全部文献期刊会议图书|学者科研项目
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作者:Han-wen Sun , Feng-xia Qiao ...
来源:[J].Analytica Chimica Acta(IF 4.387), 2003, Vol.505 (2), pp.255-261
摘要:Abstract(#br)A new method was developed for simultaneous determination of trace arsenic and antimony in Chinese herbal medicines by hydride generation-double channel atomic fluorescence spectrometry with a Soxhlet extraction system and an n -octanol-water extraction system, ...
作者:Han-wen Sun , Feng-xia Qiao
来源:[J].Journal of Chromatography A(IF 4.612), 2008, Vol.1212 (1), pp.1-9
摘要:Abstract(#br)Novel water-compatible molecularly imprinted polymers (MIPs) were synthesized in methanol–water systems with ofloxacin as templates and methacryclic acid as functional monomers. The MIPs were used as a special sorbent for the selective solid-phase extraction (SP...
作者:Han-wen Sun , Feng-chi Wang , Lian-feng Ai
来源:[J].Journal of Chromatography A(IF 4.612), 2007, Vol.1164 (1), pp.120-128
摘要:Abstract(#br)An accurate method based on the use of gel permeation chromatography (GPC)–liquid chromatography–tandem mass spectrometry interfaced with electrospray ionization (GPC–LC–ESI-MS/MS) was devised for the simultaneous determination of Sudan (I–IV), Sudan O...
作者:Han-Wen Sun , Feng-Chi Wang , Lian-Feng Ai
来源:[J].Journal of Chromatography B(IF 2.487), 2007, Vol.857 (2), pp.296-300
摘要:Abstract(#br)A method was developed for the determination of the seven nitroimidazoles including metronidazole (MNZ), ronidazole (RNZ), dimetridazole (DMZ), tinidazole (TNZ), ornidazole (ONZ), secnidazole (SNZ) and the common metabolite of RNZ and hydroxydimetridazole (DMOHZ...
作者:Han-wen Sun , Pan He ...
来源:[J].Journal of Chromatography B(IF 2.487), 2007, Vol.852 (1), pp.145-151
摘要:Abstract(#br)A simple, rapid and accurate method has been developed for effective separation and simultaneous determination of lomefloxacin, gatifloxacin, enoxacin, ciprofloxacin, ofloxacin, enrofloxacin and pefloxacin residues in porcine tissue by capillary electrophoresis ...
作者:Han-wen Sun , Feng-xia Qiao , Guang-yu Liu
来源:[J].Journal of Chromatography A(IF 4.612), 2006, Vol.1134 (1), pp.194-200
摘要:Abstract(#br)Theophylline imprinted monolithic columns were designed and prepared for rapid separation of a homologous series of xanthine derivatives, caffeine, and theophylline by an in situ thermal-initiated copolymerization technique. Caffeine and theophylline were fully ...
作者:Han-wen Sun , Li-li Yang ...
来源:[J].Analytica Chimica Acta(IF 4.387), 1997, Vol.353 (1), pp.79-84
摘要:Abstract(#br)A method has been developed for the direct determination of trace silver using derivative atom trapping flame atomic absorption spectrometry with modified water-cooled stainless steel trapping equipment. The conditions that influence the sensitivity of the metho...
作者:Han-Wen SUN , Zhan-Sheng KANG , Hui LI
来源:[J].Chinese Journal of Analytical Chemistry, 2010, Vol.38 (9), pp.1272-1276
摘要:Abstract(#br)A gel permeation chromatography-solid phase extraction-rapid resolution liquid chromatography-tandem mass spectrometry (GPC-SPE-RRLC-MS/MS) method was developed for the determination of 9 steroid hormone residues in beef tissue. The beef samples were enzymatical...
作者:Han-Wen Sun , Ran Suo
来源:[J].Analytica Chimica Acta(IF 4.387), 2003, Vol.509 (1), pp.71-76
摘要:Abstract(#br)Simultaneous vapor generation of zinc (Zn) and cadmium (Cd) was evaluated by atomic fluorescence spectrometry coupled with an intermittent flow vapor generation system. Some complexing reagents, surfactant and transition metal ions were respectively tested as en...

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