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Wyniki wyszukiwania dla: ANALYTICAL NOTATION
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Analysis of Isocratic-Chromatographic-Retention Data using Bayesian Multilevel Modeling
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How Much Can We Learn from a Single Chromatographic Experiment? A Bayesian Perspective
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Maximum A Posteriori Bayesian Estimation of Chromatographic Parameters by Limited Number of Experiments
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Simultaneous Determination of pKa and Lipophilicity by Gradient RP HPLC
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pH/Organic Solvent Double-Gradient Reversed-Phase HPLC
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Influence of pH on Retention in Linear Organic Modifier Gradient RP HPLC
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Potential Aluminium(III)- and Gallium(III)-selective Optical Sensors Based on Porphyrazines
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Sensitive Determination of Cd in Small-Volume Samples by Miniaturized Liquid Drop Anode Atmospheric Pressure Glow Discharge Optical Emission Spectrometry
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Flowing Liquid Anode Atmospheric Pressure Glow Discharge as an Excitation Source for Optical Emission Spectrometry with the Improved Detectability of Ag, Cd, Hg, Pb, Tl, and Zn
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Solid phase extraction and sequential elution for pre-concentration of traces of Mn and Zn in analysis of honey by flame atomic absorption spectrometry
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The application of isotopically labeled analogues for the determination of small organic compounds by GC/MS with selected ion monitoring
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PEDOT(PSS) as Solid Contact for Ion-Selective Electrodes: The Influence of the PEDOT(PSS) Film Thickness on the Equilibration Times
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Accurate, Direct, and High-Throughput Analyses of a Broad Spectrum of Endogenously Generated DNA Base Modifications with Isotope-Dilution Two-Dimensional Ultraperformance Liquid Chromatography with Tandem Mass Spectrometry: Possible Clinical Implication
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Solid-Contact Ion-Selective Electrodes with Highly Selective Thioamide Derivatives of p-tert-Butylcalix[4]arene for the Determination of Lead(II) in Environmental Samples
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Equilibration Time of Solid Contact Ion-Selective Electrodes
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Solid-Contact pH Sensor without CO2Interference with a Superhydrophobic PEDOT-C14as Solid Contact: The Ultimate “Water Layer” Test
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Quantitative structure–retention relationships of ionic liquid cations in characterization of stationary phases for HPLC
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Different detection and stacking techniques in capillary electrophoresis for metabolomics
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Chemically Bonded Silica Stationary Phases: Synthesis, Physicochemical Characterization, and Molecular Mechanism of Reversed-Phase HPLC Retention
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Picomolar analysis of flavins in biological samples by dynamic pH junction-sweeping capillary electrophoresis with laser-induced fluorescence detection
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Sample Concentration of Charged Small Molecules and Peptides in Capillary Electrophoresis by Micelle to Cyclodextrin Stacking
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Solid-Phase Microextraction for the Determination of Inorganic Ions: Applications and Possibilities
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The simultaneous detection of food dyes from different samples in a 96-well plate by spectrophotometry
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Application of an iron-based porphyrinic metal–organic framework for removal of warfarin from aqueous solutions
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Rapid and sensitive determination of acrylamide in potato crisps using reversed-phase direct immersion single drop microextraction-gas chromatography
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Recent developments in the determination of residual solvents in pharmaceutical products by microextraction methods
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Determination of nicotine in saliva, urine and wastewater samples using tantalum metal organic framework pipette tip micro-solid phase extraction
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Salt saturated single-drop microextraction of malondialdehyde from human plasma before its determination by gas chromatography
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Molecularly imprinted stir bar sorptive extraction coupled with atomic absorption spectrometry for trace analysis of copper in drinking water samples
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Developing a New Micro Cloud Point Extraction Method for Simultaneous Preconcentration and Spectrophotometric Determination of Uranium and Vanadium in Brine
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Simultaneous Removal of Heavy Metals from Wastewater Using Modified Sodium Montmorillonite Nanoclay
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Statistical theory of component overlap in multicomponent chromatograms
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Porous, High Capacity Coatings for Solid Phase Microextraction by Sputtering
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Room temperature ionic liquid-based dispersive liquid–liquid microextraction of uranium in water samples before spectrophotometric determination
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Headspace Solvent Microextraction
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Extraction of mass spectra free of background and neighboring component contributions from gas chromatography/mass spectrometry data
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Molecularly Imprinted Polymers for Stir Bar Sorptive Extraction: Synthesis, Characterization, and Application
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Miniaturization and Automation of an Internally Cooled Coated Fiber Device
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Headspace Liquid-Phase Microextraction of Chlorobenzenes in Soil with Gas Chromatography-Electron Capture Detection
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Determination of mefenamic acid in urine and pharmaceutical samples by HPLC after pipette-tip solid phase microextraction using zinc sulfide modified carbon nanotubes
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Determination of (S)-warfarin using an activated screen printed gold electrode modified with gold nanoparticles and an enantioselective molecularly imprinted polymer
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Application of Box–Behnken design in the optimization of a simple graphene oxide/zinc oxide nanocomposite-based pipette tip micro-solid phase extraction for the determination of Rhodamine B and Malachite green in seawater samples by spectrophotometry
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In-Tube Molecularly Imprinted Polymer Solid-Phase Microextraction for the Selective Determination of Propranolol
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Rapid and sensitive determination of fluoride in toothpaste and water samples using headspace single drop microextraction-gas chromatography
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Critical factors for the performance of chip array-based electrical detection of DNA for analysis of pathogenic bacteria
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Detection of DNA Replication Intermediates after Two-Dimensional Agarose Gel Electrophoresis Using a Fluorescein-Labeled Probe
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Gene-based identification of bacterial colonies with an electric chip
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Detection of bacteriophage infection and prophage induction in bacterial cultures by means of electric DNA chips
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Comparison of High Performance Liquid Chromatography Methods with Different Detectors for Determination of Steroid Hormones in Aqueous Matrices
PublikacjaThis paper presents the development and comparison of procedures for the qualitative and quantitative determination of five estrogenic compounds (17-a-ethynylestradiol, estrone, estradiol, estriol, and progesterone) in drinking water and wastewater samples. Five extraction columns and two disks were tested for their efficiency. The C18 columns were superior on the basis of cost for solid phase extraction of drinking water or sewage....
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Determination of parent and methylated polycyclic aromatic hydrocarbons in water samples by dispersive liquid–liquid microextraction–two dimensional gas chromatography–time-of-flight mass spectrometry
PublikacjaPolycyclic aromatic hydrocarbons (PAHs) are contaminants frequently found in environmental waters. Owing to their toxic effects, it is important to develop analytical methodologies that allow their fast and reliable determination. Dispersive liquid–liquid microextraction (DLLME) allows a quick extraction of analytes with little organic solvent consumption. The best results regarding sample preparation are obtained when 40 mL of...