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ASTM D464-15

Current Revision

Standard Test Methods for Saponification Number of Pine Chemical Products Including Tall Oil and Other Related Products

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1.1 These test methods cover the determination of the saponification number of tall oil and products obtained by the fractionation of tall oil such as rosin, fatty acids and distilled tall oil as defined in Terminology D804. These test methods are also applicable to gum and wood rosin. Two test methods are covered as follows:

1.1.1 Test method using a potentiometric method, and

1.1.2 Test method using an internal indicator method.

1.2 The potentiometric method is suitable for use with both light- and dark-colored test samples. It should be considered the referee method. The internal indicator method is suitable for use only with light- and medium-colored test samples. It should be considered the alternate method.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.


3.1 These test methods are designed to broaden the scope of the earlier editions of the test method by the inclusion of tall oil and tall oil derived products as test materials and is referenced in Test Methods D803.

3.2 The saponification number is an important property of tall oil and the products obtained by the fractionation of tall oil. It is the test method widely used to determine the total acid content, both free and combined, of these products.

3.3 The potentiometric test method should be used when the most reproducible results are required.

SDO ASTM: ASTM International
Document Number D464
Publication Date Dec. 1, 2015
Language en - English
Page Count 3
Revision Level 15
Supercedes
Committee D01.34
Publish Date Document Id Type View
Dec. 1, 2015 D0464-15 Revision
Dec. 1, 2005 D0464-05 Revision
July 1, 2024 D0464-15R24 Reaffirmation
June 1, 2020 D0464-15R20 Reaffirmation
June 1, 2010 D0464-05R10 Reaffirmation
Dec. 10, 1999 D0464-95R99 Reaffirmation