ASTM D4655-95(2012)
Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)

Standard No.

ASTM D4655-95(2012)

Release Date

1995

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D4655-95(2017)

Latest

ASTM D4655-95(2023)

Scope

These test methods are used to determine the basicity of leather when used in accordance with Test Method D4654.

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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM D4655-95(2012) Referenced Document

• ASTM D2813 Standard Practice for Sampling Leather for Physical and Chemical Tests*， 1997-04-10 Update
• ASTM D4654 Standard Test Method for Sulfate Basicity in Leather*， 2020-04-01 Update

ASTM D4655-95(2012) history

• 2023 ASTM D4655-95(2023) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
• 2017 ASTM D4655-95(2017) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
• 1995 ASTM D4655-95(2012) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
• 1995 ASTM D4655-95(2006) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
• 1995 ASTM D4655-95(2001) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
• 1995 ASTM D4655-95 Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)