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Partition Coefficient

The partition coefficient (K) represents the ratio of a compound's concentration in two immiscible phases, driving separation in chromatography.

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The statement of the theorem

Consider an analyte

A

partitioning between two immiscible phases, Phase 1 (concentration

C_1

) and Phase 2 (concentration

C_2

). The partition coefficient

K

is defined as the ratio of the equilibrium concentrations:\n

K = \frac{C_{2}}{C_{1}}

\nThis coefficient quantifies the relative affinity of

A

for Phase 2 over Phase 1 at equilibrium.

Source: Wikipedia