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- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。
- 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。
- The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts,respectively,were investigated. 讨论了邻苯二甲酸酐一缩二乙二醇酯的合成工艺,分别以硫酸和对甲基苯磺酸为催化剂合成邻苯二甲酸酐一缩二乙二醇酯。
- Chlorination is carried out with Nhaloamines and sulfuric acid. 氯化是用N-卤胺和硫酸。
- 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
- 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。
- A new process has been developed to synthesize dimethoxyacetic acid methyl ester from 50% solution of glyoxylic acid and methyl orthoformate through catalyzing by concentrated sulfuric acid. 以质量分数50%25乙醛酸水溶液和原甲酸三甲酯为主要原料,经浓硫酸催化,合成二甲氧基乙酸甲酯。
- The kinetics of the thermal decomposition reaction of methyl ethyl ketone peroxide (MEKPO) with sulfuric acid of different concentration had been studied by an Accelerating Rate Calorimeter (ARC). 采用绝热加速量热仪(ARC)研究了含有不同浓度的硫酸的过氧化甲乙酮(MEKPO)分解过程,得到了它们的绝热分解温度和压力随时间变化曲线。
- The nitrile (II) (28 g) was mixed with 26 ml of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- The nitrile (II) (28 g) was mixed with 26 ml.of concentrated sulfuric acid. 将28克腈化物(II)与26毫升浓硫酸进行混合。
- Muriatic Acid and cocaine are natural ingredients as well. So is sulfuric acid. 盐酸和古柯碱都也是天然成分,所以硫酸也是...
- Two processes with concentrated sulfuric acid recently appeared are reviewed. 对新近出现的两个浓硫酸水解工艺进行述评。
- Estazolam reacts with sulfuric acid to form an intense fluorescent substance. 本文提出了硫酸颜色反应用于艾司唑仑的荧光测定新方法。
- The reaction of magenta and nitrite in sulfuric acid m ed ium was studied. 据此建立了一个简单、快速、选择性好的测定亚硝酸盐氮的新方法。
- 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。
- Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer. 磷矿在一个预混合槽中与硫酸以及循环回的第一洗涤酸进行混合。
- A new surfactant heavy crude oil sulfonates (HCOS) was synthesized from Daqing Heidimiao oil with fuming sulfuric acid. 考察了酸烃比、反应温度、反应时间对磺化反应的影响。
- A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction. 对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
- That sulfuric acid reacts with copper,forming copper sulfate is known to most people. 大多数人都知道,硫酸与铜化合起反应,生成硫酸铜。