{"title":"分光光度法测定制剂中双氯芬酸钠的含量","authors":"A.A. Matin , M.A. Farajzadeh , A. Jouyban","doi":"10.1016/j.farmac.2005.05.011","DOIUrl":null,"url":null,"abstract":"<div><p><span>A new, simple, rapid and accurate spectrophotometric method is proposed for determination of sodium diclofenac (SD) in pharmaceutical preparations based on its reaction with concentrated nitric acid (63% w/v). The reaction product is a yellowish compound with maximum absorbance at 380 nm. The corresponding calibration curve is linear over the range of 1–30 mg l</span><sup>−1</sup>, while the limit of detection is 0.46 mg l<sup>−1</sup>.</p></div>","PeriodicalId":77128,"journal":{"name":"Farmaco (Societa chimica italiana : 1989)","volume":"60 10","pages":"Pages 855-858"},"PeriodicalIF":0.0000,"publicationDate":"2005-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.farmac.2005.05.011","citationCount":"61","resultStr":"{\"title\":\"A simple spectrophotometric method for determination of sodium diclofenac in pharmaceutical formulations\",\"authors\":\"A.A. Matin , M.A. Farajzadeh , A. Jouyban\",\"doi\":\"10.1016/j.farmac.2005.05.011\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p><span>A new, simple, rapid and accurate spectrophotometric method is proposed for determination of sodium diclofenac (SD) in pharmaceutical preparations based on its reaction with concentrated nitric acid (63% w/v). The reaction product is a yellowish compound with maximum absorbance at 380 nm. The corresponding calibration curve is linear over the range of 1–30 mg l</span><sup>−1</sup>, while the limit of detection is 0.46 mg l<sup>−1</sup>.</p></div>\",\"PeriodicalId\":77128,\"journal\":{\"name\":\"Farmaco (Societa chimica italiana : 1989)\",\"volume\":\"60 10\",\"pages\":\"Pages 855-858\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.farmac.2005.05.011\",\"citationCount\":\"61\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Farmaco (Societa chimica italiana : 1989)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0014827X05001394\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Farmaco (Societa chimica italiana : 1989)","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0014827X05001394","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A simple spectrophotometric method for determination of sodium diclofenac in pharmaceutical formulations
A new, simple, rapid and accurate spectrophotometric method is proposed for determination of sodium diclofenac (SD) in pharmaceutical preparations based on its reaction with concentrated nitric acid (63% w/v). The reaction product is a yellowish compound with maximum absorbance at 380 nm. The corresponding calibration curve is linear over the range of 1–30 mg l−1, while the limit of detection is 0.46 mg l−1.
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