Used to make injection, manufacturing soda ash and caustic soda and other chemical products, mineral smelting.
Physical Property: White Crystal at normal temperature, density 2.165,Melting Point 801centigrade,Boiling point 1413centigrade,Salted and Neutral, Easily dissolving in Water and Glycerin, Difficult to dissolve in Alcohol.
Items | Limit | Result |
Characteristics | a white crystalline Powder or colorless crystals or white pearls ,freely soluble in water | a white crystalline Powder or colorless crystals or white pearls ,freely soluble in water |
Identification | Positive | Positive |
Assay | 99.0%-100.5% | 99.91% |
Loss on drying | ≤0.5% | 0.1% |
Acidity/alkalinity | Conform | Conform |
Appearance of Solution | Clear | Clear |
Arsenic | ≤0.0001% | <0.0001% |
Barium | Conform | Conform |
Iron | ≤0.0002% | <0.0002% |
Magnesium and alkaline-earth metals | ≤0.01% | <0.01% |
Bromides | ≤0.01% | <0.01% |
Iodides | Conform | Conform |
Sulphate | ≤0.02% | <0.02% |
Heavy Metals | ≤0.0005% | <0.0005% |
Aluminum | ≤0.00002% | <0.00002% |
Ferro cyanides | Conform | Conform |
Phosphates | Conform | Conform |
Potassium | Conform | Conform |
Nitrites | Conform | Conform |
Bacterial end toxins | ≤5IU/g | <5IU/g |