1. Product indicators Appearance White flowing powder, with moisture absorption, tasteless or characteristic smell Nitrogen content,% â?¥19-21 Loss on drying,% â?¤3 Burning residue,% â?¤3 PH (1% aqueous solution) 6.0-8.0 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.
