Groundwater contaminant by hexavalent chromium
Conference
·
OSTI ID:282979
- Univ. of Texas, Austin, TX (United States)
Oxidation of trivalent chromium to hexavalent chromium has been investigated as a function of total manganese in soils as well as various incubation conditions. Chromium and manganese contents were analyzed by atomic absorption (graphite furnace and flame emission respectively) following acid digestion. Total hexavalent chromium generation capacity was determined by addition of 0.001 M CrCL3, incubation, and analysis by s-diphenyl carbazide. Samples were then leached with CaSO{sub 4} and MgSO{sub 4} and incubated in various environments (oven, freeze-drier, field moist, ultrafreeze) to test for geogenic generation of Cr(IV). The degree of geogenic generation of hexavalent chromium was compared with total Mn and Cr content as well as hexavalent generational capacity.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- OSTI ID:
- 282979
- Report Number(s):
- UCRL-ID--114972-4; CONF-9505323--; ON: DE96006013
- Country of Publication:
- United States
- Language:
- English
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