Oxygen bottles acc. to Winkler 250-300 ml

L'immagine può essere diversa dall'articolo.

for the determination of oxygen dissolved in water, tolerance +/- 0.1 ml, made of clear glass, with ground-in stopper and frosted marking area, exact volume is engraved on the flask, stopper and bottle show identical number and cannot be exchanged, in cartons of 10 pcs.
Descrizione Valore
EAN Code: 4250317309013
Descrizione Valore
WEEE obligation: no