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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......
]. 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......
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......
-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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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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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......
Separation of Scandium and Rare Earths with the Method of PSO-Extraction Chromatography王秋泉,彭春霖摘 要:<正> Separation of scandium and rare earths was investigated by using a new extraction chromatography whichPSO was used as a stationary phase,while HCl-NH4SCN solution as a mobile phase.The separation conditionswere studied.In this system......