Content(Ca) / % 32 min P / % 18 min F / % 0.05 max As / % 0.05 max Heavy ... 1004.64,White shapeless powder, odorless, tasteless ,relative density 3.18,hardly soluble in water, easily soluble in dilute hydrochloride , nitric ... nutrient and in manufacturing phosphater salts. 4. Specifications (Ca)% ≥32 (P)% ≥ 18(F)%≤0.05(Pb)%≤0.003(As)%≤0.05Granularity Through ...