OXYCHLORINE IONS IN INDUCTIVELY-COUPLED PLASMA-MASS SPECTROMETRY - EFFECT OF CHLORINE SPECIATION AS CL- AND CLO4-

被引:17
作者
LONGERICH, HP [1 ]
机构
[1] MEM UNIV NEWFOUNDLAND,CTR EARTH RESOURCES RES,ST JOHNS A1B 3X5,NEWFOUNDLAND,CANADA
关键词
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY; POLYATOMIC ION; CHLORINE; ALKALINE EARTH METAL; ROCKS;
D O I
10.1039/ja9930800439
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Differences in the inductively coupled plasma mass spectra of 0.2 mol l-1 HCI and 0.2 mol l-1 HClO4 are reported. An enhancement was observed of the ion signal in the mass spectra of several oxychlorine species (ClO2+, HClO2+, ClO3+, HClO3+, HClO4+ and H2ClO4+) in a solution of HClO4 compared with the spectra of an equimolar solution of HCl. Spectra of Ca in HClO4 showed enhanced formation of CaClO+, CaClO2+, CaClO3+ and CaClO4+ compared with equimolar solutions of Ca in HCl. Similarly, solutions of Mg in HClO4 showed enhanced formation of MgClO2+, MgClO3+ and MgClO4+ compared with equimolar solutions of Mg in HCl. Other major rock-forming elements (Na, Al, K, Sc, Ti, Mn and Fe) did not produce enhanced signals from oxychlorine polyatomic ions.
引用
收藏
页码:439 / 444
页数:6
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