ASTM-D5478 2003

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D5478-98(2003) Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer

Published By	Publication Date	Number of Pages
ASTM	2003	5

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Category: ASTM

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Description

ASTM D5478-98-Reapproved2003

Historical Standard: Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer

ASTM D5478

Scope

1.1 These test methods cover the measurement of the viscosity of Newtonian and non-Newtonian liquids. These test methods are applicable to liquids having viscosities in the range from 5 × 10^-4 to 10³ Pas (0.5 to 10⁶ cP). The shear rate range is dependent upon the needle used and viscosity of the liquid and may vary from 10^-4 to 10³s^-1.

1.2 The yield stress of liquids having this property may also be determined.

1.3 These test methods consist of determining liquid viscosities of Newtonian and non-Newtonian fluids (clear or opaque) by measuring the steady-state (constant) or terminal velocities of cylindrical needles as they fall through the test liquid under the influence of gravity. Yield stresses of non-Newtonian liquids may be measured using the same procedure.

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.

Keywords

falling needle viscometer; Newtonian fluid; non-Newtonian fluid; rheological property; rheometer; viscometer; viscosity; yield stress

ICS Code

ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)

DOI: 10.1520/D5478-98R03

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Methods
2	Significance and Use Apparatus Preparation of Specimen FIG. 1
3	Procedure Calculation Report Precision and Bias Procedure Calculation TABLE 1
4	Report Precision and Bias Procedure Calculation Report Precision and Bias TABLE 2
5	Procedure Calculation Report Precision and Bias Keywords

Additional information

Standard Title	D5478-98(2003) Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer
Published Code	ASTM
Publication Date	2003
Pages Count	5