di-sodio idrogeno fosfato diidrato EPR, 500 g

di-Sodio idrogeno fosfato dodecaidrato EPR
Na2HPO4·12H2O
M.W: 358,14 CAS: 10039-32-4 EC: 231-448-7 TARIC: 28352200
P: P102-P202

Assay 98 – 102%
Appearance White crystals/powder
Substances insoluble in water (H2O) ≤ 0.01%
Iron (Fe) ≤ 0.002%
Total Nitrogen ≤ 0.002%
Chloride (Cl–) ≤ 0.005%
pH (5% water, 20°C) 9 – 9.5
Sulfates (SO4) ≤ 0.02%
Heavy metals (Pb) ≤ 0.002%
Arsenic (As) ≤ 0.0005%