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Normas ASTM – AENOR
ASTM D871-96(2004)

ASTM D871-96(2004)

Standard Test Methods of Testing Cellulose Acetate

Fecha:
2010-12-31 /Historical
Superseeded by:
Significance and Use:

Moisture content of the cellulose ester can be used to estimate the dry weight of the cellulose ester. Since cellulose esters are desiccants, their moisture content can vary greatly depending on storage.

Scope:

1.1 These test methods cover procedures for testing cellulose acetate.

1.2 The test procedures appear in the following sections:

Combined Acetyl or Acetic Acid Content
Sections
Ash to
Color and Haze to
Test Method A. Solution Method, to
Test Method B. Heterogeneous Saponification Method, to
Free Acidity to
Heat Stability to
Hydroxyl Content to
Intrinsic Viscosity to
Moisture Content to
Primary Hydroxyl Content to
Sulfur or Sulfate Content to
Viscosity to

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

Keywords:
apparent acetyl; ash; cellulose acetate; cellulose ester; color; free acidity; haze; hydroxyl; intrinsic viscosity; sulfate content
56,72
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