copper arsenate

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copper arsenate

[′käp·ər ′ärs·ən‚āt]
(inorganic chemistry)
Cu3(AsO4)2·4H2 O or Cu5H2(AsO4)4·2H2O Bluish powder, soluble in ammonium hydroxide and dilute acids, insoluble in water and alcohol; used as a fungicide and insecticide.