Ammonium Chloride Tech Grad (NH4CL)

Specifications:
1) Powder grade: (GB2946-92)
2) NH4Cl (as dry basis): 99.5% min
3) Heavy metal (as Pb): 0.0005% max
4) Iron content: 0.0005% max
5) Moisture: 0.5% max
6) Sulphate (as SO4): 0.02% max
7) Residue after ignition: 0.4% max
8) pH value: 4.0 ~ 5.8.