Standard Historical Last Updated: Jun 27, 2017 Track Document
ASTM D6188-97(2008)

Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall (Withdrawn 2017)

Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall (Withdrawn 2017) D6188-97R08 ASTM|D6188-97R08|en-US Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall (Withdrawn 2017) Standard new BOS Vol. 06.03 Committee D01
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Significance and Use

This test method is suitable for use as a rapid control test for pulp manufacture or for careful determination of the viscometric molecular weight of purified cotton or wood derived pulps.

This test method is applicable over a very large range of cellulose molecular weights because seven sample sizes are defined. (Sample weights are reduced as cellulose molecular weight increases.)

Cotton and high molecular weight pulps may be difficult to dissolve. (WarningThis test method is only valid if the sample dissolves completely without gels.)

Scope

1.1 This test method describes the procedure for estimating the molecular weight of cellulose by determining the viscosity of cuprammonium (CuAm) solutions of cellulosic materials, such as wood pulp, cotton, and cotton linters. This test method is suitable for rapid, routine testing of large numbers of samples with high accuracy and precision. This test method updates and extends the procedure reported by the American Chemical Society (ACS) .

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

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

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Details
Book of Standards Volume: 06.03
Developed by Subcommittee: D01.36
Pages: 7
DOI: 10.1520/D6188-97R08
ICS Code: 85.040