- Chemistry. a salt of the hypothetical acid H2Cr2O7, as potassium dichromate, K2Cr2O7.
Origin of dichromate
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Examples from the Web for dichromate
The dichromate is first dissolved, and the acid added gradually.
It is sometimes advisable to regulate the quantity of dichromate.
First mix the ammonia with the water, then grind up and add the dichromate.
After this it is well washed to remove the unaltered gum and dichromate salt.
Other organic substances are also often used, instead of glucose, to reduce the dichromate.
- any salt or ester of dichromic acid. Dichromate salts contain the ion Cr 2 O 7 2–Also called: bichromate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A compound containing the divalent negative ion, Cr2O7, usually having a characteristic orange-red color.bichromate
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