The analytes were extracted onto the polymer film outside of a piece of gas chromatography capillary and desorpted in to gas chromatography through small vase of the headspace injection.

• 实验结果表明,固相萃取顶空气相色谱法克服了传统顶空气相色谱法灵敏度低的缺点,与吹扫捕集气相色谱法具有极其相近的检测限,却具有更好的重现性。