SODIUM TARTRATE ( rochelle salt) 8 ozs

KNaC₄H₄O₆•4HOH  [CAS_6381-59-5] 

Sodium tartrate is a white, crystalline powder, used as an emulsifier and a binding agent. It can be used in jellies, cheeses, sausage casings and any foods which contain fats or oils. 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.