A analysis method of the bis(2,2,6,6 _ tetramethyl _ 4 _ piperidyl)maleate (BPM) in synthetic reaction solution by ion suppression chromatography is discussed.

• 建立了用离子抑制色谱法分析二（2，2，6，6-四甲基-4-哌啶基）马来酸酯合成反应液的方法。