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Chromatographic Separation of Cd from Plants via Anion Exchange Resin for an Isotope Determination by Multiple Collector ICP-MS TEXT SIZE: A A A
In this study, key factors affecting the chromatographic separation of Cd from plants, such as the resin column, digestion and purification procedures, were experimentally investigated. A technique for separating Cd from plant samples based on single ionexchange chromatography has been developed, which is suitable for the highprecision analysis of Cd isotopes by multiplecollector inductively coupled plasma mass spectrometry (MC-ICP-MS). The robustness of the technique was assessed by replicate analyses of Cd standard solutions and plant samples. The Cd yields of the whole separation process were higher than 95%, and the Cd-114/110 values of three Cd second standard solutions (Munster Cd, Spex Cd, Spex-1 Cd solutions) relative to the NIST SRM 3108 were measured accurately, which enabled the comparisons of Cd isotope results obtained in other laboratories. Hence, stable Cd isotope analyses represent a powerful tool for fingerprinting specific Cd sources and/or examining biogeochemical reactions in ecological and environmental systems.

Publication name

 ANALYTICAL SCIENCES, 33 (3):335-341; MAR 2017


 Wei, Rongfei; Guo, Qingjun; Wen, Hanjie; Peters, Marc; Yang, Junxing; Tian, Liyan; Han, Xiaokun

Corresponding author(s) 

 GUO Qingjun 
 Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China.

Author(s) from IGCAS   WEN Hanjie

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