1. Product indicators

Appearance White flowing powder, with moisture absorption, tasteless or characteristic smell

Nitrogen content,% ≥26-28

Loss on drying,% ≤3

Burning residue,% ≤3

PH (1% aqueous solution) 6.5-7.5

2. Package specification 1.0kg × 10 bottles / box; 10kg / cardboard barrel; 20kg / cardboard barrel

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