... BUT BEST QUALITY FOR UP UP, K3PO4.CO(NH2)2, TG,98.0%min,P2O5:44.0%min,N: ... 17.0%min,PH:1.6-2.0 UP FOR U UPUrea phosphate (UP) Chemical formula ... .0Nitrogen as N, %min17.0Water insoluble, %max0.1Heavy metals, as Pb, %max---------Arsenic, as As, %max----------Fluoride, as F. %max ... -----------Moisture, %max0.5PH1.6-2.0 USE:It is used as fertilizer and feed. Used ...