反应详情

To a reaction mixture of silver (II) and chlorhexidine prepared in Step 3 of Preparation #3 was added drop wise a saturated aqueous solution of sodium bicarbonate to adjust the pH of the reaction mixture to 7.0. The reaction mixture was allowed to remain under stirring condition for at least 10 minutes and stand for at least 4 hours at room temperature to yield a brown precipitate of a microcrystalline silver (II)/polydiguanide complex.

1. waitstand for at least 4 hours at room temperature