Gas Pycnometer

Micromeritics AccuPyc gas pycnometer

Royce Hub building | University of Manchester

Gas pycnometry is recognized as one of the most reliable techniques for obtaining true, absolute, skeletal, and apparent volume and density.

Description

The AccuPyc determines density and volume by measuring the pressure change of nitrogen within a calibrated volume. This technique is non-destructive as it uses the gas displacement method to measure volume. Inert gases, such as helium or nitrogen, are used as the displacement medium. Density calculations using the gas displacement method are much more accurate and reproducible than the traditional Archimedes water displacement method.

Uses / Applications

Selected International Test Standards

ASTM B923
Metal Powders

ASTM C110
Cement

ASTM C604
Refractory Materials

ASTM C799
Nuclear Materials

ASTM D2638
Carbon

ASTM D2856
Foam

ASTM D4892
Petroleum

ASTM D5550
Soil

ASTM D5965
Coatings

ASTM D6093
Coatings

ASTM D6226
Foam

ASTM D6761
Catalysts

ASTM D70
Asphalt

ASTM D8171
Fibers

DIN 66137
Pycnometry

ISO 12154
Pycnometry

ISO 18753
Ceramics

ISO 4590
Foam

ISO 8130
Coatings

USP 699
Pharmaceuticals

Cell Volume

Nominal 10 cm3 / Available Inserts: 0.1cm3, 1cm3, 3.5cm3
Nominal 100 cm3 / Available Inserts: 10cm3, 35cm3

Specifications

Precision; Reproducibility is typically to within ± 0.01% of the nominal full-scale sample chamber volume.

Reproducibility is guaranteed to within ±0.02%

Accuracy; Accurate to within 0.03% of reading, plus 0.03% of sample capacity.

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