Standard Active Last Updated: Dec 11, 2020 Track Document
ASTM D4899-99(2020)

Standard Practice for Analysis of Vegetable Tanning Materials—General

Standard Practice for Analysis of Vegetable Tanning Materials—General D4899-99R20 ASTM|D4899-99R20|en-US Standard Practice for Analysis of Vegetable Tanning Materials—General Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

3.1 Vegetable tanning materials are natural products containing various substances of varying composition, concentration and quality.

3.2 The methods referenced are useful for analyzing and testing vegetable tanning materials for moisture, water-extractable substances, cold-soluble fractions, tannins, non-tannins, acidity, tanning properties, the color of tanned leather, and the presence or absence of certain admixtures.


1.1 This practice is intended for use in the chemical analysis of all vegetable tanning materials.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.

1.4 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: D31.01
Pages: 2
DOI: 10.1520/D4899-99R20
ICS Code: 59.140.10