Headspace Single-Drop Microextraction Gas Chromatography Mass Spectrometry for the Analysis of Volatile Compounds from Herba Asari

<table>Comparison among different scales of n-tridecane in the extracting solvent on the relative peak area of the seven main compounds from Herba Asari. Powdered sample, 0.500 g; extraction solvent volume, 0.6 <i>μ</i>L; particle size, 100 mesh; extraction time, 20 min, extraction temperature, 70°C; the percent between two mixed solvent, 1 : 1 (volume).</table>

Journal of Analytical Methods in Chemistry

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Figure 2: Headspace Single-Drop Microextraction Gas Chromatography Mass Spectrometry for the Analysis of Volatile Compounds from Herba Asari 