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. 2020 Jan 17;12(1):74. doi: 10.3390/pharmaceutics12010074

Figure 7.

Figure 7

Solubility versus pH profile for ibuprofen. The green line represents the predicted solubility versus pH curve, whereas the blue dots represent the measured solubility values in fasted-state human GI fluids. The upper blue dot is a solubility value of ibuprofen measured in fasted-state duodenal fluid by Heikkilä and co-workers [28].