The content of vinyl chloride copolymer in the polyethylene terephthalate scrap was analysed by using the heating method,the Fourier transform infrared spectrometry and the gravimetric method.

• 采用加热显色法、傅立叶红外光谱法和称量法对废聚对苯二甲酸乙二酯中的氯乙烯共聚物进行定量检测。