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ASTM D2807-17a

Current Revision

Standard Test Method for Chromic Oxide in Leather (Perchloric Acid Oxidation)

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1.1 This test method covers the determination of chromic oxide in leathers that have been partly or completely tanned with chromium compounds. In general the samples will contain between 1 and 5 % chromium, calculated as chromic oxide.

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. See Section 7 for specific safety hazards.

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.


4.1 The procedure described is specific for chromium in leather. Vanadium is the only common interfering element and this is rarely present in quantity. The precision and accuracy of the methods are usually at least as good as the sampling of the leather itself.

4.2 The chromium content of leather relates to the degree of tannage obtained, and hence may be a matter for specification in the purchase of leather. The procedure described provides adequate accuracy for this purpose.

SDO ASTM: ASTM International
Document Number D2807
Publication Date Sept. 1, 2017
Language en - English
Page Count 4
Revision Level 17a
Supercedes
Committee D31.06
Publish Date Document Id Type View
Sept. 1, 2017 D2807-17A Revision
April 1, 2017 D2807-17 Revision
April 1, 2009 D2807-93R09E01 Revision
Sept. 1, 2015 D2807-93R15 Reaffirmation
April 1, 2009 D2807-93R09 Reaffirmation
May 10, 2003 D2807-93R03 Reaffirmation
Jan. 10, 1998 D2807-93R98 Reaffirmation