Cod（化学的酸素要求量）後半 計算編
Synopsis
水のきれいさを示す指標であるCOD（化学的酸素要求量）を求めるために実験をしてみました。後半では、CODを求めてみます。
![[Chemistry Important Questions 2025 Explanation] 139 Chemical Oxygen Demand (COD)](https://i.ytimg.com/vi/ObFvU62e7Sw/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCNviBEgPXPMwM2rLcjMu7x4CQ_Yg)
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