46458 葡萄糖，一水 USP,药用级 500g 85

品级Grade 98% 外观Appearance 白色颗粒性粉末 红外光谱鉴别Infrared spectrometry 和对照品匹配 纯度Purity(sum of enantiomers） ≥98.0% (HPLC) 比旋度Specific rotation [a]20/D +52.5～ +53.0°(C=2, 5mol/L HCl) 灼烧残渣ign. residue ≤0.1% (as SO4) 干燥失重drying loss ≤9.5% 硫酸盐sulfate ≤0.01% 铁Fe ≤5 ppm 重金属Heavy metals ≤5 ppm 砷盐As ≤0.1 ppm 品级Grade USP,药用级 鉴定试验Identity Pass Per Current USP 溶解试验Solubility Pass 比旋光度Specific Rotation (dry basis) 52.6 - 53.2 ° 酸度Acidity ≤0.30 mL of 0.020 N NaOH used 干燥失重Loss on Drying 7.5 - 9.5 % 灼烧残渣Residue on ignition (Ash) ≤0.1 % 氯化物Chloride Content ≤0.018 % 硫酸盐Sulfate (SO4) ≤0.025 % 重金属Heavy Metals ≤5 ppm 砷Arsenic (As) ≤1 ppm 葡聚糖Dextrin Pass 可溶性淀粉Soluble Starch, Sulfites Pass 溶液残留Residual Solvents USP Meets Requirements

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