ITEMS
REQUIREMENTS RESULTS
Purity (NH4CL CONTENT ON DRY BASIS) 99.5% Min 99.51%
Nitrogen content dry basis 25.0% Min 25.4%
Moisture 0.5% Max 0.15%
Residue in ignition 0.4% Max 0.043%
Heavy metal (as Pb) content 0.0005% Max 0.0004%
Sulphate content (SO4) 0.05% Max 0.01%
PH value (200g/L, 25ºC) 4.0-5.8 5.5
Appearance
White powder crystals Or Granular