TRACE ENRICHMENT AND DETERMINATION OF GOLD BY FLOW-INJECTION INDUCTIVELY-COUPLED PLASMA SPECTROMETRY .2. INDUCTIVELY-COUPLED PLASMA-MASS SPECTROMETRY

被引：19

作者：

GOMEZ, MMG ^{[1
]}

MCLEOD, CW ^{[1
]}

机构：

[1] SHEFFIELD HALLAM UNIV,SCH SCI,ENVIRONM RES CTR,DIV CHEM,SHEFFIELD S1 1WB,S YORKSHIRE,ENGLAND

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1995年 / 10卷 / 02期

关键词：

GOLD DETERMINATION; NATURAL WATERS; MICROCOLUMN PRECONCENTRATION; FLOW INJECTION; INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY;

D O I：

10.1039/ja9951000089

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A flow injection system incorporating a microcolumn of sulfhydryl cotton fibre was combined with inductively coupled plasma mass spectrometry for the on-line preconcentration and determination of gold in natural waters. Use of a sampling time of 10 min (40 ml) and an eluent (KCN) volume of 250 mu l resulted in a nominal preconcentration factor of 160. The limit of detection was 0.19 ng l(-1) and the precision was 3.6% at the 5 ng l(-1) level. Application to the determination of gold in natural waters was demonstrated.

引用

页码：89 / 91

页数：3

共 14 条

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