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Table 3 Comparison of nicotine quantification results between NMR and HPLC methods

From: Electronic cigarettes: overview of chemical composition and exposure estimation

Sample number Nicotine content [mg/ml]
NMR HPLC
1 19.0 17.9
2 15.8 17.2
3 17.7 16.3
4 21.0 17.6
5 n.d. n.d.
6 n.d. n.d.
7 n.d. n.d.
8 n.d. n.d.
9 n.d. n.d.
10 13.7 13.9
11 23.5 22.5
12 14.3 17.0
13 24.3 22.9
14 14.1 17.5
15 18.7 17.5