以下为句子列表：
英文: Determination of anionic surface active agent in javelle water by two-phase back titration
中文: 两相返滴定法测定次氯酸钠消毒液中阴离子表面活性剂含量
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英文: It is suggested that javelle water is an effective, economic and technologic feasible oxidationagent for removing arsenite from dispersed drinking water.
中文: 本研究结果表明 ,次氯酸钠是一种效果可靠、经济技术可行的分散式饮水三价砷的氧化剂。
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英文: The manipulation of methylene blue two-phase back titration process for determining the content of anionic surface active agent existing in javelle water was introduced, as well as its determination result.
中文: 叙述了采用亚甲基蓝—两相返滴定法测定次氯酸钠消毒液中阴离子表面活性剂的具体操作和结果。
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英文: The removal rate of As(III) could reach that of As(V) when pre-aerating water samples with ozone for 0s, putting 7 ml/L hydrogen peroxide solution, adding mg/L javelle water (sodium hypochlorite) or mg/L bleaching powder(numerated by chlorine).
中文: 通入臭氧 0 s,或按 7. m l/ L 投加双氧水 ,按投氯量加 . m g/ L 次氯酸钠或 m g/ L 的漂白粉等 ,均可有效氧化 .0 m g/ L As(III) ,使砷去除率近似于 As(V)的去除率 ;
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