Analysis of Linoleic Acid in Sesame Oil by Gas ChromatographyIt is a chromatographic analysis system launched by Tengzhou Zhongke Spectral Analysis Application Research Institute, mainly used for the analysis of vegetable oil products, identification of vegetable oil products, and gas chromatography detection of various oil product blends. Traditional edible vegetable oils include peanut oil, soybean oil, sesame oil, rapeseed oil, and cottonseed oil; Plant oil is mainly composed of glycerides of fatty acids such as palmitic acid. The composition and content of fatty acids in different oils are different, and adulteration will inevitably change their fatty acid composition and content. Gas chromatography can be used to analyze the composition ratio of fatty acids, and the instrument can be used to quickly identify the types of common plant oils. It can make a quick judgment on whether common plant oils are adulterated, and can also perform qualitative and quantitative analysis on adulterated plant oils.

3、 Instrument and reagent configuration

Determination of fatty acids in vegetable oils for testing purposes

Chromatographic instrument model GC2010 chromatograph equipped with FID detector

Capillary chromatography column PEG-20M30 * 0.32 * 0.5

Chromatography workstation N2000 (1 computer provided)

One nitrogen hydrogen air generator or one high-purity nitrogen, hydrogen, and air cylinder each

Other instruments: 1. Constant temperature water bath

2. Pipette

3. Rubber dropper

4. Small round bottom flask

5. Condenser tube

6. Sample bottle