Pycnometers
Pycnometers
Devices used to measure the density of a liquid; measurement relies on a reference to an appropriate working fluid, such as water or mercury, using an analytical balance.
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 ground glass stopper with a capillary tube for air bubbles to escape. It uses a balance to measure the density in reference to a working fluid like water or mercury.
How Does a Pycnometer Work?
First the weight of the empty flask is measured. It is then weighed when filled with the reference liquid and weighed again when filled with the testing liquid. These weights are used to calculate the relative density of the liquid.
Alternatives for measuring specific gravity include hydrometers, density meters, and refractometers.
Types of pycnometers include:
- Gay-Lussac
- Hubbard
DWK Life Sciences Kimble™ KIMAX™ Pycnometer Bottle
Designed for measuring and comparing the densities or specific gravities of liquids and solids. This non-mercury spirit-filled pycnometer is supplied with Standard Taper 10/18 thermometer with a range of 14 to 38°C in 0.2° increments.
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Eisco™ Glass Calibrated Pycnometer
A high quality, calibrated Pycnometer used for precisely measuring the densities of liquids or solids.
Thomas Scientific Pycnometer, 10 ml (+ / -0.04)
Gay-Lussac With capillary glass stopper ground to flat-sided point for take-off of overflow 10 mL and 25 mL sizes are for ASTM Standard D 369 and Barrett test H-8; AASHTO standard T-74
Thomas Scientific Pycnometer, 25 ml (+ / -0.05)
Gay-Lussac With capillary glass stopper ground to flat-sided point for take-off of overflow 10 mL and 25 mL sizes are for ASTM Standard D 369 and Barrett test H-8; AASHTO standard T-74
Thomas Scientific Pycnometer, 5 ml (+ / -0.03)
Gay-Lussac With capillary glass stopper ground to flat-sided point for take-off of overflow 10 mL and 25 mL sizes are for ASTM Standard D 369 and Barrett test H-8; AASHTO standard T-74
Thomas Scientific Pycnometer, 2 ml (+ / -0.03)
Gay-Lussac With capillary glass stopper ground to flat-sided point for take-off of overflow 10 mL and 25 mL sizes are for ASTM Standard D 369 and Barrett test H-8; AASHTO standard T-74
Micromeritics Instrument Corporation ALUMINUM SAMPLE CUP 10CC
This item has a minimum qty of 2 per supplier requirements.
ALUMINUM SAMPLE CUP 10CC
Ace Glass, Inc. Pycnometer Tube, 4.5mL, Specific gravity
Provides a method for measurement of light hydrocarbon liquids as per ASTM D 941. Also Ind. and Eng. Chemistry, Analytical edition, Vol. 16, No. 1, Jan. 1944, page 55.
SIGMA ALDRICH FINE CHEMICALS BIOSCIENCES PYCNOMETER LAB GRADE GLASSWARE
NC2754028 PYCNOMETER LAB GRADE GLASSWARE
Fisherbrand™ Pycnometer
For specific gravity determinations of semifluids
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