| WANG Dan-ni,JIN Lan-lan,CHEN Bin,XIE Xian-jun,HU Sheng-hong.A Review of the Isotope System of Cadmium and Its Applications in Geosciences and Environmental Sciences[J].Rock and Mineral Analysis,2013,32(2):181-191 |
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| A Review of the Isotope System of Cadmium and Its Applications in Geosciences and Environmental Sciences |
| Received:July 23, 2012 Revised:November 05, 2012 |
| DOI： |
| Key words: cadmium isotope geosciences environmental sciences |
| Author Name | Affiliation | E-mail | | WANG Dan-ni | State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China | | | JIN Lan-lan | State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China | | | CHEN Bin | China National Environmental Monitoring Centre, Beijing 100012, China | | | XIE Xian-jun | State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China | | | HU Sheng-hong | State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China | shhu@cug.edu.cn |
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| Abstract: |
| Cadmium is a typical chalcophile element which occurs in various sulfide deposits. In the environmental system, cadmium as the nutritional requirement is utilized for the growth of microorganisms, and its cycle is greatly affected by the biological process. Several recent publications have shown that mass differences between Cd isotopes result in isotopic fractionation during the evaporation/condensation processes, biological and inorganic processes. These results demonstrate that Cd isotopes can be used as a tracer in geosciences and environmental sciences. The Multiple Collector-Inductively Coupled Plasma-Mass Spectrometry (MC-ICP-MS) has successfully been used for high-precision measurements of cadmium isotopic compositions in the geological samples, which makes a rapid advance in the geochemical research of the cadmium isotope. In this paper, based on current publications, a review of the cadmium isotopic system is provided in detail, with emphasis on the geochemical behaviour of cadmium and its isotope fractionation mechanism, the distribution characteristics in the natural reservoirs, analytical technique and the applications in the geosciences and environmental sciences. The geochemical research of the cadmium isotope is just in its infancy; conducting an investigation into the cadmium isotope fractionation mechanism, the distribution characteristics in natural reservoirs and a unified cadmium isotope standard calibration system could promote the application of the cadmium isotope in geosciences and environmental sciences. |
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