THE MATRIX MODIFICATION OF BORON AND ITS DETERMINATION BY GRAPHITE-FURNACE ATOMIC-ABSORPTION SPECTROMETRY SLURRY ATOMIZATION USING TOTALLY PYROLYTIC-GRAPHITE TUBES

被引：8

作者：

BARNETT, N ^{[1
]}

EBDON, L ^{[1
]}

EVANS, EH ^{[1
]}

OLLIVIER, P ^{[1
]}

机构：

[1] POLYTECH SOUTH WEST,DEPT ENVIRONM SCI,PLYMOUTH ANALYT CHEM RES UNIT,DRAKE CIRCUS,PLYMOUTH PL4 8AA,ENGLAND

来源：

MICROCHEMICAL JOURNAL | 1991年 / 44卷 / 02期

关键词：

D O I：

10.1016/0026-265X(91)90095-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The use of matrix modifiers for the determination of boron by graphite furnace atomic absorption spectrometry has been studied and applied to boron determination in environmental samples by graphite furnace atomic absorption spectrometry-slurry atomization. The elimination of memory effects by employing the cleaning agents CH3OH H2SO4 (4 + 1 v v) and NaF (1%, m v), and a separate cleaning cycle, has been investigated, and found to be effective when using totally pyrolytic tubes. Boron was successfully determined in plant samples at the microgram per gram level. © 1991.

引用

页码：168 / 178

页数：11

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