STUDY OF THE DEPRESSIVE EFFECTS OF NITRIC-ACID ON THE LINE-INTENSITIES OF RARE-EARTH ELEMENTS IN INDUCTIVELY-COUPLED PLASMA-ATOMIC EMISSION-SPECTROMETRY

被引：38

作者：

BRENNER, IB

SEGAL, I

MERMET, M

MERMET, JM

机构：

[1] GEOL SURVEY ISRAEL,IL-95001 JERUSALEM,ISRAEL

[2] ISRAEL ANTIQUITIES AUTHOR,IL-91004 JERUSALEM,ISRAEL

[3] UNIV LYON 1,SCI ANALYT LAB,CNRS,URA 435,F-69622 VILLEURBANNE,FRANCE

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 1995年 / 50卷 / 4-7期

关键词：

D O I：

10.1016/0584-8547(94)00119-G

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Depressive effects of nitric acid on the line intensities of rare earth elements in ICP-AES have been attributed to a decrease in the energy transfer from the plasma to the analyte. Principal component analysis was used to differentiate the behaviour of rare earth elements and to emphasize the influence of the oxide bond strength and the ionization energy on the acid effect. A similar behaviour was obtained by substituting the acid effect for that of a sheathing gas.

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页码：333 / 340

页数：8

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