commodity: sodium triplyphosphate food grade

white powder and granule

stpp content: 95 min
P2O5 content more than 56 less than 58
water insoluble: 0.1w/% max
fluoride: 50 mg/kg max
arsenic: 3 mg/kg max  
heavy metal: 10mg/kg max   
lead: 4 mg/kg max
package in 25 bag each net

sodium acid hexamata phosphate 

sodium pyrophosphate
sodium hexamata phosphate
phosphate acid
citrict acid anhydrous
citrict acid monohydrate