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di-Potassium hydrogen phosphate anhydrous博亚体育app下载:COA Report
  • CAS No.：7758-11-4
  • Molecular weight：174.18
  • Aliases：di-Potassium hydrogen phosphate
  • Molecular formula：K2HPO4
  • EC No.：231-834-5
  • HS-No：28352400
Information
Specification category：
Product No. Product name specifications
1.01938.010 di-Potassium hydrogen phosphate anhydrous AR500g
1.01938.040 di-Potassium hydrogen phosphate anhydrous AR25kg
Characteristic： Appearance and properties:White particle or crystal powder.
Relative density: 2.44(water=1)(20℃)
Melting point(℃): 340
Concentration: Pure
Solubility: Soluble in water(1600g/L,20℃),slightly soluble in ethanol(20℃).
Technical indicators：
Item AR CP
Assay ≥98.0% ≥97.0%
pH-value(25g/L solution,25 ℃) 9.0~9.3 9.0~9.3
Clarity of solution Pass Pass
Insoluble matter in water ≤0.02% ≤0.03%
Chloride(Cl) ≤0.004% ≤0.005%
Nitrate(NO3) ≤0.002% ≤0.004%
Sulfate(SO4) ≤0.03% ≤0.04%
Arsenic(As) ≤0.0005% ≤0.001%
Iron(Fe) ≤0.003% ≤0.004%
Magnesium(Mg) ≤0.0005% ≤0.001%
Sodium(Na) ≤0.07% ≤0.10%
Heavy metals(as Pb) ≤0.0025% ≤0.005%
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