... 5. Can form soluble chelate with metallic ions such as Ca, Ba, Mg, Cu and Fe ItemTech GradeTotal phosphate (as ... ) PH Value5.8-7.3Packing: 25kg plastic bag with PE inside and PP woven outside; 22MT/20'FCLUse: Technical grade: ... agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent; Low price and hot sale Sodium Hexametaphosphate (SHMP)