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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.
Wire wheel center caps in the 1930s had a spring-loaded retention clip system that has been used on many hubcaps and center caps on every style of car and truck to the present day. [citation needed] Steel wheels in the 1930s had retention clips mounted to the wheel that snapped into a lip in the back of the cap. Wood wheels were a special option.
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.
The BOD test is not bottle dependent, many labs use a 500ml bottle for the samples under test if using a titration method for determination or as small as 50ml if using an electronic DO probe, but the size of the bottle is only a function of practicality and space.
Bottle cap collecting is the hobby of collecting metallic crown caps. The hobby may or may not include drinking beverages that have been sealed with crown caps. Opening bottles with traditional openers may damage the crown caps, thus some collectors use automatic bottle openers to avoid any substantial damage to the crown caps. [1]
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A bottle cap or bottle top is a common closure for the top opening of a bottle. A cap is sometimes colorfully decorated with the logo of the brand of contents. Metal caps with plastic backing are used for glass bottles, sometimes wrapped in decorative foil. Metal caps are usually either steel or aluminum, [1] and of the crown cork type.
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