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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 densityPotassium-sodium tartrate1.790, melting point 70 to 80 degree.


Potassium-sodium tartrate
Item Index
Content % 99.0~102.0
Alkslinity Qualified
Arsenic (As 计) ≤ % 0.0003
Heavy metals (on Pb) ≤ % 0.0010
Moisture % 21-26
CNS K7405
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

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.

Copyright 2001 LINAN EURO-CHINA Co., Ltd. Last modify: 09.18.2011 Questions about our products,
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