TEST STANDARD RESULT Characteristics White crystalline powder Conforms Identification AR Conforms Solubility Conform Conforms Related substance Chloride ≤0.005% <0.005% Sulfate ash ≤0.03% <0.03% Iron(Fe) ≤0.01% 0.00982% Heavy metals ≤20ppm 18.0ppm Assay(C2HCl2NaO2) ≥99.0% 99.01% Standard: Complies with the enterprise standard.