Sodium potassium tartrate is used as a laxative. It is used in the silvering of mirrors. It is one of the ingredients in Fehling's solution. It is used in the electroplating process.Sodium potassium tartrate is used as a laxative. It is used in the silvering of mirrors. It is one of the ingredients in Fehling's solution. It is used in the electroplating process.
main forms of tartrates used commercially are pure crystalline tartaric acid used as an acidulant in non-alcoholic drinks and foods, cream of tartar used in baking, and Rochelle salt, commonly used in electroplating solutions.