Quality standard of L(+) Tartaric Acid
Appearance: Colorless or white crystalline. Odorless, acdic taste. readily soluble in water and alcohol, insoluble in chloroform.
Application: In the medical industry, as pharmaceutical intermediate, resolution agent and its derivant etc. In the food industry, as acidic taste agent of drink, sweetmeats and jam food. In the chemical industry, serve as produce tartrate and ester. Also as shelter agent of metal ion. In the spinning industry, as resist of printing and dyeing , etc.
Package: In paper board or fibber board drum, or polypropylene bag, lined with complex bags of 25kgs net.
Storage: Kept air tightly in a light-proof, dry and cool place.

Specification:
Clarity and color solution: Up to standard
Specific optical rotation(C=20,) [a]D20 : +12 - +12.8
Assay: 99.5-101.0 %
Loss on drying: 0.2Max
Heavy metals: 0.001 max
Sulphated ash: 0.1% max
Oxalate: 0.035% max
Sulphate: 0.015% max
Chlorides(Cl): 0.01% max
Calcium(Ca): 0.02% max