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        2. COD-203A

          哈希HACH COD-203A型CODmn分析儀

          典型應用 地表水、飲用水、海水的CODmn(高錳酸鉀指數)的測定 儀器特點 氧化還原電位滴定法測量 不使用電磁閥,每次測定前對管路進行反沖洗,防止了出 現管路堵 … 繼續閱讀

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