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Helium
pycnometry
Helium pycnometry
is a technique to obtain information on the true density of solids.
Since helium, which can enter even the smallest voids or pores,
is used to measure the unknown volume, the final result
is often referred to as skeletal density.
The density measurements are performed on a Quantachrome pentapycnometer
and by application of many different sample cell sizes, a broad
range of sample volumes and weights can be analyzed.
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