| ● |
Specification |
： |
Appearance, White crystalline powder
Assay(GC),% 98.5-101.5
Specific rotation,[a]D20,o +13.5 - +15
pH 3.0-4.0
Iron,% 0.001Max.
Heavy metals,% 0.001Max.
Chloride,% 0.02Max.
Loss on drying,% 0.20Max.
Residue on ignition,% 0.10Max.
As,% 0.0001Max.
Sulfate,% 0.02Max.
Ammonium,% 0.02Max. |
