CORRECTION OF MINERAL ACID INTERFERENCES IN INDUCTIVELY COUPLED PLASMA OPTICAL-EMISSION SPECTROMETRY ON COPPER AND MANGANESE USING INTERNAL STANDARDIZATION

被引：22

作者：

GARDEN, LM

MARSHALL, J

LITTLEJOHN, D

机构：

[1] ICI PLC,WILTON MAT RES CTR,MIDDLESBROUGH TS6 8JE,CLEVELAND,ENGLAND

[2] UNIV STRATHCLYDE,DEPT PURE & APPL CHEM,GLASGOW G1 1XL,SCOTLAND

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1991年 / 6卷 / 02期

关键词：

INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY; MYERS-TRACY SIGNAL COMPENSATION; INTERNAL STANDARDIZATION; ACID INTERFERENCE EFFECT;

D O I：

10.1039/ja9910600159

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A study has been made of mineral acid matrix interferences in trace element determinations by inductively coupled plasma optical emission spectrometry. It has been shown that signal suppressions of up to 40% can be observed under normal operating conditions. The interferences can largely be compensated for by using an internal standardization procedure. Precision is also improved several fold when scandium is used as a real-time internal standard. This is attributed to the reduction of noise by simultaneous measurement of emission signals.

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页码：159 / 163

页数：5

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