SOLUBILITY VERY SOLUBLE IN WATER
ID AMMONIUM & SULPHATE =+VE
PH OF 5% SOLUTION 5.0-6.0
INSOLUBLE MATTER MAX 0.005%
LOSS ON DRYING MAX 0.1%
NON VOLATILE MATTER MAX 0.01%
CHLORIDE MAX 0.0003%
PHOSPHATE MAX 0.0005%
CALCIUM MAX 0.001%
COPPER MAX 0.0002%
IRON MAX 0.0002%
LEAD MAX 0.0002%
MAGNESIUM MAX 0.0002%
ASSAY ON DRY BASIS MIN 99.5%