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What sample preparation is required for the manometric BOD test method?

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Using Aqualytic’s OxiDirect BOD System, there is very little preparation required for most. The process for starting a test is: • Depending on the required measuring range, fill the appropriate overflow flask with the sample and transfer this to a BOD bottle. • Add the appropriate number of drops of nitrification inhibitor and a magnetic stirrer to the sample. • Add 3 drops of 45% potassium hydroxide to the rubber seal gasket. Place the gasket in the neck of the bottle and screw the BOD sensor head onto the bottle. • Place the BOD bottle on the OxiDirect base and start the measurement process, including inputting the sample size. more
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