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- Keywords butyl acetate;ceric sulfate;catalysis;synthesis; 乙酸丁酯;硫酸铈;催化;合成;
- 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。
- 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。
- Both isopropyl acetate and butyl acetate as azeotropic agent are contrast to each other according to operational data. 对采用乙酸正丁酯和乙酸异丙酯作夹带剂时的操作进行了综合比较。
- Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film. 摘要采用丙酮、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。
- Meanwhile, the ability of butyl acetate to induce BAPC to crystallize is inferior to that of acetone and tetrahydrofuran with the result of smaller crystallinity and crystal size. 乙酸丁酯的诱导能力更弱一些，结晶度和晶片厚度均小于丙酮和四氢呋喃的诱导结果。
- The quality characteristic of butyl acetate was introduced. Advances in research on synthesis of butyl acetate at home were summarized. The esterifying catalysts were classified. 摘要介绍了乙酸正丁酯的性能特点以及合成方法，对国内目前合成乙酸正丁酯的进展情况进行了综述，并对酯化反应催化剂进行了分类比较。
- Activated carbon fibre was selected through tests as an optimum adsorbent for butyl acetate in gas.The main factors affecting the adsorption performance were studied. 通过试验选择活性炭纤维作为吸附剂，吸附气体中醋酸丁酯。对影响其吸附性能的主要因素进行了研究。
- 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。
- 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。
- Has been operating probucol ester, acrylic acid, a methyl ester, the butyl acetate, the ammonium sulfate, Ye Jian, such as hydrochloric acid, annual sales of 50 million yuan. 一直经营丙丁酯、丙烯酸、甲甲酯、二丁酯、醋酸乙烯、过硫酸铵、液碱、盐酸等，年销售额5000万元。
- Keywords gas chromatography;butyl acetate;dimethylbenzene;benzene; 气相色谱法;醋酸丁酯;二甲苯;苯;
- The adsorption process of n butyl acetate in a packed bed of activated carbon fiber is studied. The adsorption rate equation and the adsorption order and adsorption balance constant of Freundlich adsorption isotherm equation are obtained. 研究了醋酸丁酯在活性炭纤维床层中的吸附过程 ,获得吸附速率方程和 Freundlich吸附等温方程的吸附级数、吸附平衡常数。
- The extracting ability of several organic solvents such as ethyl acetate, butyl acetate, glycerol triacetate, iso amy lacetate, and n butanol, was compared, and it was found that ethyl acetate was a good kind of organic solvent. 比较了几种不同的有机溶剂 :正丁醇、乙酸丁酯、乙酸乙酯、三乙酸甘油酯、乙酸异戊酯等的萃取能力 ;发现乙酸乙酯是一种理想的提取溶剂 .
- Keywords Butyl rubber;Sealant;Application; 丁基橡胶;密封胶;应用;
- By using this method, sensitivity and accuracy had been enhanced, linear relationship of standard curve had been improved and utilization ration of butyl acetate also had been raised. 运用该方法测金,提高了灵敏度和准确度,改善了标准曲线的线性关系,同时也提高了乙酸丁酯的利用率。
- Keywords Butyl butyrate synthesis catalytic system; 丁酸丁酯;合成;催化体系;
- Additionally, the compounds such as juice of cushaw, juice of cucumber, ethyl butanoate, ethyl propionate and butyl acetate at a volume of 1.0, 3.0, 0.1, 0.05 and 0.5 mL acts as oviposition-lured. 结果表明，南瓜、黄瓜、丁酸乙酯、丙酸乙酯和乙酸异丁酯在瓜实蝇幼虫人工饲料中添加量分别为1.;0、3
- Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. 以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸2乙基己醇酯,其收率都在90%25以上。
- By using tetrabutyl titanate as catalyst, butyl acetate is prepared. Experimental parameters are discussed. Under the optimum reaction condition, the yield of butyl acetate is about 73%. 采用非酸催化剂钛酸四丁酯催化乙酸与正丁醇的酯化反应;考察了影响反应的各种因素。结果表明钛酸四丁酯具有良好的催化活性。最佳条件下;酯产率达到73.;3%25。
