Specifications
-
Capacity: 300 mL.
-
Material: Typically borosilicate glass (Type I, Class A glassware).
-
Bottle dimensions: e.g., diameter ~ 69 mm, height ~ 165 mm in one model.
-
Neck / closure: Ground-glass stopper or “penny-head” / robotic glass stopper that provides a seal to prevent air ingress.
-
Special design: The shoulder/mouth is shaped to help expel air and allow a proper water seal when the sample is filled and incubated.
-
Intended use: For the five-day BOD test (e.g., in standards such as Standard Methods for the Examination of Water and Wastewater) which requires bottles of 300 mL capacity or larger.
-
Others: Some models may include a white-screen printed label area for sample ID.
