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  • Title: [Determination of n-pentanol in workplace air by solvent desorption gas chromatography].
    Author: Li T, Liu F, Lin Y, Xie Y, Yan H.
    Journal: Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi; 2015 Apr; 33(4):304-6. PubMed ID: 26506787.
    Abstract:
    OBJECTIVE: To develop a solvent desorption gas chromatographic method for determination of n-pentanol in the workplace air. METHODS: n-Pentanol in the workplace air was collected with activated carbon tubes, desorbed with 2% 2-propanol in carbon disulfide, separated with a nitroterephthalic acid-modified FFAP capillary column, and detected with flame ionization detector. RESULTS: The limit of detection was 0.2 mg/L; the lower limit of quantification was 0.6 mg/L; the linear range was 0.6-4072.0 mg/L. The minimum detectable mass concentration was 0.2 mg/m3 for 1.5 L of air sample. This method was highly repeatable. The relative standard deviations were 2.3%-5.4%. The average desorption efficiencies were 86.9%-94.2%. The absorption efficiencies were 100%. The breakthrough volume was above 8.0 mg in 100-mg activated carbon. The samples in activated carbon tubes could be stored for at least 14 days at room temperature. CONCLUSION: The method is feasible for determination of n-pentanol in the workplace air.
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