MBAI - The Marine Biological Association of India

Comparative toxicity of trivalent and hexavalant chromium on a marine diatom.

Volume 42 Issue 1&2

M. R Manju and K. P. Balakrishnan

Abstract

The response of a marine diatom Nitzschia clausii (Hantzsch) Hustedt to trivalent and hexavalent chromium at micro level was studied. A short term experimental study was made on the changes in growth, net production, respiration and photosynthetic pigments at sublethal level. The metal accumulation on the diatom was also determined. It was found that hexavalent chromium was more toxic than trivalent chromium in diatom.

Date : 30-12-2000

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