Standard Active Last Updated: Apr 10, 2020 Track Document
ASTM D4654-87(2020)

Standard Test Method for Sulfate Basicity in Leather

Standard Test Method for Sulfate Basicity in Leather D4654-87R20 ASTM|D4654-87R20|en-US Standard Test Method for Sulfate Basicity in Leather Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

3.1 This test method is used to determine the percent of total chromic oxide that is combined with hydroxyl and may serve as a measure of chrome fixation.


1.1 This test method is intended for use in calculating the sulfate basicity of mineral tanned leather.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 15.04
Developed by Subcommittee: D31.06
Pages: 2
DOI: 10.1520/D4654-87R20
ICS Code: 59.140.30