以苯胺为主要原料,过硫酸铵为氧化剂,利用高氯酸和四氯化碳的两相界面,通过界面聚合法合成高氯酸掺杂聚苯胺。以所合成的聚苯胺为活性物质制备电极,以活性炭材料为对电极,1mol/LH2804溶液为电解液,分别组装对称及非对称电容器PAN-PAN、AC_PAN及ADAC,并采用·巨流充放电、循环伏安和交流阻抗技术研究了它们的电化学性能。结果显示,聚苯胺材料作正极材料时,140mA/g充放电电流密度下材料的比电容达270F/g,循环性能良好;聚苯胺材料作负极材料时,电容器在高电压范围的可逆性变差,容量变小 ...
管海凤, 冯自平, 陈永珍
core +1 more source
[Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Liu F +5 more
europepmc +1 more source
[Preparation of mesoporous covalent organic framework core-shell stationary phase and its application in the analysis of astragaloside Ⅳ content in <i>Astragalus</i>]. [PDF]
Zhao XY +7 more
europepmc +1 more source
[Determination of six whitening ingredients in cosmetics by ultra performance liquid chromatography coupled with photodiode array detector and corona charged aerosol detector]. [PDF]
Li X +8 more
europepmc +1 more source
本发明公开了一种用于加氢合成对氯苯胺反应的催化剂,其包括磁性核、包覆所述磁性核的微孔二氧化锆层,以及负载于所述微孔二氧化锆层的铂纳米颗粒。本发明提供的催化剂以磁性颗粒为核,可通过磁铁吸附分离,便于收集和重复利用,而通过将铂纳米颗粒负载到微孔二氧化锆层上,该微孔二氧化锆层作为载体可以有效提高活性组分分散度,促进铂的催化活性。同时,本发明还提供了所述催化剂的制备工艺,该制备工艺简单可控,产物结构和成分可调控,催化活性高,在应用于加氢合成对氯苯胺等反应中时 ...
于洪波, 余小龙, 尹宏峰
core
[Research progress on high performance liquid chromatography stationary phases based on mixed mode]. [PDF]
Li SJ, Li Z, Tang ZX, Lyu M, Wang LT.
europepmc +1 more source
Fe-NS/BC@SACs+PMS体系降解水中苯胺的效能与机理
为解决生物炭(BC)催化过一硫酸盐(PMS)高级氧化技术存在的催化效率受限、体系稳定性差、制备工艺复杂等不足,以虾壳为碳源,采用一锅热解法制备了氮、硫共掺杂锚定铁单原子生物炭催化剂(Fe-NS/BC@SACs),并构建了Fe-NS/BC@SACs+PMS体系用于降解苯胺。考察了该体系对苯胺的降解效能,包括影响因素(初始pH、催化剂投加量、PMS投加量、污染物浓度)、体系稳定性、出水生物毒性控制及污染物矿化效果等;在此基础上,进一步鉴定了反应中间产物和活性物质,提出了降解路径并揭示了反应机理。结果表明 ...
韩琦 +5 more
doaj
[Preparation of chiral micro-packed high performance liquid chromatography column with small-size silica gel coated with amylose tris(3,5-dimethylphenylcarbamate)]. [PDF]
Zhang CG +5 more
europepmc +1 more source
[Research progress on sample pretreatment technology for the analysis of new pollutants in food using composite covalent organic framework materials]. [PDF]
Sun ZY, Yuan GN, Niu YY, Ma JP.
europepmc +1 more source
[Determination of 29 per- and polyfluoroalkyl substances and 22 organophosphate esters and diester metabolites in human serum by high-throughput solid-phase extraction- ultra performance liquid chromatography- high resolution mass spectrometry]. [PDF]
Zhao SQ +6 more
europepmc +1 more source

