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

A salt having two equivalents of arsenic acid to one of the base.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

It is applicable in all cases where the arsenic exists in solution as arsenic acid or as arsenate of soda.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

The method above described is the most satisfactory for the preparation of quinoline itself, but for the preparation of homologues of quinoline, the use of arsenic acid is preferable, since the yields are somewhat greater.

From Organic Syntheses by Conant, James Bryant

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

It is important that water should be used in such quantities as to prevent the solution of arsenic acid from depositing crystals on cooling.

From The Story of a Piece of Coal What It Is, Whence It Comes, and Whither It Goes by Martin, Edward A.