Product description: EDTA-Ca-10: Items Specification Appearance White powder Content(C10H12N2O8CaNa2) ≥99% Chelated Ca ≥10% PH(1% water solution ) 6.5-7.5 Water insoluble ≤0.1% Application Scope:It is applied as trace elements in agriculture, and as coloring agent and food additive in food industry.