ASTM D1439 : 15(2022)

Standard Test Methods for Sodium Carboxymethylcellulose

Standard Details

1.1 These test methods cover the testing of sodium carboxymethylcellulose.

1.2 The test procedures appear in the following order:

	Sections
Moisture	4 – 9
Degree of Etherification:
Test Method A—Acid Wash	10 – 17
Test Method B—Nonaqueous Titration	10, 12, 18 – 23
Viscosity	24 – 29
Purity	30 – 37
Sodium Glycolate	38 – 46
Sodium Chloride	47 – 54
Density	55 – 61

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 15.1 and 20.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.