Abstract
Chromium isotopes were fractionated in a liquid-liquid extraction system using dycycrohexano-18-crown-6 at various hydrochloric acid concentrations. The isotopic ratios of 50Cr/52Cr and 53Cr/52Cr were measured precisely by the multi-collector inductively coupled plasma spectrometry (MC-ICP-MS). The isotope enrichment factor for 50Cr-52Cr isotope pair was shown to vary between 1.5≈2.3% and changed as a function of acidity. The magnitudes of mass-independent isotope fractionation could be attributed to the nuclear field shift effect. © 2008 Atomic Energy Society of Japan. All Rights Reserved.
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Fujii, T., Moynier, F., Yin, Q. Z., & Yamana, H. (2008). Mass-Independent Isotope Fractionation in the Chemical Exchange Reaction of Chromium (III) Using a Crown Ether. Journal of Nuclear Science and Technology, 45, 6–9. https://doi.org/10.1080/00223131.2008.10875968
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