Two-phase solvent sy stems in HSCCC are summarized.
总结了应用于HSCCC的两相溶剂体系。
Needle filter, for example, chromatographic sample bottles, mobile phase solvent filter device such as a biochemical experiments.
例如,针头式过滤器,色谱进样瓶,流动相溶剂过滤器等生化试验研究装置。
The results showed that it was a simple method with good reproducibility and high recovery rate in determining gossypol content in methanol phase from two-phase solvent extraction.
结果表明,该方法具有简便、重复性好、回收率高等优点,可用于双液相浸取棉仁的甲醇相中棉酚含量的测定。
METHODS Using the technology of HSCCC, research and discuss a new preparative method of Huperzine A by searching a suitable two-phase solvent system and relative technical parameters.
方法利用高速逆流色谱技术,通过寻找合适的两相溶剂体系及工艺参数,研究及讨论石杉碱甲分离制备的新方法。
High-level cottonseed oil, gossypol-free cottonseed meal and methanol phase abundant in free gossypol (FG) could be obtained by the leaching process with a two-liquid phase solvent (TPS) system.
用双液相溶剂(TPS)浸取棉仁可得到棉油、无毒饼粕及富含游离棉酚(FG)的甲醇相。
The calculation results show that the reaction mechanism in solvent is consistent with that in gas phase.
计算结果表明,在溶剂中的反应机理与在气相中的反应机理一致。
Conventional organic sample preparation methods, such as liquid-liquid extraction and solid phase extraction, are time and solvent consuming, and often involve several complicated procedures.
传统的有机物样品分析前处理方法主要有液-液萃取、固相萃取等方法,这些方法具有耗时长、操作繁琐、且需要大量有机溶剂等缺点。
There are many advantages which the ordinary CEC method doesnt have by using the pure organic solvent as mobile phase.
它以纯有机溶剂作电色谱流动相,具有许多水溶液电色谱所不能比拟的优点。
Applied some kinds of carboxylic acid as solvent, a series of malachite green-boric acid reversible thermochromic paints were prepared by solid phase synthesis method.
选用羧酸类溶剂,采用固相法合成了孔雀石绿-硼酸系列可逆热致变色材料。
When modification graft before emulsion dispersion in solvent was adopted, micro phase separation of soft and hard segments in molecular chains was enhanced greatly and its thermo-stability improved .
而采用在溶剂相中改性接枝再乳化分散的方式,分子链中软硬段的微相分离加剧,热稳定性提高。
This paper chose some kinds of carboxylic acid as the solvent and a series of crystal violet-boric acid reversible thermochromic paints were prepared by solid phase synthesis method.
选用羧酸类溶剂,采用固相法合成了结晶紫-硼酸系列可逆热致变色材料。
In order to develop a new solution crystallization process to separate the eutectics of musk ketone and musk xylene, the ternary phase diagrams of musk ketone, musk xylene and solvent were calculated.
为了开发低共熔组成酮麝香、二甲苯麝香混合物溶液结晶新过程,计算得到酮麝香、二甲苯麝香、溶剂三元相图。
Through the screening and assembling of solvent, and surfactant, the optimum formulation of 10% chlorfenapy EW was developed as following by the phase transfer-method.
本试验采用相转移法,通过对溶剂、表面活性剂的筛选和配伍,确定了10%溴虫腈水乳剂的最优配方为溴虫腈质量分数为10%;
An organically modified clay compound is dispersed to a solvent and a printing ink matrix resin is added into the mixture at the same time to form printing ink having a phase delay function.
将有机改性的粘土类复合物分散到溶剂中,同时加入油墨基体树脂形成具有相位延迟功能的油墨。
ConclusionUsing aqueous solution of KH2PO4 as mobile phase of reverse phase liquid chromatography, water was the suitable solvent to the extract.
结论以KH2PO4水溶液为反相色谱法的流动相时,用水作为试样的溶剂较适宜。
Three new methods of preparing samples were reviewed, including solid phase microextraction (SPME), extraction with supercritical CO2 fluid and solvent assisted flavor evaporation (SAFE).
