KINETIC-SPECTROPHOTOMETRIC DETERMINATION OF TRACE QUANTITIES OF THIOCYANATE BY INHIBITION OF THE REDOX REACTION OF FERROIN WITH PERIODATE

被引：11

作者：

AFKHAMI, A

BAHRAMI, H

机构：

[1] Department of Chemistry, Faculty of Sciences, Bou-Ali Sina University, Hamadan

来源：

ANALYTICAL LETTERS | 1995年 / 28卷 / 10期

关键词：

THIOCYANATE; KINETIC-SPECTROPHOTOMETRIC; SALIVA; BLOOD;

D O I：

10.1080/00032719508000356

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A kinetic- spectrophotometric method is developed for the determination of trace amounts of thiocyanate based on its inhibition action on the ferroin-periodate reaction. The method is rapid,simple, sensitive and selective. Thiocyanate in the concentration range of 20-200 ng/ml could be determined by the method. The limit of detection of the method is 16 ng/ml and the relative standard deviation is 2.9% for 10 determinations of 40 ng/ml thiocyanate. The proposed method is applied to the determination of thiocyanate in human blood serum and saliva.

引用

页码：1785 / 1791

页数：7

共 14 条

[1] SPECTROPHOTOMETRIC FLOW-INJECTION DETERMINATION OF TRACE AMOUNTS OF THIOCYANATE BASED ON ITS REACTION WITH 2-(5-BROMO-2-PYRIDYLAZO)-5-DIETHYLAMINOPHENOL AND DICHROMATE - ASSAY OF THE THIOCYANATE LEVEL IN SALIVA FROM SMOKERS AND NONSMOKERS [J].