THE colour reaction between dichromate and diphenylcarbazide in acid medium is the basis of the best method yet devised for the detection and colorimetric estimation of small amounts of chromium.
Iraq war veteran Andy Tosh points to his nose where he was treated for skin cancer and shows the red marks on his hand. His health has been permanently damaged - not by the baking heat of the Iraqi ...
New Delhi, Jun 11 () The Commerce Ministry's investigation arm DGAD has not recommended an anti-dumping duty on sodium dichromate, used in the pharma sector, from Russia, South Africa, Kazakhstan and ...
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