By adding the same amount of glass microspheres into different volumes (0.3 ml, 1.2 ml) of solution, the existence of gas / liquid interface and solid / liquid interface acceleration effect was proved. No matter whether glass microspheres were added or not, the reactant concentration was 50 μ m. The results showed that the mass spectrum signal intensity ratio of product to reactant in 0.3 ml bulk reaction was 1.8 times of that in 1.2 ml bulk reaction, indicating the acceleration effect of gas / liquid interface. However, the reaction rate with glass microspheres in plastic bottle is faster than that without glass microspheres, which indicates the acceleration effect of solid / liquid interface.<br>
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