... MAP Technical Grade 1,Purity:99.0% 2,Sodium:0.5% 3,Moisture:0.2% 4,Form:white crystal ... Ammoniacal nitrogen, per cent by weight, minimum 12.0 5, Water soluble phosphate (as P2O5) Moisture, per cent ... 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, ...