300mL, w/ Glass Pennyhead Stopper
BOD Bottles are the choice for incubating diluted samples of clean water, waste water, effluent water, and polluted water during the 5-day biochemical oxygen demand (BOD) test.
This procedure is used to determine the relative oxygen requirements of the tested sample. 300mL bottles with glass stoppers are recommended for the 5-day BOD test. (Standard Methods for the Examination of Water and Wastewater)
These BOD bottles feature a flared mouth to form a water seal to prevent the ingress of air during incubation.
The interchangeable stoppers have a tapered bottom that also prevents air entrapment.
The stopper joint on these BOD bottles are compatible with the probes of leading BOD and DO meters.
Bottles have large, permanent marking squares.
These BOD bottles are manufactured from high-quality borosilicate glass. This type of glass makes them much less susceptible to etching when compared to traditional BOD bottles. Bottles meet ASTM E-438 Type 1, Class A borosilicate glass specifications.
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