Alum bath
Revision as of 06:57, 24 July 2013 by (username removed)
Description
In papermaking, an alum bath refers to an aqueous solution of aluminum sulfate. The solution is sponged on paper prior to marbling. It acts as a surfactant and mordant to attract and bind the colorants to the paper.
Authority
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982