1,MKP Compound Fertilizer 2,Mono Potassium Phosphate MKP CAS7778-77-0 3,For Food&Industry 4,Factory ... % Max0.10.045Heavy metal(as per Pb),% Max 0.0010.0007Arsenic(as per As),% Max0.00030.0002Fluoride,% ... ) used as a basic raw materials for N.P.K compound fertilizer, such as a partial potassium ... dihydrogen phosphate to make phosphorus content is around 1.16%-1.37%,the growth rates of the fish ,shrimp ...