The Oral Toxicity of Hexavalent Chromium
Medical Div. rept.
CHEMICAL CORPS ARMY CHEMICAL CENTER MD
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The object of this investigation was to determine the effect on albino rats of the oral ingestion of water containing hexavalent chromium. The test animals drank concentrations of hexavalent chromium as high as 200 mg.1. as potassium dichromate equivalent to 25 mg. of chromium per kilogram of body weight, over a period of 33 days, without ill effects definitely attributable to the chromium. The presence of chromium in the drinking water reduced the water consumption of the rats. The average consumption of water containing 200 mg. chromium per liter was 27 less than the consumption of tap water.