Calibrated Flat Bottom Borosilicate Glass Specific Gravity Bottle

This 10mL pycnometer, also known as a specific gravity bottle, is a precision instrument designed for density determination experiments. It is calibrated at 20 °C by means of weighing contained purified water, enabling accurate measurement of the ratio of a substance's mass to its volume when used with a working liquid of known density. The pycnometer is constructed from borosilicate 3.3 glass, providing excellent chemical resistance and durability against breakage. It includes a perforated stopper and features a flat bottom for spill prevention. The bottle measures 1.1 inches wide and stands 1.75 inches tall without the stopper, or 3 inches tall with the stopper in place. The borosilicate glass is both microwavable and autoclavable, with heat tolerances up to a strain point of 515 °C, an annealing point of 565 °C, and a softening point of 820 °C.