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ASTM D4899-99(2024)

Historical Reaffirmation

Standard Practice for Analysis of Vegetable Tanning Materials—General

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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.


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.

SDO ASTM: ASTM International
Document Number D4899
Publication Date Dec. 1, 2024
Language en - English
Page Count 2
Revision Level 99(2024)
Supercedes
Committee D31.01
Publish Date Document Id Type View
May 10, 1999 D4899-99 Revision
Dec. 1, 2024 D4899-99R24 Reaffirmation
Dec. 1, 2020 D4899-99R20 Reaffirmation
Sept. 1, 2016 D4899-99R16 Reaffirmation
April 1, 2009 D4899-99R09 Reaffirmation
April 1, 2004 D4899-99R04 Reaffirmation