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ASTM D5897-13(2021)

Historical Reaffirmation

Standard Test Method for Determination of Percent Hydroxyl on Cellulose Esters by Potentiometric Titration—Alternative Method

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1.1 This test method covers a procedure for determining the percent hydroxyl on cellulose esters by potentiometric titration. The typical range of percent hydroxyl measured is 0.7 to 10.0 %.

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.


4.1 This test method provides a simpler means for the determination of the hydroxyl content of cellulose esters than the preparation and measurement of the carbanilate derivative described in Test Methods D817 and D871.

4.2 The hydroxyl content is an important indicator of solubility and reactivity.

SDO ASTM: ASTM International
Document Number D5897
Publication Date June 1, 2021
Language en - English
Page Count 4
Revision Level 13(2021)
Supercedes
Committee D01.36
Publish Date Document Id Type View
June 1, 2013 D5897-13 Revision
Jan. 10, 1996 D5897-96 Revision
June 1, 2021 D5897-13R21 Reaffirmation
June 1, 2007 D5897-96R07 Reaffirmation
Jan. 10, 1996 D5897-96R01 Reaffirmation