نتایج جستجو برای: reversed phase liquid chromatography

تعداد نتایج: 864230  

2001
Domingo Blanco Gomis Daysi Muro Tamayo Juan Mangas Alonso

A reversed-phase high-performance liquid chromatographic (HPLC) method is described for the simultaneous determination of aldoses and uronic acids in cider, previously derivatized with p-aminobenzoic ethyl ester (ABEE). Narrow-bore C8 columns are recommended as this alternative provides good separation efficiency, along with greater economy and sensitivity. Detection limits for aldoses (glucose...

Journal: :Journal of chromatography. A 2013
Rebecca K Lindsey Jake L Rafferty Becky L Eggimann J Ilja Siepmann Mark R Schure

Over the past 20 years, molecular simulation methods have been applied to the modeling of reversed-phase liquid chromatography (RPLC). The purpose of these simulations was to provide a molecular-level understanding of: (i) the structure and dynamics of the bonded phase and its interface with the mobile phase, (ii) the interactions of analytes with the bonded phase, and (iii) the retention mecha...

2011

The resolution of molecular species of triacylglycerols by reversed-phase high-performance liquid chromatography is discussed. Particular attention is given to the choice of stationary phase, mobile phase, injection solvent, detector and the effect of temperature. The influence of molecular structure on retention time is also explained. Triacylglycerols are major components of the human diet, s...

Journal: :Journal of chromatographic science 2008
Ramakrishna Nirogi Srinivasulu Kota Raja Rajeswari Katta Saritha Vennila Vishwottam Kandikere Koteshwara Mudigonda Hima Bindu Vurimindi

A chiral liquid chromatographic method is developed for the enantiomeric resolution of Linezolid, (S)(-)-N-[[-3-(3-fluoro-4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl] methyl] acetamide, an antibiotic in bulk drugs. The enantiomers of Linezolid are resolved on a Chiralcel OJ-RH column using a mobile phase system containing 150mM di-sodium hydrogen phosphate buffer (pH 4.5)-acetonitrile (86:14,...

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