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Wastewater
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Key terms: sub cod sample mbox water oxidizing cr oxygen demand compounds frac excess amount added potassium dichromate nh volume mg ammonia determination measurements fas oxidizing agent solution interference concentration sulfate reduced reaction inorganic rightarrow substances wastewater blank sample nitrification biochemical oxygen demand compound in the sample indicator acid water sample water quality permanganate formula excess potassium dichromate ammonia into nitrate original sample demanda assume all equation matter bod Search external links cited by footnotes on Wikipedia page Chemical oxygen demand: |
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