Page 181 - Chemical and process design handbook
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Speight_Part II_C 11/7/01 3:08 PM Page 2.122
CALCIUM ARSENATE
Calcium arsenate is produced by the reaction of calcium chloride, calcium
hydroxide, and sodium arsenate or lime and arsenic acid:
2CaCl + Ca(OH) + 2Na HAsO → Ca (AsO ) + 4NaCl + 2H O
2 2 2 4 3 4 2 2
Some free lime (CaO) is usually present. Calcium arsenate is used exten-
sively as an insecticide and as a fungicide.
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