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pH in samples of black tea, fruit tea, and coffee beverages.
| Sample type | pH (mean ± SD) | temperature (°C) |
|---|---|---|
| Black tea beverages | 6.68 ± 0.01 | 27.0 |
| Fruit tea beverages | 3.43 ± 0.01 | 28.8 |
| False Turkish coffee | 5.91 ± 0.01 | 28.9 |
| Turkish coffee | 5.34 ± 0.01 | 25.7 |
| Lungo | 5.13 ± 0.01 | 27.7 |
| Americano | 5.33 ± 0.01 | 27.3 |
| Espresso | 5.10 ± 0.01 | 24.0 |
| Doppio | 4.99 ± 0.01 | 26.2 |
| Ristretto | 4.98 ± 0.01 | 25.5 |
Characteristics as mean and SD were identified on the basis of measurements three times.
