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| Solutions | Concentration of component (M) | ||
|---|---|---|---|
| PG/Glycerol* | EG | Methanol | |
| VS1 | 4 | 1 | 2 |
| VS2 | 3.5 | 1.5 | 2 |
| VS3 | 3 | 2 | 2 |
| VS4 | 2.5 | 2.5 | 2 |
| VS5 | 2 | 3 | 2 |
* Ten solutions in total are formed using PG and glycerol separately, both contain the same concentrations.
