绪言近年来,由于有机氟化学的蓬勃发展和大量各种类型有机氟化物的合成,有机化合物中氟的微量分析日益显其重要性。含氟有机化合物中氟或其他元素(碳、氢、氮、卤素、氧等)的分析都存在着一定的困难,因而这些分析方法仅在近年来始能较完善地建立。有机化合物中氟元素分析的困难有两方面: (1)高氟、全氟化合物以及一个碳原子上含有一个以上氟原子的化合物通常具有很高的热稳定性,C—F键的断裂需要剧烈的分解条件;在碳氟化合物的热分解过程中,又往往容 INTRODUCTION In recent years, due to the flourishing organofluorine chemistry and the synthesis of a large number of various types of organic fluorides, the trace analysis of fluorine in organic compounds has become increasingly important. Fluorine-containing organic compounds in the analysis of fluorine or other elements (carbon, hydrogen, nitrogen, halogen, oxygen, etc.) have some difficulties, so these methods of analysis only in recent years can be more perfect to establish. Fluorine analysis of organic compounds, there are two difficulties in the analysis: (1) high fluorine, perfluorinated compounds and a carbon atom containing more than one atom of fluorine compounds usually have high thermal stability, C-F bond fracture requires intense Of the decomposition conditions; in the thermal decomposition of fluorocarbons, they often tolerate