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2. BOD bottle - Wikipedia

   en.wikipedia.org/wiki/BOD_bottle

   BOD Bottle BOD test bottles at the laboratory of a wastewater treatment plant. BOD Bottle or an incubation bottle is a main apparatus used for the Biological Oxygen Demand (BOD) test. During the five-day BOD or BOD5 test process, the BOD bottle is used for incubating diluted samples under the 20 °C or 68 °F of temperature.

3. Biochemical oxygen demand - Wikipedia

   en.wikipedia.org/wiki/Biochemical_oxygen_demand

   BOD test bottles at the laboratory of a wastewater treatment plant. Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period.

4. Winkler titration - Wikipedia

   en.wikipedia.org/wiki/Winkler_titration

   The acid facilitates the conversion by the brown, Manganese-containing precipitate of the Iodide ion into elemental Iodine. The Mn(SO 4) 2 formed by the acid converts the iodide ions into iodine, itself being reduced back to manganese(II) ions in an acidic medium. Mn(SO 4) 2 + 2 I − (aq) → Mn 2+ (aq) + I 2 (aq) + 2 SO 2− 4 (aq)

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6. Reagent bottle - Wikipedia

   en.wikipedia.org/wiki/Reagent_bottle

   Common bottle sizes include 100 ml, 250 ml, 500 ml, 1000 ml and 2000 ml. Older bottles, especially for medical use and for expensive chemicals, can be found of ...

7. List of conversion factors - Wikipedia

   en.wikipedia.org/wiki/List_of_conversion_factors

   See Weight for detail of mass/weight distinction and conversion. Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where 12 troy ounces equals one troy pound.

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9. File:BOD test bottles (biological oxygen demand) (3231600029 ...

   en.wikipedia.org/wiki/File:BOD_test_bottles...

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