catalyzed by insoluble rare earth salts of heteropoly acid, butyl acetate have been synthesized from butanol and acetic acid.
用乙酸和正丁醇为原料,以不溶性杂多酸稀土盐为催化剂合成了乙酸丁酯。
taking the synthesis of butyl acetate by the catalytic esterification of acetic acid and butanol as a probe reaction, a series of studies on the preparation of the catalyst and its activity was made.
以乙酸和正丁醇催化酯化合成乙酸丁酯为探针反应,对氧化铌负载型催化剂的制备与催化活性进行了一系列研究,得出了优惠工艺条件。
the application of compressional heat pump in butyl acetate production was studied in this paper. the thermal and economical property of the system was analysed.
本文对压缩式热泵在醋酸丁酯酯化工艺中的应用进行的探讨,分别就系统的热力性能和经济性进行了分析。
a study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst. the optimum conditions were chosen by the experiments.
研究了以氨基磺酸为催化剂,催化合成乙酸正丁酯和乙酸异丁酯的工艺过程,实验确定了其优惠反应条件。
spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent.
以硫氢酸铵络合钴离子,随后用乙酸丁酯进行萃取,利用分光光度法测量光亮镀镍溶液中的钴离子。
result:organic poisons such as benzene, xylene, methylbenzene, ethyl acetate and butyl acetate could be separated effectively by column ffap, the ralative standard deviation of the method was 1.
目的:研究一个能同时测定空气中苯、甲苯、二甲苯、乙酸乙酯、乙酸丁酯等有机毒物的检测方法,用以对新装修旅店客房有机毒物含量分析。
method: tlc method was used for identification with silica gel g plate and butyl acetate formic acid water (7∶2.5∶2.5) upper layer as a developing solvent.
方法:薄层色谱法鑒别,采用以羧甲基纤维素钠为粘合剂的硅胶g薄层板,以醋酸丁酯甲酸水(7∶2 .5∶2.5 )上层溶液为展开剂;
the synthesis of butyl acetate with butyl alcohol and acetic acid as reactants and vitamin c as a catalyst has been studied.
将维生素c作为催化剂进行了合成乙酸丁酯的研究。
objective] to establish gas chromatographic method for butyl acetate in workplace air.
[目的 ]建立工作场所空气中乙酸丁酯的热解吸气相色谱测定方法。
synthesis experiments of butyl acetate were done used ammonium ferric phosphate hydrate as catalyzer, and application of uniform experimental design as well as data mining technology we.
在十二水合硫酸铁铵存在下,由马来酸酐与乙醇合成了马来酸二乙酯,研究了反应的影响因素和催化剂的重复使用性能。
objective:to build a gc-method for determining the content of n-butanol and butyl acetate in penicillin raw powder.
前言:目的:建立一种方便快捷的方法测定青霉素钾盐原料药中残留溶剂正丁醇、乙酸丁酯的含量。
objective] to establish gas chromatographic method for butyl acetate in workplace air.
建立工作场所空气中乙酸丁酯的热解吸气相色谱测定方法。
acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-a polycarbonate (bapc) film.
采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚a聚碳酸酯(bapc)进行诱导结晶。
butyl acetate was synthesized from acetonitrile and butanol by one-step method.
以丁醇和制备丙烯腈的副产物乙腈为原料,采用一步法合成了乙酸丁酯。
results:the extraction yields of methyl acetate, ethyl acetate and butyl acetate extracting solvents in single-stage extraction were 33.55%, 29.53%and 17.18%, respectively.
结果不同萃取剂单级萃取的萃取率大小顺序为乙酸甲酯>乙酸乙酯>乙酸丁酯,分别为33.55%、29.53%、17.18%;