Liquid Chromatography Stationary Phase
Preparation and Characterization of Titania Microspheres and Their Application in a Liquid Chromatography Stationary Phase
... Traditional silica columns would lead to a larger solubility in the basic mobile phases at higher temperatures. Simultaneously, tailed peaks appeared when alkaline substances were separated on a silica column. Thus, our ...
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Developments in Gas Liquid Chromatography Using Liquid Crystals as Stationary Phases
... illustrated in Figures (1-4). The DTA and TGA of parent chromosorb P as solid support were given in Figure 1, it has been shown from DTA that chromosorb P has neither endothermic peaks nor exothermic peaks at the rang of ...
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Performance Study Of Carbon-Clad Zirconia Stationary Phase In High Temperature Reversed-Phase High Performance Liquid Chromatography
... Zirconia particles coated with a carbon layer developed by Carr et al. [2] seem to be substantially different from other carbon supports. The resulting chemical-vapor deposited (CVD) carbon-coated material is useful as a ...
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High temperature liquid chromatography of triazole fungicides on polybutadiene-coated zirconia stationary phase
... mobile phase used was prepared by mixing double distilled deionised water with acetonitrile and the mixture was subsequently degassed using vacuum-ultrasonic ...
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Simultaneous determination of three major bioactive saponins of Panax notoginseng using liquid chromatography-tandem mass spectrometry and a pharmacokinetic study
... Sugar moieties are extracted incompletely into organic solvents. Therefore, solid-phase extraction was used to remove excess ingredients in plasma and achieve good selectivity. When the concentration of methanol ...
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High temperature high performance liquid chromatography of triazole fungicides on carbon-clad zirconia stationary phase
... bonded phase, higher temperature will directly accelerate the dissolution of silica in aqueous solution ...(RP) stationary phase because it is a much more durable substrate compared with silica, ...
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Development and Validation of RP-HPLC Method for Desoximetasone in Bulk and Cream Formulation
... Partition chromatography it is a thermodynamic distribution between two liquids like ...of stationary and mobile phase. Partition chromatography is divided into normal phase and reverse ...
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Preparation and characterisation of diamond based stationary phases for high performance liquid chromatography
... mixed-mode stationary phase containing amino, hydroxyl, and cyclooctyl ...of stationary phase, stability and efficiency are impressive and separations ...
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Application of Molecularly Imprinted Polymers for the Analysis of Pesticide Residues in Food—A Highly Selective and Innovative Approach
... ionic liquid-mediated template, was developed, the final showed improved stability, good selectivity and high adsorption capacity for dichlorvos, and proved to be more suitable for SPE than C18 ...electro- ...
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Investigations of optically active polymeric chiral stationary phases
... It has been shown that porous graphitic carbon coated with poly-L-Ieucine is an effective chiral stationary phase for high perfonnance liquid chromatography.. Although the range of analy[r] ...
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Method Development and Validation for the Estimation of Decitabine in Pharmaceutical Dosage form by RP-HPLC Method
... Most of these compounds are ionic or polar; hence the use of reversed phase-high performance liquid chromatography (RP-HPLC) is somewhat restricted. Initially when deciding to select RP-HPLC or ...
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Preparationand Thermodynamic Behaviourof New Nematic Sulphur-Containing Liquid Crystal
... years, liquid crystalswere used as stationary phases in gas chromatography for the separation of close-boiling ...nematic liquid crystalbased on Schiff basewasprepared by the condensation ...
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Kirchhoff, Fabian (2012): Untersuchungen zur Anwendung der Flüssigkeitschromatographie-Tandem-Massenspektrometrie in der medizinischen Laboratoriumsdiagnostik. Dissertation, LMU München: Medizinische Fakultät
... Gas chromatography – mass spectrometry may be applied for this aim; however, liquid chromatography – tandem mass spectrometry (LC – MS/MS) is now more widely available and is much more convenient, ...
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Separation of Enantiomers of Clopidogrel on Chiral Stationary Phases by Packed Column Supercritical Fluid Chromatography
... fluid chromatography (SFC) may result in higher production rates as the resolution per time in general is better in SFC other advantage of preparative SFC over preparative HPLC include substan- tial waste ...
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The determination of thorium and uranium by reversed phase liquid chromatography
... other anions are fhstly removed after retention of thoriumIV, uranyl and other cations on a cation-exchange column using 0.08 M nitric acid solution, then the lanthanides and transition [r] ...
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Isolation of Artemisinin as Antimalarial Drugs from Artemisia annua L. Cultivated in Indonesia
... Column chromatography has 3.5 cm in diameter and 50 cm long with a slow column type. Ratio of extracts and condensed silica used was 1:30. 5 grams of viscous hexane extract (non- polar fraction) was crushed and ...
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Trinuclear Oxovanadium Complexes of Doxycycline: Synthesis, Characterization and Antiplasmodial Studies
... ml water and 0.256 g (0.5 mmol) doxycycline hyclate and 5 ml methanol added. The solution was stirred at ambient conditions for 2 hours and 0.078 g (0.5 mmol) of 2, 2- bipyridine was added as solid and stirring continued ...
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Application of the broadband collision-induced dissociation (bbCID) mass spectrometry approach for protein glycosylation and phosphorylation analysis
... of liquid chromatography and collision-induced dissociation (CID) tandem mass spectrometry (MS/MS), have been proven to be powerful strategies for PTM identification and ...
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SIMULTANEOUS ESTIMATION OF ENALAPRIL MALEATE AND FELODIPINE BY USING RP-HPLC METHOD IN TABLET DOSAGE FORM
... of chromatography are defined essentially according to the nature of the interactions between the solute and the stationary phase, which may arise from hydrogen bonding, Vander walls forces, ...
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REVIEW ON FLASH CHROMATOGRAPHY
... The Pump Manager C-615 with a Pump Module C-601/C-605 is used for isocratic Flash separations. This combination allows exploration into the features of the Pump Manager C-615 for solvent selection, timed runs and solvent ...
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