ASTM-D6656 › Historical Revision Information
Standard Test Method for Determination of Chromic Oxide in Wet Blue (Perchloric Acid Oxidation)
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Scope
1.1 This test method covers the determination of chromic oxide in wet blue that has been partly or completely tanned with chromium compounds. In general, the samples will contain chromium content between 1 % and 5 % when calculated as chromic oxide expressed upon a dry basis otherwise referred to as moisture-free basis (mfb).
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 and health practices and determine the applicability of regulatory limitations prior to use. See Section for 9 specific safety hazards.
Keywords
blue stock; chrome content; chromic oxide; perchloric acid oxidation; wet blue; ICS Number Code 59.140.10 (Processes and auxiliary materials); 71.040.40 (Chemical analysis)
To find similar documents by ASTM Volume:
15.04 (Soaps and Other Detergents; Polishes; Leather; Resilient Floor Coverings)
To find similar documents by classification:
59.140.10 (Processes and auxiliary materials)
71.040.40 (Chemical analysis Including analysis of gases and surface chemical analysis)
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Document Number
ASTM-D6656-16R21
Revision Level
2016 R21 EDITION
Status
Current
Modification Type
Revision
Publication Date
Sept. 1, 2021
Document Type
Test Method
Page Count
5 pages
Committee Number
D31.02