Closed reflux spectrophotometric method for chemical oxygen demand test(闭管回流分光光度法测定化学需氧量的方法研究) حسب GUANBao-hong(官宝红), WUZu-cheng(吴祖成), XUGen-liang(徐根良), CHENXue-ming(陈雪明)

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Closed reflux for simultaneous determination of COD and DOC in water by spectrophotometric method and potentiometric analysis(闭管回流分光光度法和电位分析联合测定水体中的化学需氧量和可溶性有机碳)... حسب TENGFu-hua(滕富华), WUZu-cheng(吴祖成)

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