NIES certified reference materials for arsenic speciation

被引：21

作者：

Yoshinaga, J ^{[1
]}

Shibata, Y ^{[1
]}

Horiguchi, T ^{[1
]}

Morita, M ^{[1
]}

机构：

[1] Natl Inst Environm Studies, Tsukuba, Ibaraki 305, Japan

来源：

ACCREDITATION AND QUALITY ASSURANCE | 1997年 / 2卷 / 03期

关键词：

inorganic arsenic; arsenobetaine; speciation; certified reference material; marine organism; MUSCLE REFERENCE MATERIAL; LIQUID-CHROMATOGRAPHY; BIOLOGICAL SAMPLES; MASS-SPECTROMETRY; TRACE-ELEMENTS; IDENTIFICATION; PLASMA; QUANTITATION;

D O I：

10.1007/s007690050122

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The National Institute for Environmental Studies (NIES) recently prepared two candidate certified reference materials (CRMs) for arsenicals to meet the growing demand for the quality assurance of arsenic speciation analysis. The NIES candidate CRM No. 14 Brown Alga was prepared from Hijiki seaweed for the certification of inorganic arsenic content, and No. 15 Scallop was prepared from adductor muscle of scallop for the certification of arsenobetaine content, The preparation of the candidate CRMs is briefly described. Cooperative analyses for total arsenic content of the candidate CRMs have been underway. The preliminary speciation analysis at NIES revealed difficulty in establishing suitable conditions for extracting arsenic species from the materials. Chromatograms of arsenic species by a high performance liquid chromatography-inductively coupled plasma mass spectrometric detection system are presented to provide information about arsenic species present in these candidate CRMs.

引用

页码：154 / 156

页数：3

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