产品描述
Apperance White Crystals crystalline powder
Identification Positive
Assay( C2H5NO2) % ( on dried matter) 98.5-101.5
pH Value(5g/100ml in water) 5.6-6.6
Heavy Metals(As Pb) =< % 0.001
Loss on drying =< % 0.2
Residue on ignition(as sulphated ash) =< % 0.1
Chloride(As Cl) =< % 0.02
Sulphate(As SO4) =< % 0.0065
Ammonium(As NH4) =< % 0.01
Arsenic( As As) =< % 0.0001
Lead ( As Pb) =< % 0.0005
