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.
| 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 |
| Google Analytic Metrics | Metrics page |