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- The separation of positional isomers of bromo-alkoxylbenzen with six different polar stationary phase columns was compared. 比较了6种不同极性固定液色谱柱对溴代烷氧基苯类位置异构体的分离效果。
- Keywords Noncrystalline silicon film;flexible glass capillary column;polar stationary phase;gas chromatography; 非晶硅膜;弹性玻璃毛细管柱;极性固定相;气相色谱;
- Keywords capillary gas chromatography;flexible glass capillary column;cross-linking polar stationary phase;noncrystalline silicon film modified column; 毛细管气相色谱法;弹性玻璃毛细管柱;交联极性固定相;非晶硅膜改性柱;
- polar stationary phase 极性固定相
- Quantitative Structure-Chromatographic Retention Relationships of Hydrocarbons on Different Polar Stationary Phases 烃类化合物在不同色谱柱上的定量结构-保留相关性研究
- Most separations are based upon partition mechanisms utilizing chemically modified silica as the stationary phase and polar solvents as the mobile phase. 绝大多数分离是基于分配的机理,使用化学修饰的硅胶为固定相,溶剂为移动相。
- METHODS TLC method was applied,the stationary phase was GF_(254). 方法使用薄层色谱法,以硅胶GF254为固定相。
- Methods:TLC method was applied,the stationary phase was GF254. 方法:使用薄层色谱法,以硅胶GF254为固定相。
- However when the solvent is isopropyl alcohol or non polar solvent the decomposition value of monocrotophos is about 5% in the same condition. 但用异丙醇或非极性溶剂作溶剂时,在相同的条件下,久效磷的分解率为5%25左右。
- Fluorobenzonitrile(4 FBN) was prepared by fluorination of 4 chlorobenzonitrile(4 CBN) with potassium fluoride using 1,3 dimethyl 2 imidazolidone (DMI) as a non polar solvent. 以4氯苯甲腈(4CBN)和无水氟化钾为原料,1,3二甲基2咪唑啉酮(DMI)为反应介质,经氟化反应合成了4氟苯甲腈(4FBN)。
- The influence on separating non polar systems of C4 fractions by extractive distillation with addition of salt in terms of relative volatility at infinite dilution was studied. 以C4为例利用无限稀释相对挥发度的试验测定结果,研究加盐萃取精馏分离非极性体系的影响规律。试验研究表明,溶剂加盐能够提高C4组份之间的相对挥发度,且比一般有机溶剂效果明显;
- New development of ion chromatography stationary phase was reviewed. 介绍离子色谱固定相的最新研究进展。
- The vapor liquid equilibria and critical properties for 10 non polar chain like fluids and 6 associating fluids are investigated by combining the renormalization group (RG) theory and the Yukawa EOS extended for chain like fluids. 结合重整化群 (RenormalizationGroup ;RG)理论和适用于链状流体的Yukawa状态方程 ;研究了 10个非极性链状流体和 6个缔合流体的汽液相平衡和临界性质 .
- This orientation will lead to a higher oxygen concentration in the catalyst layer (O2 has a much higher solubility in non polar backbone) and should produce a much improved ORR performance. 这一方针将导致更高的氧气浓度在催化剂层( O2已经相当高的溶解度在非极性骨干) ,并应产生一个很大的改进奥尔性能。
- Paper chromatography (PC): Type of chromatography using filter paper or other special paper as the stationary phase. 纸色层分析法: 用滤纸或其它特殊纸张来做固定相位的一种色层分析法。
- Application of radial liquid crystalline macromolecules as stationary phase of capillary GC. 星形大分子液晶在毛细管柱气相色谱分析中的应用研究。
- If unclear or unknown of polarity of circuit indication. Non polar capacitor is recommended to be used. 在电路回路中如不清楚或不明确线路的极性时,则建议使用无极性电解容器。
- A new stationary phase which contains Pd for chromatographic column was afforded to analyze the helium component, with TCD gas chromatography method. 针对上述问题,研制了一种新的色谱柱固定相,用于色谱法分析氢中氦组分。
- Paper chromatography (PC): Type of chromatography using filter paper or other special paper as the stationary phase. 纸色层分析法:用滤纸或其它特殊纸张来做固定相位的一种色层分析法。
- Separation of racemic naproxen ester on cellulose-based(CTA) chiral stationary phase. 外消旋萘普生酯在纤维素衍生物手性固定相上的分离