# Partial specific volume

The **partial specific volume** ** 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.**

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

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.

## Notes

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