Precise elemental and isotopic analyses in silicate samples employing ICP-MS

Application of hydrofluoric acid solution and analytical techniques

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18 Citations (Scopus)

Abstract

The pheasant memorial laboratory for geochemistry and cosmochemistry (pml), institute for study of the earth's interior, okayama university at misasa, misasa, tottori 682-0193, japan In this review, a new classification of elements based on behavior in hydrofluoric acid (HF) solution is presented for the precise quantitative analysis of each element by inductively coupled plasma mass spectrometry (ICP-MS). The elements are divided into 7 groups: (1) "fluorophile" elements; (2) insoluble fluoride-forming elements; (3) "bromophile" or "iodophile" elements; (4) "oxophile" elements; (5) "aquaphile" elements; (6) bare cation elements; and (7) other elements. Especially, the importance of fluorophile and insoluble fluoride-forming elements in elemental analysis is described. Due to the elemental characteristics, these two groups of elements cannot be dissolved simultaneously in the same solution, and thus cannot be measured together. In addition, coprecipitation of the fluorophile elements with the insoluble fluorides occurs in some conditions and hinders accurate analysis. The peculiar conditions when the coprecipitation occurs are discussed, and the "Al-addition" and "Mg-addition" methods for overcoming these problems are described. In addition, some state-of-the-art analytical techniques in ICP-MS are shown, and future directions of the element analysis are presented. 2009

Original languageEnglish
Pages (from-to)1181-1187
Number of pages7
JournalAnalytical Sciences
Volume25
Issue number10
DOIs
Publication statusPublished - Oct 2009

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Hydrofluoric Acid
Silicates
Inductively coupled plasma mass spectrometry
Fluorides
Coprecipitation
Alkali Metals
Geochemistry
Chemical analysis
Cations
Earth (planet)

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

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abstract = "The pheasant memorial laboratory for geochemistry and cosmochemistry (pml), institute for study of the earth's interior, okayama university at misasa, misasa, tottori 682-0193, japan In this review, a new classification of elements based on behavior in hydrofluoric acid (HF) solution is presented for the precise quantitative analysis of each element by inductively coupled plasma mass spectrometry (ICP-MS). The elements are divided into 7 groups: (1) {"}fluorophile{"} elements; (2) insoluble fluoride-forming elements; (3) {"}bromophile{"} or {"}iodophile{"} elements; (4) {"}oxophile{"} elements; (5) {"}aquaphile{"} elements; (6) bare cation elements; and (7) other elements. Especially, the importance of fluorophile and insoluble fluoride-forming elements in elemental analysis is described. Due to the elemental characteristics, these two groups of elements cannot be dissolved simultaneously in the same solution, and thus cannot be measured together. In addition, coprecipitation of the fluorophile elements with the insoluble fluorides occurs in some conditions and hinders accurate analysis. The peculiar conditions when the coprecipitation occurs are discussed, and the {"}Al-addition{"} and {"}Mg-addition{"} methods for overcoming these problems are described. In addition, some state-of-the-art analytical techniques in ICP-MS are shown, and future directions of the element analysis are presented. 2009",
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