300ml Biological Oxygen Demand Bottle, BOD

The 300 ml flask for Biological Oxygen Demand (BOD) analysis is made of premium borosilicate glass according to ASTM E-438 Type 1, Class A, ensuring maximum chemical stability and reliability in analytical tests. Its specific design allows for precise BOD determinations in liquid samples, preventing external interferences during the incubation process.

It incorporates a graduated scale up to 250 ml with 25 ml divisions that facilitates volumetric control during sample preparation. The closure using an interchangeable and perfectly fitted ground glass conical stopper ensures a complete seal, preventing air entry and avoiding alterations in analytical results.

The mouth of the container has an optimized geometry that allows for the elimination of excess volume through controlled overflow, guaranteeing an exact volume in each test. The set is supplied without numbering and includes a blank marking area for sample identification.

Borosilicate glass 3.3 offers excellent resistance to water, saline solutions, acids, bases, and organic solvents, in addition to withstanding autoclave sterilization processes and sudden thermal changes. This material only presents limitations against hydrofluoric acid and concentrated bases at high temperatures.

This container constitutes an essential solution for environmental analysis, water control, and microbiology laboratories, where precision, reproducibility, and sample integrity are critical.