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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.
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.
A laboratory rubber stopper or a rubber bung or a rubber cork is mainly used in chemical laboratories in combination with flasks and test tube and also for fermentation in winery. [1] [2] [3] Generally, in a laboratory, the sizes of rubber stoppers can be varied up to approximately 16 sizes and each of it is specific to certain type of container.
It held the bottle on it's top without a wobble and the pull out stopper worked like a charm with no leaking. It will fit 3 different sizes of openings. Am going to gift one to a friend."
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The aerobic bottle is filled first, and then the anaerobic bottle is filled. However, if the collection is performed using a syringe, the anaerobic bottle is filled first. If a butterfly collection kit is used, the aerobic bottle is filled first, so that any air in the tubing is released into the oxygen-containing bottle. [citation needed]
Reagent bottle caps are commonly said to be "autoclavable". Antique or vintage reagent bottles tend to resemble the classic apothecary bottle and have a glass stopper, very often not of standard size, so that very old bottles and samples should be stored with care, as replacing a missing glass stopper would require dedicated glassworking.
A glass stopper is often called a "ground glass joint" (or "joint taper"), and a cork stopper is called simply a "cork". Stoppers used for wine bottles are referred to as "corks", even when made from another material. [citation needed] A common every-day example of a stopper is the cork of a wine bottle.
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