HETEROELEMENTAL DIATOMIC SECONDARY IONS AS A PROBE FOR MOLECULAR-STATES

被引：3

作者：

GOSCHNICK, J

LIPP, M

ACHE, HJ

机构：

[1] Institut für Radiochemie, Kernforschungszentrum Karlsruhe, Karlsruhe, W-7500

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1993年 / 346卷 / 1-3期

关键词：

D O I：

10.1007/BF00321452

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The complete chemical characterization of environmental particles requires a depth resolved analysis of the chemical state of the elements. Using dynamic SIMS, a depth-resolved determination of the chemical state of chromium was derived from measurements of ten different chromium salts and oxides. The evaluation is based on the signals of Cr2+, CrO+ and Cr2O+ which are the most intense molecular ions. The valence state of chromium can be determined for concentrations far less than 1 atom%. The transferability of this kind of analysis is shown for manganese compounds. Additionally binary mixed metal clusters are shown to indicate binding partners of compounds in mixtures.

引用

页码：365 / 367

页数：3

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