DIRECT DETERMINATION OF LITHIUM IN ERYTHROCYTES BY ELECTROTHERMAL ATOMIC-ABSORPTION SPECTROMETRY

被引：4

作者：

YANG, GY ^{[1
]}

XU, DX ^{[1
]}

JIN, RX ^{[1
]}

机构：

[1] TIANJIN MED UNIV,TIANJIN 300203,PEOPLES R CHINA

来源：

ANALYST | 1995年 / 120卷 / 06期

关键词：

ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY; LITHIUM; ERYTHROCYTES; MATRIX MODIFIER; BLOOD;

D O I：

10.1039/an9952001657

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for the direct determination of lithium in erythrocytes using 0.2 mol l(-1) K2HPO4-1% Triton X-100 solution as a matrix modifier is described. The optimum experimental parameters and effect of co-existing elements on the determination of lithium has been investigated in detail. The detection limit for lithium was 5.0 x 10(-11) g, and the relative standard deviations were less than 3.20%. The rate of recovery varied from 96.40 to 101.16%. The procedure was simple, rapid and reproducible. The present study allows the determination of the amount of lithium in erythrocytes using electrothermal atomic absorption spectrometry. In the 33 healthy subjects studied, the average concentration of lithium in erythrocytes was 13.70 +/- 1.56 mu g l(-1).

引用

页码：1657 / 1659

页数：3