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本文提出了测定PVC塑料中的DOP增塑剂的一种新方法——沉淀分离—HPLC法。即用沉淀分离法提取PVC塑料中的DOP,然后,借助于HPLC法分离测定提取物中的DOP。
In this paper, a new method for the determination of DOP plasticizers in PVC plastics is proposed-precipitation-HPLC. That is, the DOP in the PVC plastic is extracted by a precipitation separation method, and then the DOP in the extract is determined by means of HPLC.