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lead arsenate

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lead arsenate [′led ′ärs·ən‚āt]
(inorganic chemistry)
Pb3(AsO4)2Poisonous, water-insoluble white crystals; soluble in nitric acid; used as an insecticide.


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Lead arsenate is an inorganic compound of arsenic and found to be useful in the purpose of killing pests.
These toxic by-products are left from the days before DDT and before organophosphates, when arsenical pesticides, particularly lead arsenate (LA), were the treatment of choice to prevent the ravages of insect damage.
DDT displaced the more toxic and persistent lead arsenate.
 
 
 
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