关键词: 氯, 共聚物, 痕量分析, 磺酸, 四氟乙烯, 氟里昂, 酰氟, 氟碳化合物, Ｘ射线荧光光谱法

PIXE method was used the first time in the analysis of copolymers. The results showed that the chlorine content in the copolymer is less than 1 ppm and no chain transfer reaction was taken place while sample of F40 which have already been confirmed to have chain transfer reaction in F-113 was analysed and the chlorine content was found to be as high as 700 ppm.

Key words: CHLORINE, COPOLYMERS, TRACE ANALYSIS, SULFONIC ACID, TETRAFLUORO ETHYLENE, FREON, ACYL FLUORIDES, FLUOROCARBON, X-RAY FLUORESCENCE SPECTROMETRY