Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Determination of Liquid Density



Lane C. Sander, Lorna T. Sniegoski


The determination of solution density is required for conversion of liquid solution levels from a mass fraction basis to a volume fraction basis. This presentation will provide information about three approaches in common use for the determination of densities for liquids: (1) micropipette method; (2) oscillating tube instrumentation; and (3) pycnometer. The video includes a brief overview of each approach, with a laboratory demonstration of the micropipette and oscillating tube methods.
Journal of Research (NIST JRES) -


solution density, Lang Levy pipette, micropipette, pycnometer, oscillating tube instrumentation


Sander, L. and Sniegoski, L. (2017), Determination of Liquid Density, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 25, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created January 12, 2017, Updated January 27, 2020