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Table 3 Variability in percentage extraction of constituents from pouched snus

From: Multi-analyte approach for determining the extraction of tobacco constituents from pouched snus by consumers during use

Constituent Mean ± SD extraction (%) Total variability (%) Measurement variability (%) Intra-subject variability (%) Inter-subject variability (%)
Chloride 27.7±11.28 40.7 3.6 12.8 24.3
Propylene glycol 29.7±10.62 35.8 3.2 8.8 23.8
Sodium 24.8±11.21 45.2 5.1 15.2 24.9
Nicotine 33.3±9.86 29.6 3.9 16.2 9.5
Ammonium 28.3±9.88 34.9 3.8 14.0 17.1
Nitrate 26.6±10.50 39.5 4.1 11.5 23.9
Linalyl acetate 19.2±13.49 70.3 8.1 10.0 52.2
Geraniol 23.7±14.40 60.8 9.5 29.7 21.6
Linalool 30.4±9.65 31.7 3.9 3.7 24.1
Citronellol 28.2±13.24 47.0 6.3 3.4 37.3
Total TSNAs 35.8±7.85 21.9 2.4 10.5 9.0
NAT 34.6±7.65 22.1 2.4 11.2 8.5
NNK 37.8±8.10 21.4 3.1 10.9 7.4
NNN 35.6±8.46 23.8 2.9 10.6 10.3
NAB 36.3±7.72 21.3 2.9 11.7 6.7