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Gas chromatograph mass spectrometer gc ms

Manufactured by Shimadzu
Sourced in Japan

The Gas Chromatograph/Mass Spectrometer (GC/MS) is an analytical instrument that combines the separation capabilities of gas chromatography (GC) with the detection and identification capabilities of mass spectrometry (MS). It is designed to analyze and identify individual chemical compounds within a complex mixture.

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2 protocols using gas chromatograph mass spectrometer gc ms

1

Detailed Characterization of Asphaltene Fractions

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The C, H, S, N, and O components of pristine asphaltene, MeOHS, and MeOHI were analyzed by a fully automatic VARIO EL III instrument. The content data of C, H, S, and N are directly measured by the machine. The oxygen content is calculated by subtracting the mass of the four elements CHSN from the total mass.
Proton nuclear magnetic resonance (1H-NMR) before and after oxidation of asphaltene was analyzed using a Bruker Ascend 700 M nuclear magnetic resonance spectrometer with deuterated chloroform (CDCl3) as solvent.
Infrared spectra (IR) of pristine asphaltene, MeOHS, and MeOHI were analyzed by a Nicolet 6700 Fourier transform infrared spectrophotometer.
The chemical composition of MeOHS was analyzed with a Shimadzu gas chromatograph/mass spectrometer (GC/MS).
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2

Gas Chromatography-Mass Spectrometry Analysis

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A Shimadzu gas chromatograph mass spectrometer (GC–MS, Shimadzu Cooperation, Kyoto, Japan), EnSpire multimode microplate reader (PerkinElmer, Waltham, MA, USA), THZ-100-type incubation shaker (Shanghai, China), TG18G-II desktop universal high-speed centrifuge (Hunan Kaida Scientific Instruments Co., Ltd, Hunan, China), XW-80A miniature vortex mixers (Jintan Super Blue Instrument Manufacturing Co., Jintan, Ltd, China) and a MD200-2 nitrogen sweep blowing instrument (Hangzhou Dian Sheng Instrument Co., Ltd, Hangzhou, China) were used.
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