... customers requirementAppearance: white crystalline granule or powderApplication:1, In the medicine field, it can keep the balance of acid and alkali in ... content% ≥ 98 Loss on dry ,% ≤ 0.50 Heavy metals ,μ g/g ≤ 10 Sulfate ,% ≤ 0.05 Chloride ,% ≤ 0.07 Reduzate ,% ≤ 0.07 Pb ,μ g/g ≤ 2 Sodium Gluconate