Crossword clues for chromate
The Collaborative International Dictionary
Chromate \Chro"mate\, n. [Cf. F. chromate. See Chrome.] (Chem.) A salt of chromic acid.
Wiktionary
n. (context chemistry English) any salt of chromic acid; in solution the yellow chromate anion (CrO42-) is in equilibrium with the orange dichromate anion (Cr2O72-), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
WordNet
n. any salt or ester of chromic acid
Wikipedia
Usage examples of "chromate".
Add 20 grams of sodium acetate, warm, and precipitate the lead with a dilute solution of potassium chromate.
The addition of potassium chromate to the acetate solution reprecipitates the lead as a yellow chromate.
When the lead in the assay has been separated as sulphate and dissolved in sodic acetate, less chromate is apparently required, and in this case it will be necessary to precipitate the lead in the standard with an equivalent of sodic sulphate and redissolve in sodic acetate just as in the assay.
The determination is rendered sharper and less liable to error by the addition of a few drops of acetic acid to convert the chromate into bichromate.
From baryta, which it also resembles, it is distinguished by not yielding an insoluble chromate in an acetic acid solution, by the solubility of its chloride in alcohol, and by the fact that its sulphate is converted into carbonate on boiling with a solution formed of 3 parts of potassium carbonate and 1 of potassium sulphate.
I bad tested for morphine with nitric acid, permuriate of iron, chromate of potash, and, most important of all, iodic acid.
That heat fired the easily lit ignition charge of barium styphnate and barium chromate.
The vanadates, like the chromates, are coloured compounds, generally yellow or red.
Chromate of baryta is then thrown down, by the addition of biChromate of potash, as a yellow precipitate.
An excess of the chromate is required to complete the reaction, so that the point at which an indicator shows the presence of undecomposed chromate cannot be satisfactorily taken as the finish.
The vanadates, like the chromates, are coloured compounds, generally yellow or red.
Solutions of chromic salts are green, whilst those of the chromates are yellow.
The diamond is the most perfect reflector of light, only chromate of lead refracts more light, only chrysolite disperses it more.
Another grotto would be a monochrome of blue, various copper salts being "planted" everywhere, and growing in incrustations and festoons of every shade of blue from the faintest tinge of coerulean azure and green and grey, in whose abyss would be seen shapes of anemonies, perhaps of such hues as iron oxide, silver chromate, and cupramonium cyanurate.
Pope Pius XIII, The San Andreas Fault, Herodotus, 2n-l(2n-l) where both n and 2n-l are prime numbers, potassium nitrate, potassium chromate, potassium sulphate .