Chromium isotopes and the fate of hexavalent chromium in the environment
Science
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Abstract
Measurements of chromium (Cr) stable-isotope fractionation in laboratory experiments and natural waters show that lighter isotopes reacted preferentially during Cr(VI) reduction by magnetite and sediments. The 53Cr/52Cr ratio of the product was 3.4 ± 0.1 per mil less than that of the reactant.53Cr/52Cr shifts in water samples indicate the extent of reduction, a critical process that renders toxic Cr(VI) in the environment immobile and less toxic.
Suggested Citation
Ellis, A.S., Johnson, T.M., and Bullen, T.D., 2002, Chromium isotopes and the fate of hexavalent chromium in the environment: Science, v. 295, no. 5562, p. 2060-2062, https://doi.org/10.1126/science.1068368.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Chromium isotopes and the fate of hexavalent chromium in the environment |
| Series title | Science |
| DOI | 10.1126/science.1068368 |
| Volume | 295 |
| Issue | 5562 |
| Year Published | 2002 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 3 p. |
| First page | 2060 |
| Last page | 2062 |