Ultra-trace level speciated isotope dilution measurement of Cr(VI) using ion chromatography tandem mass spectrometry in environmental waters
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- 作者：Stefanie Mä ; dlera ; Aaron Todda ; H.M. &ldquo ; Skip&rdquo ; Kingstonb ; Matt Pamukuc ; Fengrong Suna ; Cindy Tata ; Robert J. Tooleya ; Teresa A. Switzera ; Vasile I. Furduia ; vasile.furdui@ontario.ca" class="auth_mail" title="E-mail the corresponding author
- 关键词：CrIII ; trivalent chromium ; CrVI ; hexavalent chromium ; DRC ; dynamic reaction cell ; HPLC ; high performance liquid chromatography ; IC ; ion chromatography ; ICP ; inductively-coupled plasma ; MCL ; maximum contaminant level ; MDL ; method detection limit ; MOECC ; Ontario Ministry of the Environment and Climate Change ; MPC ; multipoint calibration ; MRM ; multiple reaction monitoring ; MS ; mass spectrometry ; MS/MS ; tandem mass spectrometry ; natCrVI ; natural hexavalent chromium ; QC ; quality control sample ; PP
- 刊名：Talanta
- 出版年：2016
- 出版时间：15 August 2016
- 年：2016
- 卷：156-157
- 期：Complete
- 页码：104-111
- 全文大小：943 K
文摘
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First use of SID-IC-MS/MS to quantify Cr(VI) as HCrO4− in environmental waters.
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Lowest method detection limit of 2 ng L−1 Cr(VI) reported for MS-type instruments.
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Extensive discussion and experimental details on common preservation agents.
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SID-MS adapted for ultra-trace level concentrations.
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Approach eliminates the need for frequent re-calibration.