Blaubrand®. The volume in cm³ is specified to a precision of 3 decimal places. Every pycnometer is calibrated with its own stopper, hence, stoppers are not interchangeable. Each bottle and its stopper is marked with an unique matching identification number.
Pycnometers glass
Pycnometers glass
Pycnometers glass
Pycnometers glass
Pycnometers glass