... Diammonium phosphate, DAPOther name: Diammonium phosphate 18-46-0, Diammonium phosphate DAP Fertilizer, Food grade diammonium phosphate ... pH value of 1% water solution is 8.0.Specification: SpecificationIndustrial gradeLow arsenic gradeAppearanceWhite crystalWhite crystalTotal ... 8Moisture %≤0.2≤0.2Water insoluble matters %≤0.1≤0.1Heavy metal ( base on Pb ) %--≤0.001As ( base on As ) %--≤0.0003Fluoride ...