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pH measurements of DIY and V4L cartridge solutions of different concentrations. The liquid of the cartridge was soaked in 10 mL of water.
| Sample* | Nicotine (mg) | pH±Stdev |
|---|---|---|
| V4L (n=6) | 4 | 7.8±0.3 |
| V4L (n=3) | 18 | 7.4±0.6 |
| V4L (n=5) | 24 | 8.0±0.3 |
| V4L (n=6) | 36 | 8.3±0.2 |
| DIY (n=3) | 100mg/ml | 9.7±0.0 |
n denotes the number of tested samples
