CHROMIUM SPECIATION IN CEMENT EXTRACTS AND AIRBORNE PARTICULATES USING HPLC COUPLED WITH ICP-MS

被引：0

作者：

McSheehy, Shona ^{[1
]}

Seby, Fabienne ^{[1
]}

Nash, Martin ^{[2
]}

机构：

[1] Univ Pau, Lab Chim Analyt Bioinorgan & Environm, Grp Biogeochem Ultra Trace & Isotop Anal, Pau, France

[2] Thermo Fisher Sci, Cambridge, England

来源：

BRAZILIAN JOURNAL OF ANALYTICAL CHEMISTRY | 2010年 / 1卷 / 00期

关键词：

Chromium speciation; airborne particulates; cement extract; HPLC; ICP-MS;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A HPLC-ICP-MS method was developed to analyze trivalent and hexavalent chromium in cement extracts and airborne particulates. Method validation was performed using a NIST Certified Reference Material (CRM-545) and agreement between the measured and certified values was achieved. The determined method detection limits (MDLs) were 0.10 mu g/kg for Cr-VI and 0.64 mu g/kg for Cr-III. The determined limits of quantification (LOQs) were 0.35 mu g/kg for Cr-VI and 2.13 mu g/kg for Cr-III. The developed methodology allowed for sensitive and accurate chromium speciation in real samples of cement and dust extracts.

引用

页码：25 / 28

页数：4

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