Harman Patil (Editor)

Partial specific volume

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The partial specific volume v i ¯ , express the variation of the extensive volume of a mixture in respect to composition of the masses. It is the partial derivative of volume with respect to the mass of the component of interest.

V = i = 1 n m i v i ¯ ,

where v i ¯ is the partial specific volume of a component i defined as:

v i ¯ = ( V m i ) T , P , n j i .


The PSV is usually measured in milliLiters (mL) per gram (g).

Properties

The sum of partial specific volumes of a mixture or solution is an inverse of density of the mixture namely the specific volume of the mixture.

v = i w i v i ¯ = 1 ρ i ρ i v i ¯ = 1

References

Partial specific volume Wikipedia


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