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; Organic acids and inorganic anions in Bayer liquors by ion chromatography after solid-phase extraction ZHONG Fu-jin(钟付金)1, CHEN Xiao-qing(陈晓青)1, ZHANG Shu-chao... 450041, China) Abstract: A method for the simultaneous separation and determination of organic acids and inorganic anions in Bayer liquors was developed by gradient ion chromatography with suppressed......
Purification of Yb2O3 and Lu2O3 by Extraction Chromatography Using 2-ethylhexyl 2-ethylhexylphos-phonate Resin沈利民,沈凤韵,汪文成摘 要:<正> The optimum conditions for extraction chromatography using 2ethyl-hexyl 2-ethylhexylphosphonate resin to separate thulium, yetterbium and luticium were studied. According to the proposed procedure, several grams......
]. Usually chromatography– mass spectrometry (GC-MS) is used for the determination of the concentrations of the volatile components in cut tobacco. However, although extraction and concentration methods...J. Cent. South Univ. Technol. (2007)04-0504-05 DOI: 10.1007/s11771-007-0098-9 Determination of volatile components in cut tobacco with gas chromatography–mass spectrometry and chemometric......
-point extraction; extraction mechanism; high-performance liquid chromatography; water samples 1 Introduction Biphenol A (BPA) is mainly used as a monomer in the preparation of epoxide resins... chromatography with solid-membrane extraction based on electrospun nylon 6 nanofibrous membrane [J]. Chinese J Anal Chem, 2010, 38(4): 503-507. [3] KHIM J S, KANNAN K, VILLENEUVE D L, KOH C H, GIESY J......
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STUDY ON THE SEPARATION AND EXTRACTION MECHANISM OF RARE EARTH ELEMENTS BY MEANS OF REVERSED-PHASE PAPER CHROMATOGRAPHYWang Yingwei Zheng Jianxiang(Department of Chemistry,Xiangtan University,Xiangtan 411105,P.R.China)摘 要:<正> Reversed-phase paper chromatography technique is used for study on the extraction mechanism and sep-aration of rare earth......
and preparation of ester catechins by high performance liquid chromatography[J]. Chemical World,2003(5): 237-249. (in Chinese) [13] YI Jian-min, LI Bao-rong, TANG Ke-wen, et al. Extraction of ester...J. Cent. South Univ. Technol. (2007)06-0798-05 DOI: 10.1007/s11771-007-0152-7 Synthesis of calixarenes and their extraction performance for ester catechins YI Jian-min(易健民)1,2......
by reversed-phase high-performance liquid chromatography using sulfated β- cyclodextrin as chiral mobile phase additive and solid-phase extraction [J]. Journal of Chromatography B, 1997, 703(2): 273-278. [8... acid by cyclodextrin-modified reversed phase high-performance liquid chromatography MAN Rui-lin(满瑞林)1, WANG Zhong-hui(王钟辉)1, TANG Ke-wen(唐课文)1, 2 (1. School of Chemistry and Chemical......
; Optimization strategies for separation of sulfadiazines using Box-Behnken design by liquid chromatography and capillary electrophoresis GONG Wen-jun(龚文君)1... optimization of eight structurally related sulfonamides using capillary zone electrophorosis and reverse high performance liquid chromatography. Optimum values for volume ratio of THF to H2O in eluent......
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