INDEX	GB2946-92	RESULT
AMMONIUM CHLORIDE % ≥  (NH4CL)	99.3	99.58
MOISTURE           %  ≤	0.7	0.3
RESIDUE ON IGNITION %  ≤	0.4	0.2
HEAVY METAL(Pb)     %  ≤	0.0005	0.00045
SULPHATE         %  ≤	0.02	0.018
Fe             %  ≤	0.001	0.0005
PH value	4-5.8	5.6