Results 11 to 20 of about 2,596,520 (293)
Optimising an Airborne Gas Chromatograph/Mass Spectrometer to Measure Tropospheric Volatile Organic Compounds [PDF]
, 2012 Work to optimise the temperature program of an airborne gas chromatography mass spectrometer was carried out in order to increase the number of analyses that can be carried out per flight.
Minaeian, Jamie K
core +6 more sources
Light-emitting diodes and photodiodes in the deep ultra-violet range for absorption photometry in liquid chromatography, capillary electrophoresis and gas sensing [PDF]
, 2016 Absorbance measurement in the deep ultra-violet range (below 300 nm) has been one of the most widely used detection methods for analytical techniques as a large number of organic compounds have strong absorption bands in the deep UV region.
Bui, Duy Anh
core +1 more source
Plasma L-ergothioneine measurement by high-performance liquid chromatography and capillary electrophoresis after a pre-column derivatization with 5-iodoacetamidofluorescein (5-IAF) and fluorescence detection [PDF]
, 2013 Two sensitive and reproducible capillary electrophoresis and high-performance liquid chromatography-fluorescence procedures were established for quantitative determination of L-egothioneine in plasma.
Pintus, Gianfranco +17 more
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Metabolites, 2021 For large-scale metabolomics, such as in cohort studies, normalization protocols using quality control (QC) samples have been established when using data from gas chromatography and liquid chromatography coupled to mass spectrometry.
Hiroyuki Yamamoto +8 more
doaj +1 more source
Macedonian Journal of Chemistry and Chemical Engineering, 2020 The variability of n-alkanes in the needle cuticular wax of Pinus heldreichii and P. peuce in two natural populations from the Scardo-Pindic mountains was investigated for the first time.
Biljana M. Nikolić +5 more
doaj +1 more source
Analysis of serum bile acids by capillary gas–liquid chromatography–mass spectrometry.
Journal of Lipid Research, 1980 A method for quantitative analysis of serum bile acids by capillary gas–liquid chromatography–mass spectrometry is described. The main features of this method are a Grob-type barium carbonate/polyethyleneglycol 20,000 glass capillary column, an all-glass
G Karlaganis +2 more
doaj +1 more source
Compositional and Enantiomeric Analysis of the Essential Oil of from India
Natural Product Communications, 2016 The leaf essential oil composition of Taxodium distichum L., collected from the foothills of Uttarakhand, India was analyzed using gas chromatography-flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS) equipped with DB-5 (
Rajendra C. Padalia +4 more
doaj +1 more source
, 2022 S.373-380An electrolytic conductivity detector for high resolution capillary gas chromatography has been constructed. By avoiding phase separation and with direct passage of the gas-liquid mixture through the conductivity cell, a high speed of response ...
Wolff, E., Piringer, O.G.
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Química Nova, 2013 In the current study, an alternative method has been proposed for simultaneous analysis of palmitic, stearic, oleic, linoleic, and linolenic acids by capillary zone electrophoresis (CZE) using indirect detection. The background electrolyte (BGE) used for
Patrícia M. de Castro Barra +7 more
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Selectivity Tuning in Capillary Gas Chromatography
, 2020 High resolution capillary gas chromatography implies the optimization of the plate number, the selectivity and the capacity ratio. In packed column gas chromatography, a large variety of stationary phases has been used.
Frank David +3 more
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