Question

Please provide the full derivation of equation 2. It's based on Archimedes’ principle to find porosity in solid sample. Thank you very much!

Va (apparent volume )= (Mair - MH20)/ (pH20- pair) equation 1

**Total Porosity [%] = {[(Msolvent- Mair) / (psolvent)] /
Va } x 100 equation 2**

Where: Va= apparent volume

Mair= mass of air

MH20= mass of water

Msolvent= mass of solvent

pH20= density of water

pair= density of air

psolvent= density of solvent

Answer #1

Please provide the full derivation of this equation. It's based
on Archimedes’ principle to find porosity in solid sample. Thank
you very much!
Va (apparent volume )= (Mair - MH20)/ (pH20- pair)
Va= apparent volume
Mair= mass of air
MH20= mass of water
pH20= density of water
pair= density of air

Please provide the full derivation of these equations. They are
based on Archimedes’ principle to find porosity in solid sample.
Thanks
Va (apparent volume )= (Mair - MH20)/ (pH20- pair) equation
1
Total Porosity [%] = {[(Msolvent- Mair) / (psolvent)] / Va } x
100 equation 2
Where:
Va= apparent volume
Mair= mass of air
MH20= mass of water
Msolvent= mass of solvent
pH20= density of water
pair= density of air
psolvent= density of solvent

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