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Standard ASTM D871-96(2019) 1.1.2019 preview

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ASTM D871-96(2019)

Standard Test Methods of Testing Cellulose Acetate

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STANDARD published on 1.1.2019

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The information about the standard:

Designation standards: ASTM D871-96(2019)
Publication date standards: 1.1.2019
SKU: NS-910548
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Pulps

Annotation of standard text ASTM D871-96(2019) :

Keywords:

apparent acetyl, ash, cellulose acetate, cellulose ester, color, free acidity, haze, hydroxyl, intrinsic viscosity, sulfate content,, ICS Number Code 85.040 (Pulps)

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Significance and Use

4.1 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.

1. Scope

1.1 These test methods cover procedures for testing cellulose acetate.

1.2 The test procedures appear in the following sections:

Sections

Ash

8 to 11

Color and Haze

67 to 72

Combined Acetyl or Acetic Acid Content

Test Method A. Solution Method

17, 19 to 23

Test Method B. Heterogeneous Saponification Method

17, 24 to 26

Free Acidity

12 to 16

Heat Stability

47 to 56

Hydroxyl Content

27 to 33

Intrinsic Viscosity

57 to 62

Moisture Content

4 to 7

Primary Hydroxyl Content

34 to 39

Sulfur or Sulfate Content

40 to 45

Viscosity

63 to 66

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.

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 Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D5897-13(2021)	Standard Test Method for Determination of Percent Hydroxyl on Cellulose Esters by Potentiometric Titration—Alternative Method
D1193-06(2018)	Standard Specification for Reagent Water
D1343-95(2019)	Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
D2929-89(2019)e1	Standard Test Method for Sulfur Content of Cellulosic Materials by X-Ray Fluorescence (Includes all amendments and changes 10/7/2019).

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