The film-electrode method for the determination of BOD_5 was compared with the iodometric method through the precision experiment.

• 随着环境监测技术的发展,膜电极法测定5 d生化需氧量将逐步替代碘量法。 本文通过精密度实验及对比实验,对BOD5测定中膜电极法与传统碘量法进行了比较。