A gas pycnometer is also sometimes referred to as a helium pycnometer. The instrument invented by al-Bīrūnī, which functions on the principle of water volume displacement, is essentially the same as the …

Pycnometers are used for measuring and comparing densities or specific gravities of liquids and solids, including soil. What Is a Pycnometer? Pycnometer bottles are usually made of glass and have a …

This video shows how to use a pycnometer for density measurement of liquids: ...more

Dec 10, 2025 · The pycnometer is a fundamental instrument for density determination in laboratory settings. Through a simple but rigorous method based on mass and volume measurements, it …

May 21, 2024 · A pycnometer is a piece of laboratory equipment or glassware used to measure material properties of substances. It may resemble a measurement bottle with a hole or protruding glass …

By measuring the volume of gas displaced by a sample, a pycnometer provides insight into material properties such as purity and sample differentiation. Now available through Malvern Panalytical, …

The pycnometer (from the Greek puknos, meaning “density”, also called pyknometer or specific gravity bottle), is a flask with a close-fitting ground glass stopper with a fine hole through it, so that a given …