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Analysis of volatile organic compounds by GC/MS

JS Ji Hyeon Son
MI Md Atikul Islam
JH Joon Ho Hong
JJ Ji Young Jeong
OS Ok Yeon Song
HK Hui Eun Kim
NK Naeem Khan
NJ Nargis Jamila
KK Kyong Su Kim
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The quantitative analysis of volatile organic compounds was carried out by Shimadzu GC/MS, QP-2010 (Shimadzu, Japan) with the EI (electron impact) mode. The ionization voltage was 70 eV, and temperatures of the injector and of ion source were maintained at 250 °C and 220 °C, respectively. The volatile organic compounds were isolated by GC column DB-5 (60 m × 0.25 mm i.d., film thickness 0.25 µm, Phenomenex, USA) and the mass spectra scanned were from 41 to 500 m/z. The GC/MS oven temperature was set as follows; 40 °C (5 min isothermal) raised to 220 °C at 2 °C/min and then to 280 °C at 10 °C/min (10 min isothermal). Helium gas at flow rate of 1.0 mL/min was used as the carrier gas. The sample injector volume was 1.0 µL and the split ratio was 1:20 (Islam et al., 2020).

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