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Potassium-sodium tartrate

Description: Colorless transparent crystals or white crystalline powder with salt and cool taste and has light efflorescence in hot air. Losting 3 molecule water at 100degree and becoming anhydrous salt at 215degree, soluble in water, practically insoluble in ethanol and its aqueous solution appears alkalescence to litmus, PH value 7 to 8, relative density1.790, melting point 70 to 80 degree.

Specification:


US FCC (III)
Item	Index
Content %	99.0~102.0
Alkslinity	Qualified
Arsenic (以As 计) ≤ %	0.0003
Heavy metals (on Pb) ≤ %	0.0010
Moisture %	21-26


CNS K7405
Item	Index
Content %	99.0~101.0
Insoluble matter≤%	0.005
Free acid (on KHC4H6)≤ %	0.12
Chloride (Cl) ≤%	0.001
Phosphate(PO4)≤%	0.002
Sulphate (S04) ≤%	0.005
Ammonia( NH3)≤%	0.003
Calcium (Ca) ≤%	0.005
Heavy metals (on Pb) ≤ %	0.0005
Iron (Fe) ≤%	0.001

Uses: This product is used as electron ting agent (reducer) in plating of printing, mirror,galvanoplastics, and thermos industries; as complexing agent in electroplating industry; in the making of crystal speakers and microphones in telecom industry; as desalting agent in chemical fertilizer industry; and also used in glass industry and other industries.

Packaging: In 25Kg P/E bags covered with woven bags.

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