A Standardized Approach to Quantitative Analysis of Nicotine in e-Liquids Based on Peak Purity Criteria Using High-Performance Liquid Chromatography

Figure 1

(a) Representative chromatogram of e-liquid flavor P, a placebo_control. (b) Representative chromatogram of e-liquid flavor P, a sample control. (c) Representative chromatogram of e-liquid flavor P, a sample_oxidation (peroxide degradation).

(a)

(b)

(c)