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Updated: Dec 19, 2025

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium
Published on: December 17, 2018
Cadmium isotopes as tracers in environmental studies: A review
Qiaohui Zhong1, Yuchen Zhou2, Daniel C W Tsang3
1Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510405, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Abstract:
Cadmium isotopic compositions in non-contaminated systems and anthropogenic sources of Cd generally have different isotopic signatures. Cadmium isotopes, as a novel tracer, can be useful for fingerprinting the anthropogenic Cd sources, providing a promising source tracing technique in environmental studies. This review presents: (i) analytical techniques for Cd isotopic composition; (ii) isotopic signatures of Cd derived from anthropogenic activities; (iii) isotopic compositions of Cd in the industrial-impacted environmental samples; (iv) cadmium isotopic fractionation induced by geochemical process. Finally, the perspectives of using Cd isotopic compositions in environmental studies are also briefly discussed.
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