Metronidazole Buccal Tablets prepared by Chongqing Medical College can be calculated released rate by determining (277nm) the absorptivity after finishinga standard operation.

• 用紫外分光光度法，在277run波长处分别测定释放溶液20min、50min和90min的吸收度，按甲硝哇(C6H剥303)的吸收系数(侧二)为377计算释放度，可检查重庆医科大学的甲硝哇口颊片的释放度。