品级Grade 优级纯
(GR, ≥99%)
外观Appearance white powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity(GC) ≥99.0%
水溶解试验solubility in water clear colorless solution at 2 g in 15 ml of water
比旋光度Specific rotation [a]20/D +52.0°~ +53.0°(C=10 in 0.2% ammonium hydroxide)
ACS级
项目名称 ACS Grade
比旋光度[α]25D℃ Specific rotation +52.5°~+53.0°
水不溶物Insoluble matter ≤0.005%
干燥失重Loss on drying ≤0.2%
灼烧残渣Residue after ignition ≤0.02%
可滴定酸Titrable acid ≤0.002meq/g
氯化物(Cl)Chloride ≤0.01%
硫酸盐
和亚硫酸盐(SO4)Sulfate and sulfite ≤0.005%
淀粉starch ≤Passes test
重金属(以Pb计)Heavy metals(as Pb) ≤5ppm
铁(Fe)Iron ≤5ppm
品级Grade 细胞和昆虫细胞培养级, ≥99.5%
(for cell culture,for insect cell culture, ≥99.5%)
外观Appearance white powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity ≥99.5% (GC,total glucose)
水溶解试验solubility in water clear colorless solution at 2 g in 15 ml of water
比旋光度Specific rotation [a]20/D +51.0°~ +55.0°(C=10 in 0.2% ydroxide, 25°C)
细胞培养测试Cell culture test PASS
昆虫细胞培养测试Insect cell test PASS
品级Grade 植物细胞培养级, ≥99.5%
(for plant cell culture, ≥99.5%)
外观Appearance white powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity ≥99.5% (GC,total glucose)
水溶解试验solubility in water clear colorless solution at 2 g in 15 ml of water
比旋光度Specific rotation [a]20/D +52.0°~ +53.0°(C=10 in 0.2% , 25°C)
植物细胞培养测试plant cell culture test pass