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ASTM International - ASTM D1343-95(2011)

Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method

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Organization: ASTM International
Publication Date: 1 June 2011
Status: inactive
Page Count: 4
ICS Code (Pulps): 85.040
significance And Use:

This test provides an easy method of determining the viscosity of cellulose derivatives in a given solvent. The answers are in units commonly used in industrial practice. Such information is... View More

scope:

1.1 This test method describes the apparatus and general procedure for making ball-drop viscosity measurements on solutions of various cellulose derivatives. Instructions for sample preparation, solution concentration, and other details are discussed in the ASTM methods for the respective cellulose derivatives.

1.2 This test method is applicable to solutions of various cellulose derivatives having viscosities greater than 10 P, by using balls of various diameters and densities. Viscosity results are expressed preferably in poises.

1.3 In commercial practice, viscosities are often expressed in seconds using 2.38-mm (3/32-in.) stainless steel balls. When the viscosity is outside the practical range for these balls (75 to 300 P), the measurement can be made using a calibrated pipet viscometer or a different ball and calculating the observed viscosity to the corresponding time for a 2.38-mm (3/32-in.) ball, even though it is a small fraction of a second.

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

1.5 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.

Document History

December 1, 2019
Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
1.1 This test method describes the apparatus and general procedure for making ball-drop viscosity measurements on solutions of various cellulose derivatives. Instructions for sample preparation,...
ASTM D1343-95(2011)
June 1, 2011
Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
1.1 This test method describes the apparatus and general procedure for making ball-drop viscosity measurements on solutions of various cellulose derivatives. Instructions for sample preparation,...
April 1, 2006
Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
1.1 This test method describes the apparatus and general procedure for making ball-drop viscosity measurements on solutions of various cellulose derivatives. Instructions for sample preparation,...
March 10, 2000
Standard Test Method for Viscosity of Cellulose Derivatives by Ball-Drop Method
1.1 This test method describes the apparatus and general procedure for making ball-drop viscosity measurements on solutions of various cellulose derivatives. Instructions for sample preparation,...
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