外观 APPEARANCE 白色结晶粉末 WHITE CRYSTALLINE POWDER 白色结晶粉末 WHITE CRYSTALLINE POWDER 含量 ASSAY(ON DRY BASIS) 98.5%~101.5% 99.2% 液体透光率 Transmittance,% ≥98% 98. 5% 比旋光度(α)20D SPECIFIC ROTATION +14.0°~+15.6° +14.8° 干燥失重 LOSS ON DRYING ≤0.20% 0.12% 灼烧残渣 RESIDUE ON IGNITION ≤0.1% 0.08% 氯化物Chloride(Cl) ≤0.20% Confirm 重金属(以Pb计) HEAVY METAL ≤15ppm Confirm 铁含量Iron (Fe) ≤30ppm Confirm
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