Determination of zinc in hair by X-ray spectrometry

被引：0

作者：

Bolormaa, O ^{[1
]}

Karpukova, OM ^{[1
]}

Rozova, OF ^{[1
]}

Polonnikova, VV ^{[1
]}

Reshetnik, LA ^{[1
]}

Smagunova, AN ^{[1
]}

机构：

[1] Irkutsk State Univ, Irkutsk 664033, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 1998年 / 53卷 / 07期

关键词：

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A rapid X-ray fluorescence procedure and an X-ray fluorescence procedure with chemical pretreatment of the sample are developed for the determination of zinc in hair. The analysis of a hair sample by these procedures takes 0.5 and 3.5 h, respectively. The rapid procedure provides direct determination of zinc in dry, finely divided hair. The X-ray fluorescence procedure with chemical pretreatment involves the decomposition of hair with concentrated nitric acid and the subsequent analysis of solutions. Both procedures are based on the use of the reference background method. In the X-ray fluorescence procedure with chemical pretreatment, the calibration graphs are built using synthetic reference samples. In the rapid procedure, the results of analysis of hair samples obtained with the rapid procedure are used for constructing the calibration graphs. Performance characteristics of both procedures are evaluated.

引用

页码：679 / 682

页数：4