APPLICATIONS OF A SLOTTED TUBE ATOM TRAP AND FLAME ATOMIC-ABSORPTION SPECTROMETRY - DETERMINATION OF BISMUTH IN COPPER-BASED ALLOYS WITH AND WITHOUT HYDRIDE GENERATION

被引：11

作者：

BURNS, DT

CHIMPALEE, N

HARRIOTT, M

机构：

[1] Department of Analytical Chemistry, The Queen's University of Belfast, Belfast

来源：

ANALYTICA CHIMICA ACTA | 1995年 / 311卷 / 01期

关键词：

HYDRIDE GENERATION; SLOTTED TUBE ATOM TRAP (STAT); BISMUTH; COPPER-BASED ALLOYS;

D O I：

10.1016/0003-2670(95)00164-U

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Improved systems are reported for the determination of bismuth (0-0.1%, w/w) in copper-based alloys by flame atomic absorption spectrometry. The use of a slotted quartz tube atom trap (STAT) with nebulised solutions or coupled with hydride generation decreases the characteristic concentrations (nebulized solution, 0.44/0.25, without/with STAT; hydride, 0.022/0.014, without/with STAT) and improved precisions by factors of two compared with those obtained without the use of the STAT. Determination of bismuth in a series of reference materials demonstrates the usefulness of STAT systems for the analysis of metallurgical samples.

引用

页码：93 / 97

页数：5

共 20 条

[1] DETERMINATION OF BISMUTH, LEAD AND TELLURIUM IN COPPER BY ATOMIC-ABSORPTION SPECTROMETRY WITH INTRODUCTION OF SOLID SAMPLES INTO AN INDUCTION FURNACE [J].