Solid phase micro-extract (SPME) using modified pencil lead as adsorbent is applied to the analysis of the volatileorganic compounds in vinegar.and the optimum conditions for sample preparation are discussed.
文摘Solid phase micro-extract (SPME) using modified pencil lead as adsorbent is applied to the analysis of the volatileorganic compounds in vinegar.and the optimum conditions for sample preparation are discussed.