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Comparison of methods for separating polycyclic aromatic hydrocarbons by high-performance thin-layer chromatography.

C F Poole, H T Butler, M E Coddens

    Journal of Chromatography
    |October 19, 1984
    PubMed
    Summary

    High-performance thin-layer chromatography effectively separates polycyclic aromatic hydrocarbons using specific stationary and mobile phases. A novel multiple development technique significantly improves resolution for environmental analysis.

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    Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit·2011

    Area of Science:

    • Analytical Chemistry
    • Environmental Science

    Background:

    • Polycyclic aromatic hydrocarbons (PAHs) are significant environmental pollutants.
    • Accurate separation and analysis of PAHs are crucial for environmental monitoring.

    Purpose of the Study:

    • To compare various stationary phases, mobile phases, and development techniques for PAH separation.
    • To identify optimal conditions for high-performance thin-layer chromatography (HPTLC) of PAHs.
    • To evaluate a novel multiple development technique for enhanced PAH resolution.

    Main Methods:

    • HPTLC was employed using diverse stationary phases including silica gel and various silanized silica gels.
    • Different mobile phase compositions (e.g., methanol-water systems) were tested.
    • Conventional, continuous, and a new multiple development technique were compared.

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    Main Results:

    • Reversed-phase separation using octadecylsilanized silica gel with methanol-water or ternary solvent systems yielded the best PAH separation.
    • The new multiple development technique, involving repeated mobile phase application, demonstrated superior resolution compared to conventional methods.
    • Specific stationary and mobile phases were identified as critical for effective PAH analysis.

    Conclusions:

    • Octadecylsilanized silica gel and specific solvent systems are highly effective for HPTLC of PAHs.
    • The novel multiple development technique offers a significant advancement in resolving complex PAH mixtures.
    • Optimized HPTLC methods are essential for accurate environmental monitoring of PAHs.