GC9890+HS16A dedicated chromatograph for detecting 21 VOCs in tobacco packaging ink

Sales phone number:/ fifty-seven million seven hundred and eighty-six thousand three hundred and eleven

Technical Department: 13761342293

Instrument analysis scope

Detect trace amounts of volatile organic compounds (VOCs) such as benzene, toluene, ethylbenzene, xylene (ortho, meta, para), ethanol, isopropanol, n-butanol, acetone, 4-methyl-2-pentanone, butanone, cyclohexanone, ethyl acetate, n-propyl acetate, n-butyl acetate, isopropyl acetate, and propylene glycol methyl ether in cigarette strips, packaging paper, and printing ink. The detection limit for benzene is ≤ 0.002mg/m2

Analysis principle (fully compliant with tobacco industry standards YC/T207-2006 and YC263-2008)

In a closed container and at a certain temperature, volatile components in the sample exist in equilibrium between the gas phase (headspace) and the matrix (liquid or solid phase). When reaching equilibrium, the gas phase is introduced into the gas chromatography for separation. After matrix calibration, the content of each volatile component in the sample can be determined, which is the headspace gas chromatography (HS-GC) method

Analysis conditions:

Chromatograph: GC-9890B headspace gas chromatograph; Capillary chromatography column: 60m imported column from the United States

Injector temperature: 150 ℃ Detector temperature: 250 ℃ Pre column pressure 0.06Mpa

Column box temperature: Hold at 40 degrees for 2 minutes, increase to 180 degrees per minute at 4 degrees, and hold for 15 minutes.

Standard sample chromatogram:

Table 1: Standard curves and linear correlation coefficients of five level concentration standards for seven benzene derivatives, including benzene

*X is peak area, y is component concentration (mg/m)²）

Update time: August 10, 2020 17:18:32