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About dissolved oxygen sensor in water – Part 3

1.2 How does the dissolved oxygen sensor work Detection principle Introduction Advantages and disadvantages Laboratory methods: Manual colorimetry, Winker method or iodometric method Under alkaline conditions, divalent manganese hydroxide is oxidized to tetravalent manganese by dissolved oxygen in water, and the hydroxide precipitate is formed to realize the fixation of oxygen, but in acidic solution, …

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