copper arsenite

noun

1. a yellowish-green, water-insoluble, poisonous powder, CuHAsO 3 , used chiefly as a pigment and as an insecticide.

Example Sentences

Inorganic compounds such as copper arsenite, also called Scheele’s green, lent a coveted hue to some wallpapers and paints.

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Put that wallpaper in a damp environment, and a toxic mold will form, which converts the copper arsenite pigment into a poisonous vapor.

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Copper arsenite forms the basis of a number of once valuable, but very poisonous, pigments.

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Scheele’s green is a basic copper arsenite; Schweinfurt green, an aceto-arsenite; and Casselmann’s green a compound of cupric sulphate with potassium or sodium acetate.

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The boiling must be well kept up, otherwise the precipitate assumes a yellow-green color, from the formation of copper arsenite; in that case acetic acid must be added, and the boiling continued a few minutes longer.

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