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Mean values and standard deviations of acidity of freshly squeezed tropical fruit juices and 37% phosphoric acid immediately after preparation of juice but before application to dentine samples.
| Substances | pH (SD) | Total acidity (M) (SD) |
|---|---|---|
| Green mango | 2.54 (0.01) | 0.755 (0.01) |
| Tamarind | 4.16 (0.03) | 0.365 (0.02) |
| Lime | 2.39 (0.02) | 0.94 (0.05) |
| Starfruit | 3.07 (0.01) | 0.40 (0.01) |
| 37% Phosphoric acid | 1.69 (0.00) | 5.88 (0.00) |
SD = standard deviation.
