6 890 model gas chromatograph

Manufactured by Agilent Technologies

The 6,890 model gas chromatograph is a laboratory instrument used for the separation and analysis of complex mixtures of chemical compounds. It employs the principles of gas chromatography to separate and detect various components within a sample. The core function of this model is to provide precise and reliable data on the composition of the analyzed sample.

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Lab products found in correlation

Fused silica capillary column, by Merck Group (1 mentions) Toc l series analyzer, by Shimadzu (1 mentions) Ea3000 elemental analyzer, by Eurovector (1 mentions)

2 protocols using 6 890 model gas chromatograph

Fatty Acid Composition Analysis of FWME Oils

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The fatty acid composition of raw and cooked FWME oils (previously extracted) was analyzed by using a 6,890 model gas chromatograph (Agilent Technologies) equipped with a fused silica capillary column (100 m length, 0.25 mm internal diameter, and 0.2 µm film) (Supelco). Fatty acid methyl esters were prepared following the method of the American Oil Chemists Society (AOAC, 2010). The oven temperature of gas chromatograph was programmed to arrive at 130°C in 3 min, later increased at a rate of 4°C/ min up to 240°C, and then soaked for 10 min. The injector and detector temperature were retained at 250°C. Standards of fatty acid methyl esters (Supelco^R 37 Component FAME Mix) were used for identifying the fatty acid methyl esters and quantification was done by obtained peak area (%).

Islam M.A., Mohibbullah M., Suraiya S., Sarower‐E‐Mahfuj M., Ahmed S, & Haq M. (2020). Nutritional characterization of freshwater mud eel (Monopterus cuchia) muscle cooked by different thermal processes. Food Science & Nutrition, 8(11), 6247-6258.

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GC-MS and Elemental Analysis of Bio-crudes

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The chemical composition of bio-crudes was analyzed by GC-MS. GC analysis was performed using a 6890 Model Gas Chromatograph with helium as the carrier gas and a mass spectroscopy detector (Agilent) using a thin film (30 m × 0.32 mm, 0.5 μm film thickness) HP-MS5 capillary column supplied from HP. Bio-crudes were diluted in acetone with dilution ratio 1:10 and subjected to a fixed temperature Journal Pre-proof ramping profile: 40 °C (held 4 min) to 280 °C at a rate of 10 °C/ min (held 20 min). The injector temperature was 250 °C and the injector split ratio was set to 30:1. Compounds were identified using the NIST spectrum library.
The elemental composition of bio-crudes and bio-chars was measured using a Eurovector EA3000 elemental analyzer. The total organic carbon (TOC) of the aqueous phases was determined using a Shimadzu TOC-L series analyzer.

de Caprariis B., Bracciale M.P., Bavasso I., Chen G., Damizia M., Genova V., Marra F., Paglia L., Pulci G., Scarsella M., Tai L, & De Filippis P. (2020). Unsupported Ni metal catalyst in hydrothermal liquefaction of oak wood: Effect of catalyst surface modification. The Science of the total environment, 709.

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