Soda-lime glass. For the determination of oxygen dis-solved in water. Capacity is calibrated to ± 0.01 ml and engraved on the flask. White labelling area. Solid, obliquely cut standard-ground glass stopper can be secured with a fastening clip. Each flask is calibrated with its own stopper, hence, stoppers and flasks are not interchangeable. Each flask and its stopper is marked with a unique matching identification number. |
