One of the mysteries of the English language finally explained.
A salt or ester of arsenic acid.
- ‘Their oxidation products include an array of arsenates, selenates, and selenites.’
- ‘Sodiumfluoride, sodium fluorosilicate, sodium arsenate, sodium borate, and sodium chlorate are all used as weed or pest-killers.’
- ‘In the past, farmers have used toxic chemicals such as calcium arsenate, Paris green, dichlorodiphenyltrichloroethane, and toxaphene to rid their cotton crops of insects.’
- ‘Volume 4 of the Handbook of Mineralogy is, like its predecessors, an invaluable reference work, this time on essentially all the arsenates, phosphates, vanadates, and uranates known through 1999.’
- ‘Problems arise when chemical reactions change the arsenates into arsenites, which don't bind tightly to other minerals and can therefore enter the underground water supply.’
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