质量
meets analytical specification of Ph.Eur., BP, E 503
杂质
residual solvents, complies tar like substances, complies≤0.001% heavy metals (as Pb)≤0.01% non-volatile matter
痕量阴离子
chloride (Cl-): ≤10 mg/kgsulfate (SO42-): ≤30 mg/kgsulfide (S2-): in accordance
痕量阳离子
As: ≤1 mg/kgFe: ≤5 mg/kgHg: ≤1 mg/kgPb: ≤5 mg/kg
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