Crossword clues for dichromate
dichromate
The Collaborative International Dictionary
Bichromate \Bi*chro"mate\, n. [Pref. bi- + chromate.] (Chem.) A salt containing two parts of chromic acid to one of the other ingredients; as, potassium bichromate; -- called also dichromate.
Wiktionary
n. (context chemistry English) any salt of dichromic acid; in solution the orange dichromate anion (Cr2O72-) is in equilibrium with the yellow chromate anion (CrO42-), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
WordNet
n. a salt of the hypothetical dichromic acid [syn: bichromate]
Wikipedia
Usage examples of "dichromate".
Dawson soaking them in a solution of potassium dichromate to harden them.
This can be explained by the known fact that Dawson dipped the fragments in potassium dichromate to harden them after they were excavated.
The fragments found later by Dawson and Woodward together were not soaked in potassium dichromate and hence had no chromium in them.
Piltdown to Sollas from Bolivia and that Sollas had also received some potassium dichromate, the chemical apparently used in staining many of the Piltdown specimens.
He also felt that the dark staining of the bones, taken as a sign of great antiquity, was caused by Dawson soaking them in a solution of potassium dichromate to harden them.
Douglas recalled he had sent mastodon teeth like those found at Piltdown to Sollas from Bolivia and that Sollas had also received some potassium dichromate, the chemical apparently used in staining many of the Piltdown specimens.
He indicated a second atomizer, added, for effect, that, This test is something like the original one of dissolving strychnine in sulphuric acid, which causes no change, but, on the addition of a bit of potassium dichromate, tints variously blue, violet, and even red are produced.