About dissolved oxygen in water – Part 1 About dissolved oxygen in water – Part 1. Dissolved oxygen (DO) refers to the amount of oxygen dissolved in water. It is expressed in milligrams of oxygen per liter of water. Dissolved oxygen exists in water in a molecular state. The amount of dissolved oxygen in water […]
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About dissolved oxygen in water – Part 2 5.1: Distribution characteristics in aquaculture water at noon and afternoon during the day: There is a lot of dissolved oxygen in the surface layer, and the saturation is as high as 200% or more. The dissolved oxygen in the bottom water is very little, and the saturation
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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
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