ASTM-D6188 › Standard Test Method for Viscosity of Cellulose by Cuprammonium Ball Fall
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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 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.
Keywords
ball fall viscosity; cellulose; cuprammonium; DP; molecular weight; process control; viscosity
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Document Number
ASTM-D6188-17R22
Revision Level
2017 R22 EDITION
Status
Current
Modification Type
New
Publication Date
July 4, 2022
Document Type
Test Method
Page Count
7 pages
Committee Number
D01.36