ASTM D3897-18 PDF

Scope: 1.1 This test method is intended to show how the results of the chromium analysis (Test Methods D3898 or D6019) and the acidity determination (Test Method D3913) can be combined to permit calculation of the basicity of a chrome tanning liquor. 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.

ASTM D3897-18 Referenced Document

ASTM D3898 Standard Test Method for Chromic Oxide in Basic Chromium Tanning Liquors*， 2023-12-01 Update
ASTM D3913 Standard Test Method for Acidity in Basic Chromium Tanning Liquors
ASTM D6019 Test Method for Determination of Chromic Oxide in Basic Chromium Tanning Liquors (Ammonium Persulfate Oxidation)

2018 ASTM D3897-18 Standard Test Method for Calculation of Basicity of Chrome Tanning Liquors
2017 ASTM D3897-17 Standard Practice for Calculation of Basicity of Chrome Tanning Liquors
1991 ASTM D3897-91(2012) Standard Practice for Calculation of Basicity of Chrome Tanning Liquors
1991 ASTM D3897-91(2006) Standard Practice for Calculation of Basicity of Chrome Tanning Liquors
1991 ASTM D3897-91(2001) Standard Practice for Calculation of Basicity of Chrome Tanning Liquors
1991 ASTM D3897-91(1996) Standard Practice for Calculation of Basicity of Chrome Tanning Liquors