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Potassium tartrate hemihydrate博亚体育app下载:COA Report
  • CAS No.：6100-19-2
  • Molecular weight：235.28
  • Aliases：Potassium tartrate hemihydrate
  • Molecular formula：K2C4H4O6·1/2H2O
  • EC No.：213-067-8
Information
Specification category：
Product No. Product name specifications
1.01827.010 Potassium tartrate hemihydrate AR500g
Characteristic： Appearance and properties: White crystal or crystal powder.
Melting point(℃): 150(decomposition)
Relative density: 1.98(water=1)(20℃)
Solubility: Dissolve easily in water,insoluble in alcohol.
Technical indicators：
Item AR CP
Assay(C4H4O6K2•1/2H2O) ≥99.0% ≥99.0%
pH value(25℃,50g/L) 7.0~9.0 7.0~9.0 Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.01%
Sulfate(SO4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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