The essential oil was analyzed by capillary gas chromatography (GC) and gas chromatography/mass spectrometry (GC-MS) systems. 2.3.1 GC-MS analysis The essential oils were diluted with CH 2 Cl 2 (1:10) and analyzed using a Trace 1310 GC series gas chromatograph (Thermo Scientific, Inc., Waltham, MA, USA) and a Thermo TSQ 9000 mass spectrometer (Thermo Scientific, Waltham, MA, USA).
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A gas chromatographic method, along with a headspace solid-phase microextraction (HS-SPME), was developed for the determination of acrylamide formed in Maillard reaction model systems.
Gas chromatography uses thousands, if not millions, of theoretical plates to separate volatile mixtures using fractional distillation on a micro-scale. Here, a mixture of volatiles used to stimulate the olfactory nerves of bees were injected into the gas chromatograph, which was used to separate and identify the compounds based on the amount of time they took to pass through the chromatography
Gas chromatography is one of the fundamental analytical tools that compose the modern analytical lab, along with Mass Spectroscoy, Spectroscopy and Microscopy. However, like everything else, it does have several limitations, including lack of sensitivity, inability to tolerate water injections, and the sample must be in the vapor state.
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Bituminous materials are used to build durable roads that sustain diverse environmental conditions. However, due to their complexity and a global shortage of these materials, their design and technical development present several challenges. Advanced Testing and Characterisation of Bituminous Materials focuses on fundamental and performance testing of binders and asphaltic mixtures. The
The purposes of this research were to investigate volatile constituents and biological activities of Gardenia jasminoides J. Ellis flowers. Hydro-distillation and solvent extraction were
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