ASTM D 1439 : 1997

1.1 These test methods cover the testing of sodium carboxymethylcellulose.

1.2 The test procedures appear in the following order:

Sections Moisture 4 to 9 Degree of Etherification: Test Method A-Acid Wash 10, 11, 12 to 17 Test Method B-Nonaqueous Titration 10, 11, 18 to 23 Viscosity 24 to 30 Purity 31 to 38 Sodium Glycolate 39 to 47 Sodium Chloride 48 to 55 Density 56 to 62

1.3 The values stated in inch-pound 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Notes 1 and 2.