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The headspace sampling device places the sample to be tested in a closed container Agilent HPLC vials china manufacturer, and the volatile component in the sample to be tested is volatilized from the sample matrix by heating and heating, in the gas-liquid (or gas-solid) phase. At equilibrium, the upper gas is directly extracted for chromatographic analysis to detect the composition and content of volatile components in the sample. It is a sample pretreatment device for gas chromatography analysis. It is simpler and more practical than other sample pretreatments. It has higher work efficiency and good reproducibility of chromatographic analysis. It is one of the preferred methods for gas chromatography trace analysis. It is widely used. In:
(1) petrochemical: analysis of volatile organic compounds in high polymer monomer coatings;
(2) Environmental science: analysis of organic toxic volatiles in drinking water volatile halogenated hydrocarbons and industrial wastewater;
(3) Health and epidemic prevention: analysis of disinfection and fumigation residues of medical supplies;
(4) Food industry: quality control of color wine, vinegar and soy sauce; residual amount of acetaldehyde in packaging materials; 6# in leaching oil
Solvent residue analysis, etc.;
(5) Flavor flavor: analysis of flavor in beer and tea;
(6) Drug testing: analysis of organic residual solvents in pharmaceuticals;
(7) Forensic Chemistry: Determination of ethanol, ketone, and aldehyde in blood and urine;
(8) Other fields: such as the determination of volatile organic compounds in soil Agilent HPLC vials china manufacturer.
This is the end of the introduction of Wide application of headspace sampling device. I hope it can help you.
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