Determination of Lead using 2, 5-Dimercapto-1, 3, 4-Thiodiazole (DMTD)

被引：0

作者：

Imtiaz, Naz ^{[1
]}

Butt, Muhammad Tahir ^{[1
]}

Khan, Rauf Ahmad ^{[1
]}

Iqbal, Javed ^{[1
]}

机构：

[1] Ctr Environm Protect Studies, Lahore, Pakistan

来源：

JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2012年 / 34卷 / 05期

关键词：

SPECTROPHOTOMETRIC DETERMINATION; SOIL;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new spectrophotometric method which is fairly selective, non extractive, is described here for the determination of lead based upon its colour reaction with 2,5- dimercapto-1, 3,4-thiodiazole (DMTD). According to this lead (II) can be determined within the range from 1.0 to 50 mu g per mL in a slightly acidic media (0.005 M HCl), to give a greenish yellow chelate complex, which has an absorption at 375 nm. The reaction proceeds fastly and color remains stable. While no special conditions are followed. The method is recommended for its routine use and is quite accurate, precise, and sensitive. Effect of Foreign ions is also studied at 40 mu g/mL of lead.

引用

页码：1111 / 1114

页数：4

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