... 4, Ammoniacal nitrogen, per cent by weight, minimum 12.0 5, Water soluble phosphate (as P2O5) Moisture, per cent by ... , Matter insoluble in water, per cent by weight, maximum 0.5 7, Sodium as NaCl, percent by weight, on dry basis, maximum ... 0.5 8, Size:in crystal9, Color:white10, Pack:in 25 ...