Gay-Lussac Pycnometers, borosilicate glass 3.3, pear-shaped, 2ml, 1 unit(s)Gay Lussac Pycnometers, borosilicate glass 3. 3, pear shaped, 2ml Material: borosilicate glass 3. 3. For determining the density of non volatile, low viscosity liquids. Pear shaped. With recessed glass stopper, edge at top 9 mm, at bottom 7 mm. Calibrated at 20 C. Total volume is engraved on the pycnometer, three decimal places, tolerance 0. 001 ml. Technical Information Vol. 2 ml