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Volume 17 Issue 1
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Article Navigation >  Journal of Pharmaceutical Practice and Service  > 1999  >  (1): 31-33

XIAO Wen-zhong, ZHAN Li-zhi, ZHANG Mei-yi, LIN Yan-fang. Determination of dihydroartemisinin of compound dihydroartemisinin tablets by tri-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2003, (2): 92-94.
Citation: Fang Hongzhuang, Lei Lili, Liu Xingbao. Determination of phenacetin and caffeine in compound acetylsalicylic acid tablets by multiple regression spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 1999, (1): 31-33.
shu

Determination of phenacetin and caffeine in compound acetylsalicylic acid tablets by multiple regression spectrophotometry

  • 1.

    Department of Pharmacy, Jiamusi Medical College, Jiamusi 154003

  • 2.

  • Received Date: 1998-07-07
  • OBJECTIVE To determine phenacetin and caffeine in compound acetylsalicylic acid tablets. METHODS Multiple regression spectrophotometry was adopted as follow:The sample is dissolved in ethanol,add solution of 02mol/L NaOH to hydrolysis acetylsalicylic acid,the components are determined in phosphate salt buffet (pH 6.5). RESULTS The average recoveries for phenacetin and caffeine were 99.8% and 99.9%,with RSD 0.72% and 0.52%,respectively. CONCLUSION Accuracy of the method was compared with official quantitative analysis and no significant difference was found.
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    Created with Highcharts 5.0.7Chart context menuAccess Class DistributionFULLTEXT: 80.8 %FULLTEXT: 80.8 %META: 17.6 %META: 17.6 %PDF: 1.6 %PDF: 1.6 %FULLTEXTMETAPDFHighcharts.com
    Created with Highcharts 5.0.7Chart context menuAccess Area Distribution其他: 15.3 %其他: 15.3 %China: 0.9 %China: 0.9 %[]: 0.7 %[]: 0.7 %上海: 3.9 %上海: 3.9 %北京: 16.7 %北京: 16.7 %基辅: 0.2 %基辅: 0.2 %广州: 0.5 %广州: 0.5 %成都: 0.7 %成都: 0.7 %抚顺: 0.2 %抚顺: 0.2 %杭州: 0.2 %杭州: 0.2 %松原: 0.2 %松原: 0.2 %沈阳: 0.5 %沈阳: 0.5 %济宁: 0.5 %济宁: 0.5 %湖州: 0.2 %湖州: 0.2 %特伦甘纳邦: 0.5 %特伦甘纳邦: 0.5 %罗奥尔凯埃: 0.2 %罗奥尔凯埃: 0.2 %芒廷维尤: 20.8 %芒廷维尤: 20.8 %西宁: 35.9 %西宁: 35.9 %西安: 0.2 %西安: 0.2 %郑州: 0.9 %郑州: 0.9 %雪兰莪: 0.5 %雪兰莪: 0.5 %马尼拉: 0.2 %马尼拉: 0.2 %其他China[]上海北京基辅广州成都抚顺杭州松原沈阳济宁湖州特伦甘纳邦罗奥尔凯埃芒廷维尤西宁西安郑州雪兰莪马尼拉Highcharts.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Determination of phenacetin and caffeine in compound acetylsalicylic acid tablets by multiple regression spectrophotometry

  • 1. Department of Pharmacy, Jiamusi Medical College, Jiamusi 154003
  • 2. 
  • Received Date: 1998-07-07

Abstract: OBJECTIVE To determine phenacetin and caffeine in compound acetylsalicylic acid tablets. METHODS Multiple regression spectrophotometry was adopted as follow:The sample is dissolved in ethanol,add solution of 02mol/L NaOH to hydrolysis acetylsalicylic acid,the components are determined in phosphate salt buffet (pH 6.5). RESULTS The average recoveries for phenacetin and caffeine were 99.8% and 99.9%,with RSD 0.72% and 0.52%,respectively. CONCLUSION Accuracy of the method was compared with official quantitative analysis and no significant difference was found.

XIAO Wen-zhong, ZHAN Li-zhi, ZHANG Mei-yi, LIN Yan-fang. Determination of dihydroartemisinin of compound dihydroartemisinin tablets by tri-wavelength spectrophotosmetry[J]. Journal of Pharmaceutical Practice and Service, 2003, (2): 92-94.
Citation: Fang Hongzhuang, Lei Lili, Liu Xingbao. Determination of phenacetin and caffeine in compound acetylsalicylic acid tablets by multiple regression spectrophotometry[J]. Journal of Pharmaceutical Practice and Service, 1999, (1): 31-33.
shu

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