This product is widely used in trades such as foodstuff, medicine, chemical industry and light industry etc., and is chiefly used to make the tartaric acid salts, like antimony potassium tartrate, potassium sodium tartrate. Served as beer vesicant and foodstuff sourness agent and flavoring etc at the foodstuff trade and its sourness is the citric acid 1.3 times, and especially is suitable to do the sourness agent of the grape juice. This article is appraised as the excellent food additive by the FAO/WHO experts committee. It also has the very important effect in tannage, photograph, glass, enamel and telecommunication equipment etc.

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