Name | Specifications | Packing | Price | Delivery |
D-(?)-Tartaric acid | AR,99% | 500g | RMB 107.8 | 現(xiàn)貨 |
D-(?)-Tartaric acid | GR,99.5% | 500g | RMB 207.9 | 現(xiàn)貨 |
D-(?)-Tartaric acid | GR,99.5% | 100g | RMB 107.8 | 現(xiàn)貨 |
外觀Appearance 白色結(jié)晶
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity ≥99.0% (中和滴定)
水溶解試驗(yàn)solubility in water soluble 100mg/mL, clear, colorless
水分water ≤3%(K.F)
比旋光度Specific rotation [a]20/D -11.0°~ -13.0°(C=20, H2O)
99.5%,GR:
外觀Appearance 白色結(jié)晶
紅外光譜鑒別Infrared spectrometry Conforms
純度Purity 99.0-101% (中和滴定)
ee值Enantiomeric excess ≥99.5%
純度Purity ≥99.5% (GC)
水溶解試驗(yàn)solubility in water soluble 100mg/mL, clear, colorless
比旋光度Specific rotation [a]20/D -11.0°~ -13.0°(C=20, H2O)
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