Abstract
Anhydrous and hydrated uric acid crystals which frequently occur in human urolithiasis have been grown from pure aqueous solutions at 25 and 37°C. The appearance domain of either modification is given as a function of initial uric acid concentration at pH values ranging from 3.0 to 5.5. The present paper mostly deals with the anhydrous phase and it is shown that its experimental and theoretical growth morphologies are in agreement, the crystals exhibiting the {100}, {210}, {121}, {001} and {201} forms. Crystal habit depends on supersaturation; {100} has always the largest extension at low supersaturation {121} develops to the detriment of {210}, {001} and {201}.
| Original language | English |
|---|---|
| Pages (from-to) | 569-579 |
| Number of pages | 11 |
| Journal | Journal of Crystal Growth |
| Volume | 49 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Jul 1980 |
| Externally published | Yes |
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