Index : gb2946-92 result
Ammonium chloride % í² (nh4ci)
Moistrue % ín
0.7
0.5
Residue on ignition % ín
0.4
0.2
Heavy metal( pb) % ín
0.0005
0.0005
Sulphate % ín
0.02
0.02
Fe % ín
0.001
0.001
Ph 200g/l 25 oc
4-5.8