性状描述:
| 白色结晶或颗粒状粉末。味甜,易溶于水,微溶于醇和丙酮,不溶于醚。甜度是蔗糖的0.74倍。1g溶于约1ml水,约60ml乙醇。 熔点:149-152℃ 比旋光度[α]20D 53 ° (C=10, H2O) |
质量标准:
| HG/T 3-1094-77 项目Item 分析纯 化学纯 (AR) (CP) 比旋光度Specific rotation,[α]d20 +52.5˚~+53˚ +52.5˚~+53˚ 澄清度试验Clarity 合格 合格 炊烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.05 0.05 干燥失重Dring loss,% ≤ 7.0~9.0 7.0~9.0 酸度Acidity 合格 合格 氯化物(Cl)Chloride,% ≤ 0.002 0.006 硫酸盐(SO4)Sulfale,% ≤ 0.004 0.004 钙(Ca)Calcium,% ≤ 0.002 0.002 铁(Fe)Iron,% ≤ 0.0005 0.001 重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.0005 糊精Dextrin 合格 合格 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% ammonium hydroxide, 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% ammonium hydroxide, 25°C) 植物细胞培养测试plant cell culture test pass |
储存条件: 密封保存。
用途: 生物培养基。金属还原剂。滴定硼酸的络合物形成剂。微量分析。测定全血葡萄糖。