| 2-羟基-3-羧基-5-磺酸基苯基重氮氨基偶氮苯吸光光度法测定微量钯 |
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| 引用本文： | 郑国祥,邵勇,张淑云,郭忠先. 2-羟基-3-羧基-5-磺酸基苯基重氮氨基偶氮苯吸光光度法测定微量钯[J]. 理化检验(化学分册), 1999, 0(1) |
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| 作者姓名： | 郑国祥 邵勇 张淑云 郭忠先 |
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| 作者单位： | 四川轻化工学院化学工程系 自贡643033 |
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| 摘 要： | 于pH9.3～10.6Na_2CO_3-NaHCO_3缓冲介质中,在Triton N-101存在下,Pd(Ⅱ)与2-羟基-3-羧基-5-磺酸基苯基重氮氨基偶氮苯(HCSDAA)形成组成比为1:2的红色配合物,其最大吸收波长为530nm,表观摩尔吸光系数为1.05×10~5,线性范围为0～0.7μg·ml~(-1) .结合丁二酮肟螯合,氯仿萃取,方法用于贵金属二次合金中微量钯的测定,相对标准偏差为2.0%(n=6).加标回收率为93.8%～99.3%.
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| 关 键 词： | 吸光光度法 钯 2-羟基-3-羧基-5-磺酸基苯基重氮氨基偶氮苯 |
ABSORPTIOPHOTOMETRIC DETERMINATION OF PALLADIUM WITH THE TRIAZENE REAGENT-HCSDAA |
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| Zheng Guoxiang,Guo Zhongxian,Shao Yong and Zhang ShuyunDept. of Chem. Eng.,Sichuan Institute of Light Industry and Chemical Technology,Zigong. ABSORPTIOPHOTOMETRIC DETERMINATION OF PALLADIUM WITH THE TRIAZENE REAGENT-HCSDAA[J]. Physical Testing and Chemical Analysis Part B:Chemical Analgsis, 1999, 0(1) |
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| Authors: | Zheng Guoxiang Guo Zhongxian Shao Yong Zhang ShuyunDept. of Chem. Eng. Sichuan Institute of Light Industry Chemical Technology Zigong |
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| Affiliation: | Zheng Guoxiang,Guo Zhongxian,Shao Yong and Zhang ShuyunDept. of Chem. Eng.,Sichuan Institute of Light Industry and Chemical Technology,Zigong 643033 |
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| Abstract: | |
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| Keywords: | Absorptiophotometry Palladium 2-Hydroxy-3-carboxy-5-sulfophenyl-diazo aminoazobenzene |
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