... ADKP, K2HPO4, TG/FG,98.0%min,P2O5: 40.0%min,K2O: 53.0%min,PH:8.0-9.0 ADKP FOR U ADKP Dipotassium phosphate ... ,as K2O % min53.053.0PH of 1% water solution . 8.0-9.08.0-9.0Water insoluble, % max0.10.05Heavy metals,as Pb. % max ... ------0.001Arsenic,as As. % max------0.0003Fluorde,as F. % max------0.002Sieve test(Through ...