Determination of Biochemical Oxygen Demand (BOD5)

Add 1-2 ml of starch solution and continue to titrate to first disappearance of the blue color. (200 ml of original dilution water is equal to 203 ml of dilution water plus reagents.) Titrate two of the three samples. Results should be within 0.1 mL if using a buret with increments of 0.05 mL… ................
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