Ammonium Sulphate

SPECIFICATION:

Moisture per cent by weight, maximum   1.0

Ammoniacal nitrogen per cent by weight, minimum 20.5

Sulphate Sulphur (as S) per cent by weight, minimum    23.0

Free acidity (as H?SO?)                                                           0.025

per cent by weight, minimum (0.04 for material obtained from by-

product ammonia and by-product gypsum)

Arsenic (as As,0,) per cent by weight, maximum             0.01

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