Potassium sodium tartrate - Wikipedia, the free encyclopedia
Shobun Baile
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Potassium sodium tartrate is a double salt first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. As a result the salt was known as Seignette's salt or Rochelle salt. Rochelle salt is not to be confused with , which is simply the mineral form of sodium chloride.

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