the environment. Phenol is a dangerous organic compound that has hight toxicity so that the presence of phenol in the environment will disrupt the surrounding ecosystem and have an impact on human health. To overcome the problem of environmental pollution, an adsorpstion method is used by utilizing longan skin as an adsorbent. Longan shell is used as an adsorben able to bind phenol in the environment because it has several active groups such as amines, hydroxyl, carbonyl
{"title":"Pengaruh Ukuran Partikel dan Kecepatan Pengadukan Terhadap Penyerapan Fenol Menggunakan Biosorben Kulit Kelengkeng (Dimocarpus longan Lour)","authors":"Satrio Prinandito, Desy Kurniawati, Alizar Alizar, Edi Nasra","doi":"10.24036/p.v11i1.113417","DOIUrl":"https://doi.org/10.24036/p.v11i1.113417","url":null,"abstract":"— Pulp Industry produces phenol liquid wastes that pollute the environment. Phenol is a dangerous organic compound that has hight toxicity so that the presence of phenol in the environment will disrupt the surrounding ecosystem and have an impact on human health. To overcome the problem of environmental pollution, an adsorpstion method is used by utilizing longan skin as an adsorbent. Longan shell is used as an adsorben able to bind phenol in the environment because it has several active groups such as amines, hydroxyl, carbonyl","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125542339","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}
Dye Sentized Solar Cell (DSSC) is a third generation solar cell that uses dyes to absorb photons from sunlight which will be converted into electrical energy. This research aims to produce a high efficiency of the dye used. The dye in DSSC must have a large number of double bonds to absorb photons because the more photons that are converted into electrical energy, the higher the resulting efficiency. Polymerization is one of the methods used to increase π bonding in dyes. Polimerization is the combination of several monomers. The monomer used in this research is tannin. Tanin are organic compounds that have double bonds.Tannin polymerization uses a crosslinked agent glutaraldehyde to produce polytannin which are used for staining in DSSC. The assembled DSSC will be tested for resistance and voltage using a digital multimeter. Dye will be characterized using FT-IR, the results of the FT-IR test are carried out to confirm the formation of polytannins which are characterized by the presence of metylene groups formed. The efficiency obtained is higher than that the of the unpolymerized tannin dye , which is 7,3% efficiency.
{"title":"Pengaruh Konsentrasi Inisiator terhadap Pembentukan Poli Tanin sebagai Zat Warna Pada Dye Sensitized Solar Cell (DSSC)","authors":"Widi Feronika, Hardeli Hardeli","doi":"10.24036/p.v11i1.113260","DOIUrl":"https://doi.org/10.24036/p.v11i1.113260","url":null,"abstract":"Dye Sentized Solar Cell (DSSC) is a third generation solar cell that uses dyes to absorb photons from sunlight which will be converted into electrical energy. This research aims to produce a high efficiency of the dye used. The dye in DSSC must have a large number of double bonds to absorb photons because the more photons that are converted into electrical energy, the higher the resulting efficiency. Polymerization is one of the methods used to increase π bonding in dyes. Polimerization is the combination of several monomers. The monomer used in this research is tannin. Tanin are organic compounds that have double bonds.Tannin polymerization uses a crosslinked agent glutaraldehyde to produce polytannin which are used for staining in DSSC. The assembled DSSC will be tested for resistance and voltage using a digital multimeter. Dye will be characterized using FT-IR, the results of the FT-IR test are carried out to confirm the formation of polytannins which are characterized by the presence of metylene groups formed. The efficiency obtained is higher than that the of the unpolymerized tannin dye , which is 7,3% efficiency.","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132474120","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}
Laura Dwi Rha Hayu, Edi Nasra, Minda Azhar, S. Etika
— Methylene blue is a basic dye that has cationic properties and used in the coloring industry. Adsorption using activated carbon from durian peel is proven to be able to absorb methylene blue . This study used the batch method which aims to determine the optimum conditions for absorption and maximum absorption of methylene blue using activated carbon from durian peel ( Durio zibethinus Murr .). The absorption stages were carried out by varying the pH (2, 3, 4, 5, and 6) and the concentration. (40, 80, 120, 160, 200, 240 and 280) mg/L. The results showed that the optimum conditions occurred at pH 5 and a concentration of 240 mg/L with an absorption capacity of 28.647 mg/g and an absorption percentage of 99.66%. Mechanism the absorption of methylene blue follows the equation Freundlich isotherm with a determinant coefficient (R 2 ) of 0,9874.
{"title":"Adsorpsi Zat Warna Methylene Blue Menggunakan Karbon Aktif dari Kulit Durian (Durio zibethinus Murr.)","authors":"Laura Dwi Rha Hayu, Edi Nasra, Minda Azhar, S. Etika","doi":"10.24036/p.v11i1.113349","DOIUrl":"https://doi.org/10.24036/p.v11i1.113349","url":null,"abstract":"— Methylene blue is a basic dye that has cationic properties and used in the coloring industry. Adsorption using activated carbon from durian peel is proven to be able to absorb methylene blue . This study used the batch method which aims to determine the optimum conditions for absorption and maximum absorption of methylene blue using activated carbon from durian peel ( Durio zibethinus Murr .). The absorption stages were carried out by varying the pH (2, 3, 4, 5, and 6) and the concentration. (40, 80, 120, 160, 200, 240 and 280) mg/L. The results showed that the optimum conditions occurred at pH 5 and a concentration of 240 mg/L with an absorption capacity of 28.647 mg/g and an absorption percentage of 99.66%. Mechanism the absorption of methylene blue follows the equation Freundlich isotherm with a determinant coefficient (R 2 ) of 0,9874.","PeriodicalId":213875,"journal":{"name":"Jurnal Periodic Jurusan Kimia UNP","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132304167","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}
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