Product Description

Quality index： 1. Appearance： white crystalline powder 2. Identification： positive reaction 3. Assay： ≥*9.0% 4. PH ： 3.**5.0 5. Melting point： *5.***0.0�C 6. Heavy meatl： ≤0.**2% 7. Ferric salt： ≤3ppm 8. Sulfate： ≤0.*1% 9. Residue on ignition： ≤0.1% *0. Loss on dry： ≤0.5% Storage and packing： 1.Storage：It should be stored in dry, cool and airiness place, avoid insolation and moisture, keep it far away from metal ions. 2.Packing：*5kg net weight in double-layer PE bag in carton with N2 for protection.