GCS  /   AR /  药用级

项目Item                                                     分析纯                        化学纯
                                                                         (AR)                        (CP)

铁(Fe)Iron,%                                                ≤ 0.00005         0.0002
钡及锶(以Ba计)Barium and Strontium,%     ≤ 0.001           0.003
重金属(以Pb计)Heavy metals,%                  ≤ 0.0001          0.0003
还原糖Reducing sugar,%                                 ≤ 0.05            0.1
比旋光度([α]_D²⁰)Sepecific rotation        +66.40～66.60   +66.40～66.60
水溶液反应Water sulution reaction                     合格            合格
澄清度试验Clarity                                               合格            合格
水不溶液lnsoluble matter in water,%                  ≤ 0.005           0.02
氯化物(Cl)Chloride,%                                         ≤ 0.002           0.004
硫酸盐(SO₄)Sulfate,%                                         ≤ 0.02            0.04