potassium sodium tartrate(redirected from Seignette's salt)
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potassium sodium tartrate
A colorless efflorescent tetrahydrate salt, KNaC4H4O6·4H2O, used in making mirrors, as an analytical reagent, and as a laxative. Crystals of this compound are noted for their piezoelectric properties. Also called Rochelle salt.
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|Noun||1.||potassium sodium tartrate - a double salt used in Seidlitz powder; acts as a cathartic|
double salt - a solution of two simple salts that forms a single substance on crystallization
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