1. Product indicators

Appearance White crystalline powder

Effective content,% ≥99.5~101.0

PH (0.5% aqueous solution) 4.0~6.5

Ash (burning residue)% ≤ 0.1

Loss on drying%, ≤ 0.5

Melting point ℃ ≥ 225

Specific rotation - 0.1~+0.1

Reducing substance adopt

2. Package specification 1.0kg × 10 bottles / box; 15kg / cardboard barrel; 25kg / cardboard barrel

3. Storage method Avoid freezing environment, store in a dark, cool and dry place, room temperature and sealed.