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A Review of Measurement Methods of Dissolved Oxygen in Water

Abstract : Some kinds of checking methods and principle of dissolved oxygen in water were summarized. Such as: iodometric method, current determination method (Clark dissolved oxygen electrode), conductance measurement and fluorescence quenching. The advantages and disadvantages of each method were compared, and fluorescence quenching was discussed. The method uses Ruthenium complex as fluorescence sensitive reagent, which emits fluorescence under the excited light. The quenching accords with Stem-Volmer formula, and the density of oxygen could be deduced by checking fluorescence spectrum.
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Haijiang Tai, Yuting Yang, Shuangyin Liu, Daoliang Li. A Review of Measurement Methods of Dissolved Oxygen in Water. 5th Computer and Computing Technologies in Agriculture (CCTA), Oct 2011, Beijing, China. pp.569-576, ⟨10.1007/978-3-642-27278-3_58⟩. ⟨hal-01361031⟩

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