... net woven bagDiammonium phosphate,DAPMolecular formula : (NH4)2HPO4Molecular weight : 132.05Model No.: CF-DAP621(Industrial grade), CF-DAP622(Low arsenic grade)Standards : Enterprise ... radio tube, also used in phosphorus, nitrogen high efficient compound fertilizer. Low arsenic grade is mainly used as nutrient.Packing: 9kg or ...