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  • Title: [Gas chromatography for determination of N-isopropylaniline in workplace atmosphere].
    Author: Xuan J, Pan X, Liu X, Yan H, Zhang Y.
    Journal: Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi; 2015 Feb; 33(2):143-5. PubMed ID: 25916372.
    Abstract:
    OBJECTIVE: To establish a method for determination of N-isopropylaniline in the workplace atmosphere by gas chromatography. METHODS: Air samples were collected by silica gel tube and desorbed by acetone. Then they were separated through DB-WAX columns and N-isopropylaniline was determined by flame ionization detector. RESULTS: The concentration of N-isopropylaniline showed a good linear relationship within the range of 1.40∼665.0 µg/ml. The sampling efficiency was 100%. The accuracy was 96%∼ 99% and the precision was 2.1%∼7.0%. The minimum detectable concentration was 0.056 mg/m(3) (with sampled air volume of 7.5 L). CONCLUSION: The method meets the requirements of analysis and applies to the determination of N-isopropylaniline in the workplace atmosphere.
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