天天操夜夜撸_bl文高h湿_ll999榴莲旧版_办公室里呻吟的丰满老师bd


Liquid ammonia


Index name Index
Top grade First grade Qualified product  
Ammonia content,% ≥ 99.9 99.8 99.6
Residue content,% ≤ 0.1 (weight method) 0.2 0.4
Moisture,% ≤ 0.1    
Oil content, mg / kg 5 (weight method)
2 (infrared spectroscopy)
   
Iron content, mg / kg ≤ 1