acetate

Tin tetrachloride can be used as catalyst for esterification reaction instead of sulfuric acid and it shows fine catalytic effect for the synthesis of iso amyl acetate, n amyl acetate and n butyl acetate. The yield can all get to 90% at reaction for 1 h.

四氯化锡取代浓硫酸作为酯化催化剂，在乙酸异戊酯、乙酸正戊酯、乙酸正丁酯的合成中显示出很好的催化效果，反应1h产率都可达90%以上。

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They were: Isoamyl acetate, 1-Hexanol, Caprylic acid, Ethyl caprate,β-Phenylethyl alcohol, Isobutyl alcohol, Ethyl acetate, 2-Phenylethyl acetate, Isoamyl alcohol.

它们是：乙酸异戊酯、1-己醇、正辛酸、癸酸乙酯、β-苯乙醇、异丁醇、乙酸乙酯、乙酸苯乙酯、异戊醇。

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OBJECTIVE To establish a rapid and exclusive method for the identification of medroxyprogesterone acetate tablets.

目的建立醋酸甲羟孕酮片红外光谱鉴别方法.

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The effect of vinyl acetate ( VAc ) polymerization of acrylamide ( Am ) was studied.

探讨了 醋酸乙烯酯 在丙烯酰胺聚合反应中的影响.

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Its best carbon source is sodium acetate and best nitrogen source is ammonium chloride.

它的最佳的碳源是钠醋酸盐,并且最佳的氮气来源是卤砂.

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The matrix aurum was extracted by ethyl acetate. The containing gold ethyl acetate was added into bismuth standard solution as matrix modifier, so as to match the sample, and determined by Graphite Furnace Atomic Absorption Spectrometry.

以乙酸乙酯萃取样品中基体金，将萃取样品后的含金的乙酸乙酯作为基体改进剂加入到铋标准溶液中，使得标准与样品的基体组成匹配，用石墨炉原子吸收法测定水相样品中的铋。

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The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.

对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.

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It is expected that grafting modification to starch acetate by a class of vinyl monomer or two kinds of monomers is a developing orientation of starch acetate.

展望了用乙烯基类单体或两种单体对淀粉进行接枝改性是淀粉醋酸酯的一个发展方向。

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Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the first time.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯.

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Reaction mechanism was studied and reaction principles to polymerize vinyl acetate were also introduced briefly.

对醋酸乙烯聚合反应原理作了简介.

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Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 酸乙酯和正丁醇的混合溶剂.

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Result showed that the yield propyl acetate reached 89.6 %.

结果表明,在最佳反应条件下,酯收率达89.6%.

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And research of thermal stabilizer on zinc acetate-stearic acyloxy and zinc acetate-stearic acyloxy plus calcium stearate by means of test method for thermal aging and Congo red test paper etc is given in the paper.

以硬脂酸锌作为对照物，通过热老化箱实验法、刚果红试纸法等多种方法对硬脂酰氧基乙酸锌及硬脂酰氧基乙酸锌/硬脂酸钙进行了热稳定性的研究。

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Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate.

目的研究硫酸铈在合成乙酸丁酯工艺中的催化性能.

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Cellulose Acetate The first commercial membranes for reverse osmosis and ultrafiltration were made from cellulose acetate.

纤维素醋酸酯第一个商业用反渗透膜和超滤膜是由纤维素醋酸酯制成.

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The dynamic equilibrium data of methyl acetate on Calgon AC could be correlated by Freundlich equation.

由动态吸附数据计算得到的醋酸甲酯的平衡数据,用Freundlich方程进行了关联.

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The CdS thin films were uniform and smooth, and there were no white flecks in them at all when cadmium acetate and ammonium acetate were used to deposite CdS thin films.

当镉盐和铵盐分别采用乙酸镉和乙酸铵时，生成的薄膜均匀、平整，薄膜中根本就不存在所谓的白斑。

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The kinetics of mierosuspension polymerization reaction of vinyl acetate was investigated.

采用微悬浮法合成聚醋酸乙烯酯,对其聚合反应的动力学进行了研究.

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Polyvinyl acetate is frequently modified by copolymerization.

共聚改性是聚醋酸乙烯酯常用的改性方法.

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In this paper, air oxidation synthesis of copper acetate has been studied.

介绍了在空气氧作用下,由铜屑和醋酸直接反应生产醋酸铜的方法.

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Aim To discern the false from the genuine of Dexamethasone Acetate Tablets.

目的分析醋酸地塞米松片伪品的质量状况.

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Fig. 5 Variation of furfural calibration curves in aniline acetate colorimetric method.

图5醋酸苯胺比色法,糠醛标准校正线之变化.

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Certain plastic materials, as cellulose acetate , which is used for photographic film, are called thermoplastic materials.

有些塑胶材料, 像照相胶卷上用做醋酸纤维素, 叫做热塑料材料.

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OBJECTIVE : To study pharmacological effects of bornyl acetate, the main ingredient of Amomum villosum volatile oil.

目的: 研究砂仁挥发油主要成分乙酸龙脑酯的药理作用.

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Methyl Proxitol Acetate is in general a good replacement Methyl Oxitol Acetate and Ethyl Oxitol Acetate.

一般而言,丙二醇甲醚醋酸酯可取代乙二醇甲基及乙基醚醋酸酯作溶剂之用.

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Acetic acid salt : calcium acetate, sodium acetate, zinc acetate , potassium acetate.

醋酸盐系列: 醋酸钙, 醋酸钠,醋酸钾,醋酸锌, 醋酸镁等.

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To develop a specific method to detect the Prednisone Acetate mixed into drug.

建立检测制剂中非法掺入的醋酸泼尼松专属性方法.

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The Benzyl acetate was prepared from benzyl chloride and sodium acetate by phase transfer catalysis.

实验以氯化苄、醋酸钠为原料,研究了在相转移催化剂的存在下,一步反应制得乙酸苄酯的合成工艺.

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By considering the high energy consumption in conventional n-butyl acetate production, a heat pump technique was proposed to be used in n-butyl acetate production, and a new flow sheet for n-butyl acetate production with heat pump distillation was developed.

针对常规醋酸丁酯生产工艺能耗高的特点，提出将热泵精馏应用于醋酸丁酯生产，开发出醋酸丁酯热泵精馏新工艺。

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The ethyl acetate is synthesized in reaction distillation column with acid natural zeolite as catalyst.

以酸性天然沸石为催化剂,在催化反应精馏塔中进行了合成乙酸乙酯的研究.

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