| 锌汞齐还原法测定二硫代二乙酸 |
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| 引用本文： | ZHAO Jian-hong,张展,宋成盈,王留成,陈杰,徐海升.锌汞齐还原法测定二硫代二乙酸[J].分析试验室,2008,27(1):93-95. |
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| 作者姓名： | ZHAO Jian-hong 张展 宋成盈 王留成 陈杰 徐海升 |
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| 作者单位： | 郑州大学化工学院,郑州,450001 |
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| 摘 要： | 将锌汞齐能还原二硫代二乙酸(DTDGA)成巯基乙酸(TGA)的原理和碘量法滴定相结合,对电还原DTDGA合成TGA反应液中的DTDGA进行定量分析,测定结果的相对标准偏差为0.37%,加标平均回收率100.6%。
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| 关 键 词： | 锌汞齐还原柱 二硫代二乙酸 巯基乙酸 碘量法 电解还原 |
| 文章编号： | 1000-0720（2008）01-093-03 |
| 收稿时间： | 2006-10-18 |
| 修稿时间： | 2006-12-05 |
Analysis of dithiodiglycolic acid using zinc amalgam reducing column |
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| ZHAO Jian-hong,ZHANG Zhan,SONG Cheng-ying,WANG Liu-cheng,CHEN Jie,XU Hai-sheng.Analysis of dithiodiglycolic acid using zinc amalgam reducing column[J].Chinese Journal of Analysis Laboratory,2008,27(1):93-95. |
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| Authors: | ZHAO Jian-hong ZHANG Zhan SONG Cheng-ying WANG Liu-cheng CHEN Jie XU Hai-sheng |
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| Abstract: | A self-made zinc amalgam reducing column was used for the determination of dithiodiglycolic acid(short for DTDGA) based on the standard iodimetric titration and that the DTDGA could be reduced to thioglycolic acid(short for TGA) by zinc amalgam.The content of DTDGA was determined in its electrolyte solution which is used for the sythesis of TGA.The maximum relative standard deviation and average recovery were 0.37% and 100.58% respectively. |
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| Keywords: | Zinc amalgam reduing column Dithiodiglycoli acid Thioglycolic acid Iodimetry Electrolytic reduction |
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