In the differential pulse voltammetry grams(DPV), the o-nitrophenol, 2,4-dinitrophenol and 2,4,6-trinitrophenol were observed respectively to have one, two and three sensitive deoxidize peaks.

• 在差分脉冲伏安图(DPV)上，邻硝基苯酚、2,4-二硝基苯酚、2,2,4-三硝基苯酚分别出现一、二、三个还原峰。