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- trifluoroacetic anhydride (TFAA) 三氟醋酐
- Keywords gas chromatography;fenfluramine hydrochloride;trifluoroacetic anhydride;derivatization; 气相色谱法;盐酸芬氟拉明;三氟乙酸酐;衍生化;
- TFAA(trifluoroacetic anhydride) 三氟醋酐
- trifluoroacetic anhydride 三氟乙酸酐
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐；
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- N-phenyl maleimide was synthesized from maleic anhydride and aniline. 摘要以顺酐和苯胺为原料，合成N-苯基马来酰亚胺。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
- A polyamide imide was synthesized from trimelltic anhydride and di isocyanate. 本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺。
- A copolymer has been synthesized from acrylic acid and maleic anhydride. 以丙烯酸和马来酸酐为原料合成出了一种共聚物。
- Poly(PEG(1)-adipic anhydride(2)) was synthesized by melt polycondensation. 采用熔融缩聚法合成了PEG(1)-己二酸酐(2)聚合物。
- OBJECTIVE To study the feasible synthesis method of poly-sebacic anhydride. 目的研究聚癸二酸酐适宜的合成方法。
- The endo anhydride method is the main process in chemical synthesis today. 化学合成法中的内酐法为现阶段的主要生产方法;
- Acid and anhydride functionalized PP, PE and EVA forms are available. 酸或者酸酐功能化PP、PE和EVA等形式都是有的。
- Trifluoroacetic acid (TFA) is a commonly used ion-pair reagent in RP-HPLC to improve peak shape and enhance separation efficiency of peptides. 在逆相液相层析分离胜肽上常会添加少量的三氟醋酸(TFA)，利用它与带正电的胜肽有离子对效应，会提升胜肽的疏水性，进而增加胜肽与静相之间的作用力，使分析物层析峰较对称，解析度较高。
- To trifluoroacetic acid as a catalyst, in solvent-free under the condition of the THC for three cyclopentadiene isomerization. 以三氟甲磺酸为催化剂，在无溶剂的条件下对四氢三环戊二烯进行异构化反应。
- Using trifluoroacetic acid and acetonitrile as the mobile phase,underivatized L-theanine in six categories of tea extracts were analyzed by HPLC-PDAD. 以0.;05%25三氟乙酸和50%25乙腈为流动相;应用HPLC-PDAD建立了茶叶中未衍生化L-茶氨酸的分析方法。
- Diacetone acrylamide was synthesized with acrylonitrile and acetone as raw material and with trifluoroacetic acid and concentrated sulfuric mixed acid as catalyst. 以丙烯腈和丙酮为原料,探索以三氟乙酸和浓硫酸组成的混酸作催化剂合成双丙酮丙烯酰胺工艺。
