liquid chromatography
Sulfadimethoxyne quantification in milk by high performance liquid chromatography.
... SULFADIMETHOXYNE QUANTIFICATION IN MILK BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY. A method for HPLC determination of sulfadimethoxyne in milk is presented. The analyte isolation and concentration were ...
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Monitoring the modifications of Aloe vera by high performance liquid chromatography
... Abstract. Aloe vera is a widely known and studied plant due to its therapeutic properties. The therapeutic properties exhibited by the Aloe vera exudates have been associated to the presence of certain compounds, such ...
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Modern stationary phases for reversed phase high performance liquid chromatography.
... MODERN STATIONARY PHASES FOR REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY. This review irst discusses the limitations of many of the supports and stationary phases used in reversed phase high ...
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Determination of Pesticide Residues in Banana by Using High Performance Liquid Chromatography and Gas Chromatography-Mass Spectrometry
... Steven, J., A.D. Lehotay, K.M. Hiemstra and P.V. Bodegraven, 2005. Validation of a fast and easy method for the determination of residues from 229 pesticides in fruits and vegetables using gas and liquid ...
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Capillary liquid chromatography: state of the art and current applications.
... CAPILLARY LIQUID CHROMATOGRAPHY: STATE OF THE ART AND CURRENT ...capillary liquid chromatography (CLC), which is considered the newest member in the analytical separation science ...
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Analysis of pesticides in water using liquid-liquid extraction with partition at low temperature and high performance liquid chromatography.
... USING LIQUID-LIQUID EXTRACTION WITH PARTITION AT LOW TEMPERATURE AND HIGH PERFORMANCE LIQUID ...the liquid-liquid extraction technique with partition at low temperature (LLE-PLT) for ...
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Chiral stationary phases for high-performance liquid chromatography.
... CHIRAL STATIONARY PHASES FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. The development of Chiral Stationary Phases (CSPs) for high performance liquid chromatography has been studied by various ...
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Diazepam and nordiazepam in plasma: liquid-liquid and solid phase extraction in sample pre-treatment for high performance liquid chromatography analysis.
... PLASMA: LIQUID-LIQUID AND SOLID PHASE EXTRACTION IN SAMPLE PRE- TREATMENT FOR HIGH PERFORMANCE LIQUID CHROMATOGRAPHY ...techniques, liquid-liquid (LLE) and solid phase extraction ...
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HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY FOR DETERMINATION OF AROMATIC ALDEHYDES IN WINE DISTILLATES
... high-performance liquid chromatography (HPLC) allows to separate the phenolic compounds and the products of their degradation - aromatic aldehydes and acids extracted by wine distillate from oak wood, on a ...
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Determination of Parabens in Breast Milk Samples by Dispersive Liquid-Liquid Microextraction (DLLME) and Ultra-High-Performance Liquid Chromatography Tandem Mass Spectrometry
... dispersive liquid-liquid microextraction (DLLME) and ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS) to determine simultaneously methylparaben ...
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Determination of paclobutrazol concentration by high performance liquid chromatography and spectroscopy.
... DETERMINATION OF PACLOBUTRAZOL CONCENTRATION BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY AND SPECTROSCOPY. Paclobutrazol is a plant growth retardant which is used world-wide for increasing the yield of cereal ...
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Possibilities and limitations of using temperature in reversed phase liquid chromatography.
... PHASE LIQUID CHROMATOGRAPHY. High-temperature liquid chromatography (HTLC) is a technique that presents a series of advantages in liquid phase separations, such as: reduced analysis ...
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Bauhinia variegata L. using liquid chromatography
... high-performance liquid chromatography-electrospray ionization tandem mass spectrometry with multiple reaction ...by liquid chromatography-electrospray ionization mass ...
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Quantification of levoglucosan and its isomers by High Performance Liquid Chromatography – Electrospray Ionization tandem Mass Spectrometry and its applications to atmospheric and soil samples
... vents the analysis of aqueous samples. Recently, other analytical methods without derivatization step were developed for monosaccharide anhydrides quantification us- ing High Performance Liquid ...
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The state of art of ultra performance liquid chromatography.
... análise) foi expandida para a coluna Acquity TM ; (b) o número de pratos por unidade de tempo (pratos/s), que é um parâmetro que descreve o compromisso entre alta eficiência e análises[r] ...
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New stationary phases based on silica for high performance liquid chromatography.
... Como alternativa, os pesquisadores da Waters Corporation publi- caram em 1995 a síntese de uma nova fase reversa, baseada na modi- ficação da superfície da sílica em uma única etapa, dif[r] ...
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Enrofloxacin in soils: determination of sorption parameters by liquid chromatography
... By just comparing the values of the sorption parameters obtained experimentally and using the Freundlich and Langmuir models for the studied soils, it was not possible to decide whic[r] ...
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J. Braz. Chem. Soc. vol.15 número2
... We developed two sensitive and simple assay procedures based on high- performance liquid chromatography and capillary electrophoresis (CE) for the enantioselective analysis of omeprazole in pharmaceutical ...
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OCCURRENCE OF AFLATOXIN B
... (Cassia angustifolia), when aflatoxins were not detected through the use of VICAM immunoaffinity columns (AflaTest kit), a monoclonal antibody-based affinity chromatography system and posterior confirmation by ...
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DEVELOPMENT AND VALIDATION OF RP-HPLC METHOD FOR SIMULTANEOUS ESTIMATION OF ATENOLOL AND CHLORTHALIDONE FROM PHARMACEUTICAL FORMULATION
... performance liquid chromatography (RP HPLC) method was developed and validated for the simultaneous estimation of atenolol and chlorthalidone in marketed ...
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