| 新银盐法测定化妆品中微量砷的研究 |
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| 引用本文： | 廖元遂.新银盐法测定化妆品中微量砷的研究[J].中国卫生检验杂志,1995,5(4):201-204. |
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| 作者姓名： | 廖元遂 |
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| 作者单位： | 肇庆市卫生防疫站 广东肇庆 |
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| 摘 要： | 本文以硝酸——硝酸银——聚乙烯醇——乙醇为砷化氢吸收显色剂测定化妆品中的微量砷,操作简便快速,灵敏度高,重现性好。摩尔吸光系数为二乙氨基二硫代甲酸银法(DDC—Ag法)的5.7倍。
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| 关 键 词： | 卫生检验 新银盐法 化妆品 砷 |
Study on Determiation of Microaraount of Arsenic in Cosmetics by a New Silver Salt Method |
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| Lian Yuansui,Zhaoqing City Sanitary and Antiepidemic Station.Study on Determiation of Microaraount of Arsenic in Cosmetics by a New Silver Salt Method[J].Chinses Journal of Health Laboratory Technology,1995,5(4):201-204. |
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| Authors: | Lian Yuansui Zhaoqing City Sanitary and Antiepidemic Station |
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| Abstract: | A new silver salt method is presented to determine mi-croamount arsenic in cosmetics,in which the generated arsenic hydride is absorbed by an absorbing solution of nitricacid-silver nitrate-polyvinylol-ethanol. The advantages of this method are of simple opertion, less time-consuming, high sensitivity and
good reproducibility. The M ?light absorption coefficient of new silver salt method is 5. 7 times the size of DDC-Ag (silver diethyl dithiocarbamate)method. |
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| Keywords: | New silver salt method Cosmetics Arsenic |
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