The chemical oxyyen demand(COD) is a very important parameter.This paper has introduced the testing principle,method and matters needing attentions.

 
  • 化学需氧量(COD)是一个非常重要的参数。本文简要介绍了COD的测定原理、测定方法和注意事项。
今日热词
目录 附录 查词历史