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Distribution law or the Nernst's distribution law gives a generalisation which governs the distribution of a solute between two non miscible solvents.This law was first given by Nernst who studied the distribution of several solutes between different appropriate pairs of solvents.
The statement of the law is
" If a solute X distributes itself between two non miscible solvents A & B at constant temperature & X is in the same molecular condition in both the solvents, then: concentration of X in A / Concentration of X in B = Kd"[this quote needs a citation]
Where Kd is called the distribution coefficient or the partition coefficient.
- Martin's Physical Pharmacy & pharmaceutical sciences; fifth edition, Patrick.J.Sinko ISBN 0-7817-6426-2, Lippincott Williams & Wilkins.[full citation needed] Note, this source does not describe Nernst in the manner the text presents, nor is it evident that it is the source of the quotation (as much as one can surmise through search). Lacking full information (i.e., page number), the source is moved to Further reading.
- "Distribution law". sciencehq.com. Science HQ. Retrieved 22 August 2017.