DL-Sodium Potassium Tartrate

Sodium potassium tartrate, often known as Rochelle salt, is a tartaric acid double salt. Rochelle salt has a somewhat bitter flavour and is a white crystalline powder. It has a pH of 6.5 to 8.5.

INCI Name- Potassium sodium tartrate

Molecular Formulae- KNaC4H4O6.4H2O

Alternative Names- Seignette's salt

Purity of the ingredients- 99%

Country of Origin- India

BENEFITS AND APPLICATIONS-

• Sodium potassium tartrate is used as an emulsifier and pH control ingredient in food preparation.
• It is used to determine the amount of reducing sugar in solutions.
• It is an orthorhombic salt that crystallises in a colourless to blue-white state.
• It has a high melting point and a salty, cooling flavor.
• It is used as a laxative for medicinal purposes.

HOW IT WORKS-

• It works as a common precipitant in protein crystallography.
• It works as an emulsifier and pH control agent for food items.

CONCENTRATION AND SOLUBILITY-

• It is recommended that it should be used at a concentration of 4%.
• It is soluble in water and slightly soluble in alcohol.

HOW TO USE-

• In the porcelain dish, a precisely weighed amount of the item is carbonized. 
• The solution is filtered, and the residue is thoroughly rinsed with water. 
• Using methyl orange as an indicator, the filtrate and washings are mixed and titrated for excess acid with sodium hydroxide.