…COD (short for chemical oxygen demand) is the amount of oxidizing agent consumed that reacts with organic matter in water, converted into oxygen equivalents and expressed in mg/l or ppm (1mg/l ≒ 1ppm), and is primarily used as an indicator of water pollution caused by organic matter. *Some of the terminology that refers to "chemical oxygen demand" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…COD(chemical oxygen demandの略)ともいう。水中の有機物と反応する酸化剤の消費量を酸素当量に換算してmg/lあるいはppm(1mg/l≒1ppm)単位で表示したもので,主として有機物による水質の汚染の指標として用いられる。… ※「chemical oxygen demand」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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