This paper relates a study of using automated gel permeation chromatography (GPC) to clean soil sample extracts with an average recovery of spiked blank samples of about 79.0%, far better than the common Florisil method.

• 将该净化方法应用于实际土样的净化，并和佛罗里硅土净化方法相比较，经凝胶渗透色谱净化的20种有机氯农药空白加标的平均回收率为79.；0%25，比佛罗里硅土净化的空白加标平均回收率高14