Difference between revisions of "P.I.R.A. test"
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== Description == | == Description == | ||
| − | An abbreviation for the Printing Industries Research Association test used to evaluate the condition of vegetable tanned leathers. The P.I.R.A. test examines the extent of deterioration caused over a seven day period by the exposure of a leather specimen to [ | + | An abbreviation for the Printing Industries Research Association test used to evaluate the condition of vegetable tanned leathers. The P.I.R.A. test examines the extent of deterioration caused over a seven day period by the exposure of a leather specimen to [[sulfuric%20acid|sulfuric acid]] and [[hydrogen%20peroxide|hydrogen peroxide]]. Leather that becomes black and gelatinized is deemed unsatisfactory for use. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:04, 10 May 2016
Description
An abbreviation for the Printing Industries Research Association test used to evaluate the condition of vegetable tanned leathers. The P.I.R.A. test examines the extent of deterioration caused over a seven day period by the exposure of a leather specimen to Sulfuric acid and Hydrogen peroxide. Leather that becomes black and gelatinized is deemed unsatisfactory for use.
Synonyms and Related Terms
Printing Industries Research Association test; PIRA test
Additional Information
° M.Roberts, D.Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington, DC, 1982.
Sources Checked for Data in Record
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982