Volume of the pores (Measuring porosity by gas expansion method)

Formula

Volume of the pores (Measuring porosity by gas expansion method) formula
Vv
the effective volume of the pores
VT
the bulk volume of the sample
Va
the volume of the container containing the sample
Vb
the volume of the evacuated container
P1
the initial pressure in the initial pressure in volume Va and Vv
P2
final pressure present in the entire system

Formula description

Measuring porosity by gas expansion method: A sample of known bulk volume is enclosed in a container of known volume. It is connected to another container with a known volume which is evacuated (i.e., near vacuum pressure). When a valve connecting the two containers is opened, gas passes from the first container to the second until a uniform pressure distribution is attained.

Calculator (how to use calculator?)

Volume of the pores (Measuring porosity by gas expansion method) formula
VT
Va
Vb
P1
P2
Vv
Precision

Formula code

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References

  1. Wikipedia: the volume of the pores (Measuring porosity by gas expansion method).

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