Abstract

Activated carbon was modified with different sodium carbonate solutions (0.5 to 3.0 M) to produce a series of possible antacids. The modified carbon was characterized by means of XRD and BET surface area measurements. XRD confirmed the presence of bicarbonate species on the surface of the modified carbons, while the surface areas indicated that microporous of the solids were partially blocked. These solids were tested as antacids in a synthetic gastric juice. Results showed that these new antacids are effective to control the stomach hyperacidity. Furthermore, they are expected to be less expensive due to their low production costs.

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