arsenic acid

American  

noun

Chemistry.

1. a white, crystalline, water-soluble powder, H 3 AsO 4 ⋅½H 2 O, used chiefly in the manufacture of arsenates.

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arsenic acid British  

noun

1. a white poisonous soluble crystalline solid used in the manufacture of arsenates and insecticides. Formula: H 3 AsO 4

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Etymology

Origin of arsenic acid

First recorded in 1795–1805

Example Sentences

See Examples For:

arsenic acid

Even the spent arsenic acid of the magenta-still has its use.

From Coal and What We Get from It by Raphael Meldola

From the arsenical waste arsenious acid can be recovered, and converted back into arsenic acid by the action of nitric acid.

From Coal and What We Get from It by Raphael Meldola

It was first made from aniline by the agency of mercurial salts, and afterward by that form of arsenic known to chemists as arsenic acid.

From Scientific American Supplement, No. 470, January 3, 1885 by Various

In alkaline solution azobenzene results, while arsenic acid produces the violet-colouring matter violaniline.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 by Various

According to Binz and Schultz its power is due to the fact that it is an oxygen-carrier, arsenious acid withdrawing oxygen from the protoplasm to form arsenic acid, which subsequently yields up its oxygen again.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various