1.SHMP 68% food grade 2.ISO,CIQ,COA,SGS,BV Certificate 3. ... : No Specification Industrial grade Food grade 1Total phosphate, as P2O5 %≥ 68.0 68.0 2Inactive phosphate,as P2O5%≤ 7.5 7.5 3 Iron ... , as Fe %≤ 0.05 0.05 4 pH of 1% water solution 5.8-7 ... Arsenic, as As %≤ - 0.0003 8 Fluoride, as F %≤ - 0.003 9 Water insoluble %≤ 0.05 0.06 2012 new arrival SHMP 68% food grade