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- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂,但这种催化剂有许多缺点。
- sulfuric acid catalyst 硫酸催化剂
- upported sulfuric acid catalyst 负载硫酸催化剂
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- N-Benzylacryl amide (N-BAA) was synthesized using acrylonitrile and benzyl alcohol as raw materials and sulfuric acid as catalyst. 以丙烯腈和苯甲醇为原料,浓硫酸作催化剂,合成了N-苄基丙烯酰胺(N-BAA)。
- Sulfamic acid instead of sulfuric acid as a catalyst for synthesis of dibutyl maleate was reported. 用氨基磺酸催化合成了顺丁烯二酸二丁酯,酯收率为94%25。
- Poplar (Populus spp.) wood meal was liquefied by phenol in the presence of sulfuric acid as a catalyst. 在硫酸催化作用下,用苯酚对中国人工林杨树木粉进行液化。
- Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst. 以工业废氢溴酸(48%25)为原料,在浓硫酸存在下,与正辛醇进行反应合成1-溴辛烷。
- Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst. 在中试反应精馏塔中以浓硫酸为催化剂进行了醋酸与甲醇反应制备醋酸甲酯的试验。
- Ethyl lactate was synthesized by transesterification of D, L-lactide with ethanol utilizing concentrated sulfuric acid as catalyst. 研究了D,L-丙交酯在浓硫酸催化作用下,与乙醇进行酯交换反应合成乳酸乙酯。
- Tin tetrachloride can be used as catalyst for esterification reaction of acetic acid and n-amyl alcohol instead of sulfuric acid. 用四氯化锡取代浓硫酸作为冰乙酸和正戊醇的酯化反应催化剂,成功地合成了乙酸戊酯。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- The effects of celite carrier on performance of catalyst for oxidation of sulphur dioxide to prepare sulfuric acid were investigated. 探讨了硅藻土载体对二氧化硫氧化制硫酸催化剂性能的影响。
- Tetradecyl acrylate was synthesized by direct-etherification from tetradecyl alcohol and acrylic acid with p-methyl benzene sulfuric acid as catalyst. 摘要以丙烯酸和十四醇为原料,经酯化反应直接合成丙烯酸十四酯。
- The diisobutyl dicarboxylate was preparaed by using dicarboxylic acid and isobutanol as material and sulfuric acid as catalyst. 以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯。
- A substance, such as sulfuric acid, that removes water. 脱水物质脱去水分的一种物质,如硫酸
- Diacetoneacrylamide of 99.5% was synthesized with acetone and acrylonitrile as raw material and concentrated sulfuric acid as catalyst. 以丙酮和丙烯腈为原料;浓硫酸为催化剂;合成了纯度为99.;5%25的双丙酮丙烯酰胺。
- The catalytic nitration of the different aromatic compounds was studied on solid acidic catalyst (sulfuric acid-adsorbing silica gel). 研究了固体酸催化剂(硅胶吸附浓硫酸)催化不同种类芳族化合物的硝化反应。
- A corrosive solution of sulfur trioxide in sulfuric acid. 发烟硫酸含三氧化硫酸的一种腐蚀性溶液
- Conclusion:The sulfuric acid anthrone method is reasonable. 结论:该法可作为桑叶中多糖的含量测定方法。