... alcohol;PH value of 1% solution is at 8.0,relative density at 1.619,and melting point at 155 ... .Technical specificationsNOSpecificationsIndustrial GradeFood Grade1Main content %≥98.098.02Phosphorus pentoxide %≥52.752.73Nitrogen,as N %≥20.820.84PH value of 1 ... 37.8∼8.25Moisture %≤0.20.26Water insoluble %≤0.20.17Heavy metal,as pb %≤0.00038Arsenic,as As %≤0.00039Frioride %≤0.001 High Quality fertilizer ...