Reversed-Phase Liquid Chromatography
EVALUATION OF THE USE OF ANIONIC/ NONIONIC MIXED MICELLES IN REVERSED PHASE LIQUID CHROMATOGRAPHY OF CHLOROPHENOLS
... Institute of Chemistry, Mazandaran University, P.O. Box 453, Babolsar, Islamic Republic of Iran Abstract The use of aqueous mixed micellar system consisting of sodium dodecyl sulfate (SDS) and polyoxyethylene (23) ...
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The determination of thorium and uranium by reversed phase liquid chromatography
... phase chromatographic method, initial results obtained using the direct injection of. samples, prepared using a peroxide fusion (described in the experimental), gave low[r] ...
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Simultaneous determination of naproxen and diphenhydramine by reversed phase liquid chromatography and derivative spectrophotometry
... accurate reversed phase liquid chromatographic and first derivative spectrophotometric methods were developed for determination of the non-steroidal anti-inflammatory drugnaproxen and the ...
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Quantitative structure retention relationships for rapid method development in reversed phase liquid chromatography
... The primary objective in this study of QSRR modelling of retention time was its subsequent use for predicting retention times of compounds based on their chemical structure. Since Dataset 1 involves 88 compounds and 10 ...
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Simultaneous determination of Atenolol, Amiloride hydrochloride and Hydrochlorothiazide using reversed phase liquid chromatography
... precise reversed phase liquid chromatographic method has been developed and validated for the simultaneous determination of atenolol, amiloride hydrochloride and ...mobile phase consisting of ...
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Reversed phase liquid chromatography with mass detection and characterization of saxagliptin degradation related impurities
... 511 combinations involving methanol, acetonitrile, buffer solution (Ammonium acetate) were tried, in isocratic and gradient modes. Finally, good separation and peak shape where observed with the use of water and ...
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REVERSED PHASE LIQUID CHROMATOGRAPHY WITH MASS DETECTION AND NMR CHARACTERIZATION OF SITAGLIPTIN DEGRADATION RELATED IMPURITIES
... F. I. Farooqui* and R. B. Kakde Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur-440033, Maharashtra, India ABSTRACT: The current work on impurity profiling of Sitagliptin in ...
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Predicting retention indices of PAHs in reversed-phase liquid chromatography: A quantitative structure retention relationship approach
... the liquid chromatography retention time in monomeric and polymeric stationary phases of PAHs was ...of liquid chromatographic retention indices of ...
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Practical observations on the performance of bare silica in hydrophilic interaction compared with C18 reversed phase liquid chromatography
... mobile phase viscosity might contribute pos- itively to fast analysis, since higher linear flow velocities can be adopted within the pressure limit of the ...
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New Monodense Large Pore Silica-Based Materials for the Analysis of Biomacromolecular Compounds by Reversed-Phase Liquid Chromatography
... Macromolecules can move rapidly in and out of the shell layer of porous shell particles with large pore sizes, resulting in reduced band broadening at higher mobile phase velocities. SPP particles exhibit ...
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Comparison of the determination of folate vitamers with hydrophilic interaction chromatography and reversed phase chromatography
... conventional reversed phase columns. For this purpose hydrophilic liquid interaction chromatography, short HILIC, could be the preferred choice of ...to reversed phase ...
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Determination of Carbonyl Compounds by Reversed-Phase High-Performance Liquid Chromatography
... Add one or two boiling chips to the flask and attach a three-ball Snyder column. Pre-wet the Snyder column by adding about 1 mL of methylene chloride to the top. Place the K-D apparatus in a hot water bath (80–90 ° C) so ...
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Determination of Letrozole in Tablet Formulations by Reversed Phase High Performance Liquid Chromatography
... one week, increased to room temperature and then injected into the HPLC system. Assay sample preparation A uniform mixture of tablet powder was obtained by powdering and mixing twenty tablets. From this powder mixture, ...
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Bibliography of reversed phase partition chromatography
... Oxidation States of Plutonium by Reversed-Phase Partition Chromatography, 11 Nukleonika, ~.. M •• "Liquid- Liquid Partition Chromatography of Steroids: Systematic Approach[r] ...
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Study of forced degradation behavior of fluorometholone by reversed-phase high-performance liquid chromatography
... new liquid chromatographic method for the determination of fluorometholone (FM) in pharmaceutical ...Methods: Chromatography was performed on Shimadzu Model CBM-20A/20 Alite with C8 Phenomenex column (250 ...
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Separation Of Phenylarsonic Compounds By Ion Pairing-Reversed Phase-High Performance Liquid Chromatography
... p-ASA, PA and 3-NHPAA are all dissociated at the pH range studied. These compounds contain acidic functional groups and their dissociations depend on the pK a and mobile phase pH. The chromatograms presented in ...
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ESTIMATION OF GUGGULSTERONE Z IN GOKSHURADI GUGGULU USING REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
... SSP parameters were also evolved as shown in Table 1. Percentage RSD value <1.0 for GZ peak confirmed that the variation in the peak area was within acceptable limit. The higher values of plats suggested that the peak ...
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Reversed Phase High Pressure Liquid Chromatography Technique for Determination of Carbocisteine from Pharmaceutical Formulation
... performance liquid chromatography method is described for determination of carbocisteine from pharmaceutical ...mobile phase consisted a mixture of buffer and methanol (65:35 ...
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Performance Study Of Carbon-Clad Zirconia Stationary Phase In High Temperature Reversed-Phase High Performance Liquid Chromatography
... Keywords: Carbon-clad zirconia, high temperature high performance liquid chromatography Abstrak. Prestasi turus zirkonia tersalut karbon (CCZ) telah dikaji bagi pemisahan sebatian ujian (benzaldehid, ...
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Disposable reversed phase chromatography columns for improved detection of carboxylic acids in body fluids by electron capture gas liquid chromatography
... Samples were added to preconditioned reversed-phase chromatography columns, and various solvents and solvent mixtures were tested to determine maximum recovery of the TCE derivatives.. W[r] ...
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