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分光光度法適用於常量二氧化氯水溶液的濃度(含量)測定,適用濃度為10~600mg/L,超chao出chu此ci濃nong度du範fan圍wei的de樣yang品pin不bu適shi用yong本ben法fa測ce定ding。該gai方fang法fa徹che底di擺bai脫tuo了le五wu步bu碘dian量liang法fa的de束shu縛fu。不bu是shi說shuo五wu步bu碘dian量liang法fa不bu正zheng確que,而er是shi操cao作zuo不bu易yi,不bu適shi合he基ji層ceng企qi業ye采cai用yong,而er且qie偏pian差cha大da,重zhong現xian性xing差cha。分光光度法為二氧化氯的快速、準確測定提供了手段,值得在二氧化氯行業內大力推廣。