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- AIM To study the synthesis and determination for enantiomeric purity of 6 fluoro L 3,4 dihydroxyphenylalanine (6 fluoro L DOPA, 6 FDOPA). 目的 合成 6 氟 L 多巴 (6 FDOPA) ,并测定其对映纯度。
- By the semi-preparative separation on Shim-Pack CLC-ODS column, the enantiomeric purity was greater than 99% for each of (R)-and (S)-propranolol. 对心得安对映体的半制备色谱拆分规律作了新的探讨.;确定了用 Shim-pack CLC-ODS柱进行半制备色谱拆分的最佳条件;得到的光学异构体纯度在99%25以上
- Determination of the enantiomeric purity of 18FDOPA by HPLC method using a chiral mobil phase and reversed-phase C18 column was described. 为在临床上安全有效地使用18FDOPA,对合成的18FDOPA进行了较系统的质量控制研究,并建立了手性流动相HPLC法测定18FDOPA对映纯度,合成的18FDOPA各项质控指标符合药典的要求。
- The increasing need of compounds with high enantiomeric purity requires catalysts with an improved and controlled performance. 当前对高对映体纯物质的需求越来越大，这就对催化剂提出了更高的要求。
- In this method, the quantitative determination of the enantiomeric purity combines fluorescence spectra, BSA guest-host complexion, and chemometric modeling. 这部分工作为手性化合物的痕量分析，以及环境中少量手性污染物的检测等提供了新的分析测定手段。
- Keywords sec butylamine;resolution;enantiomeric purity; 仲丁胺;拆分;光学纯度;
- Preparative Resolution and Enantiomeric Purity Assessment of sec-Butylamine 手性仲丁胺的制备拆分和光学纯度的测定
- SYNTHESIS AND DETERMINATION FOR ENANTIOMERIC PURITY OF 6-FLUORO-L-DOPA 6-氟-L-多巴合成及其对映纯度测定的研究
- Studies on the Utility of Chiral Reagent TMPEA for Measuring of Enantiomeric Purity of Chiral Ketones 手性试剂TMPEA用于手性酮对映体纯度测定的研究
- The Determination of Enantiomeric Purity of 2-(4-Chlorophenyl)-3-methylbutanoic Acid by HPLC 王敏，吴景平，梁晓梅， HPLC法测定2-（4-氯苯基）-3-甲基丁酸的光学纯度
- Determination of Enantiomeric Purity for Lactic Acid in Fermentation Broth by Rhizopus Oryzae with High Performance Liquid Chromatography 高效液相色谱法测定米根霉乳酸发酵液中乳酸的光学纯度
- Chiral Lanthanide Shift Reagent-Nuclear Magnetic Resonance Method for Determination of Enantiomeric Purity of Arylphenoxypropionate Herbicides 手性镧系位移试剂核磁共振法测定芳氧丙酸酯类除草剂对映体纯度
- enantiomeric purity 对映体纯度
- Chinese people regard lotus as an emblem of purity. 中国人把莲花看作是纯洁的象征。
- We must ensure the purity of drinking water. 我们必须确保饮用水的纯净。
- Lenin fought stubbornly for the purity of Marxist theory. 列宁顽强地为维护马克思主义学说的纯洁性而战斗。
- It's a soprano of great compass and of great purity. 这是一种音域宽广，高度纯正的女高音。
- Whiteness is emblematic of purity. 白色是纯洁的象征。
- Something added that lowers value or purity. 掺杂物，杂质能使原物降低成色、纯度的添加物
- The purity in the water supply is very important. 供水的纯净是非常重要的。
