研究了多种物质作为催化剂对催化分解H2O2制备O2的效率,同时对H2O2制备O2反应的实验条件进行了优化。结果表明同种催化剂的不同用量在一定范围内对H2O2的分解速度有影响,且随着催化剂用量的增大,分解速度加快;溶液的酸碱性及分解温度均会影响H2O2的分解速度;在以活性炭作为催化剂时,H2O2的分解速度适中,产生O2均匀,最适合用于课堂教学和演示实验。 A variety of substances as catalyst for the catalytic decomposition of H2O2 to produce O2 efficiency, while H2O2 O2 reaction conditions were optimized. The results show that different dosage of the same catalyst has a certain influence on the decomposition rate of H2O2, and with the increase of the amount of catalyst, the decomposition speed is accelerated; the acid-base and decomposition temperature of the solution will affect the decomposition rate of H2O2; at When activated carbon is used as a catalyst, H2O2 decomposes moderately to produce uniform O2, which is most suitable for classroom teaching and demonstration experiments.