▎ 摘　　要

NOVELTY - A chromatographic separation column is composed of activated carbon, carbon nanotubes and graphene. USE - Chromatographic separation column used for detecting volatile organic compounds gas chromatography (claimed). ADVANTAGE - The chromatographic separation column has characteristics of low cost, high efficiency, less time, portability, real-time and online. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for chromatographic separation column in detection volatile organic compounds gas chromatography, which involves: (a) establishing collection channel; (b) collecting samples and gasifying collected samples; (c) injecting; (d) separating by chromatographic separation column; and (e) detecting separated volatile organic compounds, and analyzing and processing detection results.