• Experiment Science and Technology
  • Vol. 23, Issue 3, 72 (2025)
Junxia WANG1,*, Guangli YAN2, Youyi WU1, and Feiyue QIAN1,2
Author Affiliations
  • 1School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
  • 2Tianping College, Suzhou University of Science and Technology, Suzhou 215009, China
  • show less
    DOI: 10.12179/1672-4550.20240165 Cite this Article
    Junxia WANG, Guangli YAN, Youyi WU, Feiyue QIAN. Experimental Design and Implementation of Direct Determination of Odorous Substances by Headspace Solid Phase Microextraction Combined with Gas Chromatography-Mass Spectrometry[J]. Experiment Science and Technology, 2025, 23(3): 72 Copy Citation Text show less
    Schematic diagram of the headspace solid-phase micro-extraction(HP-SPME)combined with GC-MS technique
    Fig. 1. Schematic diagram of the headspace solid-phase micro-extraction(HP-SPME)combined with GC-MS technique
    Chromatogram of 9 odorous substances under the selective ion mode
    Fig. 2. Chromatogram of 9 odorous substances under the selective ion mode
    Peak areas of 9 odor substances at different extraction temperatures
    Fig. 3. Peak areas of 9 odor substances at different extraction temperatures
    Peak areas of 9 odor substances at different extraction times
    Fig. 4. Peak areas of 9 odor substances at different extraction times
    Experiments and criteria of quality control and assurance experiments
    Fig. 5. Experiments and criteria of quality control and assurance experiments
    化合物英文缩写保留时间/min定量离子/(m·z−1定性离子/(m·z−1
    2-异丙基-3-甲氧基吡嗪IPMP9.39136.7150.7
    2-异丁基-3-甲氧基吡嗪IBMP11.03123.7150.7
    2-甲基异冰片2-MIB11.1294.7107.3
    β-环柠檬醛β-cyclocitral11.82136.7151.7
    2,4,6-三氯苯甲醚2,4,6-TCA13.72209.5211.4
    2,3,6-三氯苯甲醚2,3,6-TCA14.46209.5211.4
    土臭素Geosmin15.02111.5125.3
    β-紫罗兰酮β-ionone16.28177.0134.9
    2,3,4-三氯苯甲醚2,3,4-TCA16.55209.5211.4
    Table 1. Qualitative and quantitative parameters of individual compounds
    化合物回归方程R2检测限/(ng·L−1平均回收率/%RSD/%
    IPMPy = 180.8x + 397.50.99962.0095.44.5
    IBMPy = 242.2x + 13880.99970.6393.63.6
    2-MIBy = 131.3x + 10100.99820.3694.24.7
    β-cyclocitraly = 54.47x + 516.00.999910.0093.45.4
    2,4,6-TCAy = 41.68x − 63.590.999515.5098.36.4
    2,3,6-TCAy = 77.47x + 11190.99982.7897.78.5
    Geosminy = 193.1x + 237.70.99882.4895.58.0
    β-iononey = 149.5x + 22650.99700.9392.36.8
    2,3,4-TCAy = 60.83x + 131.70.99596.2988.76.6
    Table 2. Standard curve, correlation coefficient, detection limit, average recovery rate and relative standard deviation(RSD)of 9 of odor substance(n = 6)
    Junxia WANG, Guangli YAN, Youyi WU, Feiyue QIAN. Experimental Design and Implementation of Direct Determination of Odorous Substances by Headspace Solid Phase Microextraction Combined with Gas Chromatography-Mass Spectrometry[J]. Experiment Science and Technology, 2025, 23(3): 72
    Download Citation