OPTIMIZATION OF HEATING PROGRAMS OF GFAAS FOR THE DETERMINATION OF CD, CU, NI AND PB IN SEDIMENTS USING SEQUENTIAL EXTRACTION TECHNIQUE

被引：10

作者：

PAI, S ^{[1
]}

LIN, F ^{[1
]}

TSENG, C ^{[1
]}

SHEU, D ^{[1
]}

机构：

[1] NATL SUN YAT SEN UNIV,INST MARINE GEOL,TAIPEI,TAIWAN

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 1993年 / 50卷 / 03期

关键词：

METALS; SEDIMENTS; SEQUENTIAL EXTRACTION; GFAAS;

D O I：

10.1080/03067319308027597

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The volatilization behaviors of Cd, Cu, Ni and Pb in different extracting media have been studied using graphite furnace atomic absorption spectrometry (GFAAS) to determine metal concentrations in natural sediments. Considerable interference was found for Cd, Ni, and Pb in the extracts of high matrix concentrations, and could be largely reduced by carefully selecting the ashing and atomization temperatures of GFAAS. Optimal heating programs are proposed to suit a variety of extracts containing different matrices.

引用

页码：193 / 205

页数：13

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