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        • COD-571-1COD-571-1 COD消解裝置
          產品介紹雷磁COD-571 COD測試儀,化學需氧量COD(Chemical Oxygen Demand)是在一定的條件下,采用一定的強氧化劑處理水樣時,所消耗的氧化劑量。它是表示水中還原性物質多少的一個指標。水中的還原性物質有各種有機物、亞硝酸鹽、硫化物、亞鐵鹽等。但主要的是有機物。
          廠商性質:生產廠家瀏覽量:2116型號:COD-571-1
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