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Molecular Formula：KNaC4H4O6·4H2O
Molecular Weight：282.23
Appearance：Colorless, transparent or white crystal. Specific gravity 1.77, melting point 70-80 ℃. Slightly weathered in hot air. Part of the crystal water is lost at 60 ℃, and all the crystal water is lost at 215 ℃. Soluble in aqueous solution, slightly alkaline.
Index Of Quality:
Indication Name | Index |
content of C4H4O6KNa·4H2O ，%≥ | 99.0 |
Chloride compound %≤ | 0.008 |
sulfate %≤ | 0.05 |
Aqueous solution reaction | Qualified |
Fe, %≤ | 0.002 |
Heavy Metals (Calculated by Pb) %≤ | 0.001 |
Water insoluble matter%≤ | 0.05 |
Storage：This product is used as baking powder in food industry; Plate making in the printing industry; Mirror making and thermos bottle industry as reducing agent; Electroplating industry complexing agent; It is used as a laxative in medicine; Used to make crystal speakers and microphones in the telecommunications industry; ADA desalting agent for chemical fertilizer industry; It is used in glass or other industries.
Packing：40kg iron bucket or 25kg plastic woven bag lined with kraft paper bag or composite bag.
Manufacturing
