THE PREPARATION OF A GRADED SERIES OF ULTRAFILTERS AND MEASUREMENT OF THEIR PORE SIZES

Open Access

20 March 1930

journal article
research article
Published by Rockefeller University Press in The Journal of general physiology

Vol. 13 (4) , 409-419
https://doi.org/10.1085/jgp.13.4.409

Abstract

A simple procedure for making a series of membranes of graded pore sizes is presented with data for permeability of the membrane series to water and to colloidal sols of known particle sizes. A convenient ultrafiltration apparatus for operation under aseptic conditions is described.