1.1 These test methods are intended for use in determining the total, neutral, and combined acid sulfate in mineral-tanned leather. 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 D4655-95(2023) history
2023ASTM D4655-95(2023) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
2017ASTM D4655-95(2017) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
1995ASTM D4655-95(2012) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
1995ASTM D4655-95(2006) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
1995ASTM D4655-95(2001) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
1995ASTM D4655-95 Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)