Technical Parameters:

Appearance	white or off-white power
Identifications	A.An orange-yellow preciptate is formed
Identifications	B.A pale blue precipitate is formed
Identifications	C.A deep red color is prodeced
K  Value(5.0% in water solution)	27.0-32.4
Moisture	5.0%max
pH Value(5% in water)	3.0-7.0
N-vinylprrolidone	2000ppm max
Residue on Ignition	0.1%max
Nitrgen Content(on anhydrous basia	11.5%-12.8%
Heavy Metals(as Pb)	10ppm max
Aldehyde(As accetaldehyde)	500ppm max
Hydrazine	1ppm max
Peroxides(As H2O2)	400ppm max