综述了三种新的样品制备技术,固相微萃取(SPME)、超临界二氧化碳萃取和溶剂辅助的香料蒸馏技术(SAFE)。
XRD and TEM analyses show that the phase purity, crystallization and particle sizes of synthesized powders increase with the increase of the dielectric constant and polarity of the solvent.
XRD和TEM分析表明,随着溶剂介电常数和极性增加, 所生成产物的物相纯度、结晶度增高,晶粒尺寸增大。
Crystallization from solution is a complex multi-phase transfer process of heat and mass, in which the composition of solvent plays a very important role.
溶液结晶是一个比较复杂的多相传热、传质过程,溶剂组成在其中起着重要的作用。
The effect of solid particle content in feeding liquid on phase disengagement and interfacial emulsion in copper solvent extraction is studied.
研究了铜溶剂萃取时,萃原液中固体微粒含量对分相和界面乳化的影响。
For silica-based normal phase chromatographic columns a solvent washing system with increased polarity is effective.
硅胶基质正相色谱柱用极性逐渐增强的溶剂系统冲洗;
These datas lay a foundation for the separation and recovery of mixed dibasic acids by solvent method and related solid-liquid phase equilibrium research.
该系列溶解度数据的测定为溶剂法分离回收混合二元酸的工业化生产提供了基础数据,也为相关固液相平衡研究奠定了基础。
Compared with the method of single-eluting solvent, this method increased the selectivity of fixed phase to phospholipid, moreover there are no toxic residue in the final products.
该方法与单一溶剂洗脱相比,增加了固定相对磷脂的选择性,而且在终产物中无毒性物质残留。
Ethyl acetate displayed not only as a solvent for two-phase reaction, but also as a pro-reducing (agent).
乙酸乙酯不仅作两相反应的溶剂,而且也提供还原剂乙醇。
Results showed clearly that p-xylene had good biocompatibility as organic solvent in the two-phase system, its relative amount was 15%.
研究表明,二甲苯作为两相中的有机溶剂具有较好的生物相容性,加入量在总体积分数的15%;
Moreover, PLA porous microspheres were fabricated by solution induced phase separation based on emulsion-solvent evaporation.
在此基础上,采用乳化溶剂挥发法和液致相分离相结合制备了聚乳酸多孔微球。
Fluorobenzoic acids were prepared from fluorotoluenes through liquid phase air oxidation with acetic acid as solvent and Co~(2+)-Mn~(2+)-1, 1,2,2-tetrabromoethane as catalyst.
从氟代甲苯出发,以醋酸为溶剂,采用液相空气氧化法,在钴锰盐和1,1,2,2-四溴乙烷催化体系存在下,合成了氟代苯甲酸,采用升华方法进行精制。
The optimal extraction conditions and HPLC chromatographic conditions were confirmed by investigating the extracting solvent, mobile phase type and maximum absorption wavelength.
对提取试剂、流动相条件、最大吸收波长进行了研究,确定了最佳提取方法及色谱条件。
Few successful processes have used the very large amounts of solvent needed to avoid high viscosities in the continuous phase, although this approach is sometimes used for laboratory preparations.
少量成功的工艺使用大量的溶剂以避免连续相的高粘度,尽管这与实验室制备有时使用的方法接近。
An evident macro-phase separation between SEBS and PMMA blend and a micro-phase separation in SEBS copolymer were observed simultaneously in the blend film spin-coated from chloroform solvent.
结果表明,用共混物的氯仿溶液旋转涂膜,可见明显的共混物的宏观相分离和SEBS的微观相分离形态。
An evident macro-phase separation between SEBS and PMMA blend and a micro-phase separation in SEBS copolymer were observed simultaneously in the blend film spin-coated from chloroform solvent.
结果表明,用共混物的氯仿溶液旋转涂膜,可见明显的共混物的宏观相分离和SEBS的微观相分离形态。
应用推荐