title: A discussion of Schubert's ion-exchange equations.
abstract: A discrepancy which exists in the literature, concerning the derivation of Schubert's ion-exchange equations, is resolved.
authors.affiliation: Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA.
authors.forename: P
authors.initials: P
authors.lastname: Maccarthy
authors.forename: H B
authors.initials: HB
authors.lastname: Mark