gas-liquid phase chromatography
Isoprenoid quinone content and cellular fatty acid composition of Campylobacter species
... The isoprenoid quinone content was determined by reverse-phase high-pressure liquid chromatography, and the fatty acids were determined by capillary gas-liquid chromatography.. All Campy[r] ...
5
Hollow Fiber Microporous Membrane Liquid Liquid Extraction for Determination of Polybrominated Diphenyl Ethers at Trace Levels in Sewage Sludge with Gas Chromatography Electron Capture Detection
... three phase extraction system is applied. In two-phase LPME that is also called microporous membrane liq- uid-liquid extraction (MMLLE), the organic solvent filled in the lumen and the pores of the ...
6
Preparationand Thermodynamic Behaviourof New Nematic Sulphur-Containing Liquid Crystal
... of liquid crystal (6) has been developed. When applying the liquid crystal (6) as stationary phase in GC, this liquid crystal has the ability to separate many of close- boiling and geometrical ...
7
Determination of 2-phenylethanol in Rose Water Using Dispersive Liquid-Liquid Microextraction with Gas Chromatography Flame Ionization Detection
... solid phase extraction (SPE) [11], solid phase microextraction (SPME) [12-14], headspace-solid-phase microextraction (HS-SPME) [15, 16], liquid-liquid microextraction (LLME) [17] and ...
8
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 ...
11
Disposable reversed phase chromatography columns for improved detection of carboxylic acids in body fluids by electron capture gas liquid chromatography
... RESULTS TCE-derivatized standard mixtures of carboxylic acids C2 to C22, along with derivatized body fiuid and spent culture medium samples that had been derivatized and processed as des[r] ...
5
“Chromatographic Analysis of Phytopharmaceuticals – A Review” by Aruna M. Garud, Varsha M. Jadhav, Vilasrao J. Kadam, India.
... Gas chromatography (GC), also called as gas liquid chromatography (GLC), is a technique for separation of mixtures into components by a process which depends on the redistribution of ...
5
Determination of cocaine in spiked saliva using liquid-liquid extraction and gas chromatography- mass selective detector methods
... Solid phase extraction (SPE) is proposed method for analysis of cocaine in biological fluids (Farina et ...saliva. Gas chromatography- mass selective detector (GC-MSD) instrument was chosen for its ...
26
Dispersive liquid-liquid microextraction-gas chromatography-mass spectrometric determination of polycylic aromatic hydrocarbons in water
... and liquid-phase microextraction (LPME) (Charalabaki et ...dispersive liquid– liquid microextraction (DLLME) has been introduced and frequently used for determination of organic contaminants ...
22
Liquid and solid phase microextraction methods for the analysis of organic environmental pollutants
... Membrane-Assisted Liquid-Liquid Extraction Coupled with Gas Chromatography-Mass Spectrometry for Determination of Selected Polycyclic Musk Compounds and Drugs in Water ...
45
Study of Some Alkanes Thermodynamic Parameters Using New Liquid Crystals Containing Sulfur as Stationary Phases
... stationary phase on the inner glass ...stationary phase is then impregnated on the internal wall of the column by flushing of a solution of the liquid crystal in dichloromethane under nitrogen ...the ...
13
Optimized Method to Analyze Rose Plant Volatile Organic Compounds by HS SPME GC FID/MSD
... when gas chroma- tography (GC) is combined with Flame Ionization Detector (FID) and mass spectrometric detection ...by gas chromatography coupled with Flame Ionization Detector and Mass Spectrometry ...
19
Present Status of Gas Liquid Chromatography in the Criminalistics Laboratory
... perature programmers which allow predetermined Of these various detectors, it seems that only three alterations of temperature, collecting accessories have a practical place in the crimi[r] ...
11
ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF METOCLOPRAMIDE HYDROCHLORIDE USING AMMONIUM REINECKATE
... gastrointestinal tract without affecting gastric, biliary, or pancreatic secretion and increases gastric peristalsis, leading to accelerated gastric emptying. It is used in disorders of decreased gastrointestinal ...
12
POLYAMINE ANALYSIS OF LEGUMINOUS SEED, SPROUT, LEAF, FLOWER, POD, ROOT AND ROOT NODULE: DISTRIBUTION OF DIAMINOHEXANE, AMINOBUTYLCADAVERINE, METHYLPOLYAMINES AND ALKANOLPOLYAMINES
... high-performance liquid chromatography (HPLC) and high-performance gas chromatography (HPGC), we attempted to conduct a polyamine analysis of roots and root nodules in comparison with seeds, ...
17
The Characteristics of Ambient Gases Pollutant, South Korea
... Styrene in the atmosphere is determined by a capillary column gas chromatography (GC) with a flame ionization detector (FID). Air samples are collected by drawing air using a personal vacuum pump with a ...
7
Simultaneous determination of three major bioactive saponins of Panax notoginseng using liquid chromatography-tandem mass spectrometry and a pharmacokinetic study
... For the assay, a 0.5 mL plasma sample was loaded and drawn through by gravity on a solid-phase extraction cartridge (1 mL, packed with 100 mg of 40 μ m octade- cyl silica) that was preconditioned by passing ...
6
Rapid and sensitive identification of Mycobacterium tuberculosis
... Combined thin-layer chromatography TLC of methyI mycolates and gas-liquid chromatography GVC of shorter-chain fatty acid esters provided an unequivocal identification of M.. The methodol[r] ...
7
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] ...
259
HPLC with charged aerosol detector (CAD) as a quality control platform for analysis of carbohydrate polymers
... The optimized method was validated by evaluating linearity, LOD, LOQ and intra and inter-day precision of peak areas (Additional file 1: Table S1). After double logarithmic transformation, the calibration curves of 11 ...
7