The resolution was4 for the separation of the most difficult isomers such aso-toluidine and p-toluidine. 在选用的色谱条件下,难分离物质对邻、对甲基苯胺的分离度达4。
Separation of p-toluidine by activated carbon adsorption from 4B acid solutions 活性炭吸附法分离4B酸溶液中的对甲苯胺
Thermochemical studies of the coordination reaction of manganese chloride with p-toluidine 四水氯化锰与对甲基苯胺配位反应的热化学研究
Treatment of p-toluidine wastewater by immobilized microorganism on the macroporous crosslinked polystyrene beads 大孔树脂白球固定化微生物强化处理对甲苯胺废水的研究
The isotherm was plotted for the adsorption of p-toluidine by activated carbon in the presence of 4B acid ammonium salt. 绘制了在4B酸铵存在下活性炭对对甲苯胺的吸附等温线。
The experimental results over the catalyst showed that o-nitrotoluene and p-nitrotoluene conversion of 98% and 91% were obtained, respectively. Alternative preparation of o-toluidine and p-toluidine in one plant was thus realized. 试验结果表明,在自制铜催化剂和适宜反应条件下,邻(对)硝基甲苯的转化率分别达98%和91%以上,实现了在同一生产装置上交替生产邻(对)甲苯胺。
Studies on Thermochemistry of Coordination Reaction of p-Toluidine with Cupric Bromide 对甲基苯胺与溴化铜配位反应的热化学研究
Adopting macropore resin whole ball immobilized microorganisms enhanced sequencing batch reactor ( SBR) for treating p-toluidine wastewater, the relationship between the concentrations of ammonia nitrogen ( NH3-N) and p-toluidine in the degradation process of p-toluidine was investigated. 采用大孔树脂白球固定化微生物强化SBR处理含对甲苯胺废水,考察了降解过程中对甲苯胺与氨氮浓度变化的相关性。
Analysis of kinetic mechanism of thermal decomposition about rare earth nitrates with Schiff base derived from o-vanillin and p-toluidine 稀土硝酸盐邻香兰素对甲苯胺Schiff碱配合物的热分解动力学机理分析
Initiation mechanism of photo-induced polymerization of n-4-methylphenyl maleimide initiated by n, n-dimethyl-p-toluidine N,N-二甲基对甲苯胺引发N-对甲苯基马来酰亚胺光聚合的引发机理
The results reveal that the catalysts can hydrogenate the p-nitrotoluene to p-toluidine under the mild conditions with no by-products, the selectivity of p-toluidine is up to 100%, and the reaction catalyst and reaction system could be separated easily after the reaction. 结果表明:该催化剂可以在温和条件下将对硝基甲苯加氢还原成对甲苯胺,未检测到副产物的产生,对甲苯胺选择性高达100%,且反应后催化剂与反应体系容易分离。
P-toluidine, which is used in medicine, pesticide, pigments and other fields, is obtained by catalytic reduction of p-nitrotoluene in different reaction systems. 对甲苯胺用于医药、农药、颜料等领域,是重要的有机合成中间体。该中间体主要是在不同的还原剂或催化剂的共同作用下催化还原对硝基甲苯制得。