ASTM D4486-91(2001)

Standard Test Method for Kinematic Viscosity of Volatile and Reactive Liquids

SCOPE
1.1 This test method covers the measurement of kinematic viscosity of transparent, Newtonian liquids which because of their reactivity, instability, or volatility cannot be used in conventional capillary kinematic viscometers. This test method is applicable up to 2 10-5 N/m2 /sup> (2 atm) pressure and temperature range from -53 to + 135oC (-65 to + 275oF).
1.1.1 For the measurement of the kinematic viscosity of other liquids, see Test Method D445.
1.2 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. For specific precautionary statements, see 7.2 , 7.3 , and 7.4.

General Information

• Status: Historical
• Publication Date: 31-Dec-2000
• ICS: 17.060 - Measurement of volume, mass, density, viscosity
• Technical Committee: D02 - Petroleum Products, Liquid Fuels, and Lubricants
• Drafting Committee: D02.L0.07 - Engineering Sciences of High Performance Fluids and Solids (Formally D02.1100)

Relations

• Replaces: ASTM D4486-91(1996)e1 - Standard Test Method for Kinematic Viscosity of Volatile and Reactive Liquids
• Effective Date: 01-Jan-2001
• Replaced By: ASTM D4486-91(2006) - Standard Test Method for Kinematic Viscosity of Volatile and Reactive Liquids
• Effective Date: 01-Jul-2006
• Referred By: ASTM D6685-01(2015) - Standard Guide for the Selection of Test Methods for Fabrics Used for Fabric Formed Concrete (FFC)
• Effective Date: 01-Jan-2001

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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An American National Standard
Designation:D4486 – 91(Reapproved 2001)
Standard Test Method for
1
Kinematic Viscosity of Volatile and Reactive Liquids
This standard is issued under the fixed designation D4486; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.2.1 Discussion—The cgs unit of density (r) has the
dimensions of grams per cubic centimetre. The SI unit of
1.1 This test method covers the measurement of kinematic
density has the dimensions of kilograms per cubic metre.
viscosity of transparent, Newtonian liquids which because of
3.1.3 kinematic viscosity—The ratio of the viscosity to the
their reactivity, instability, or volatility cannot be used in
density of the liquid.
conventionalcapillarykinematicviscometers.Thistestmethod
−5 2
3.1.3.1 Discussion—For gravity flow under a given hydro-
is applicable up to 2 310 N/m (2 atm) pressure and
static head, the pressure head of a liquid is proportional to its
temperature range from−53 to+135°C (−65 to+275° F).
density r. For any particular viscometer, the time of flow of a
1.1.1 For the measurement of the kinematic viscosity of
fixedvolumeofliquidisdirectlyproportionalto h/r.Thisratio
other liquids, see Test Method D445.
is the kinematic viscosity coefficient (n). The cgs unit of
1.2 This standard does not purport to address all of the
kinematic viscosity is the stoke and has the dimensions of
safety concerns, if any, associated with its use. It is the
centimetre squared per second: the centistoke (0.01 St) is
responsibility of the user of this standard to establish appro-
frequently used. The SI unit of kinematic viscosity has the
priate safety and health practices and determine the applica-
2 4
dimensions of metre /second, and is equivalent to 10 St.
bility of regulatory limitations prior to use. For specific
3.1.4 vulnerable liquid—a liquid which by reason of its
precautionary statements, see 7.2, 7.3, and 7.4.
volatility, instability or reactivity in the presence of air or any
2. Referenced Documents
other specific gaseous medium may undergo physical or
chemical changes that may affect its viscosity.
2.1 ASTM Standards:
D445 Test Method for Kinematic Viscosity of Transparent
4. Summary of Test Method
2
and Opaque Liquids
4.1 The time is measured, in seconds, for a fixed volume of
D2162 Test Method for Basic Calibration of Master Vis-
2 liquid to flow under gravity through the capillary of the
cometers and Viscosity Oil Standards
3
viscometer under a reproducible driving head and at a closely
E1 Specification for ASTM Thermometers
controlled temperature. The kinematic viscosity is calculated
3. Terminology
fromthemeasuredflowtimeandthecalibrationconstantofthe
viscometer.
3.1 Definitions of Terms Specific to This Standard:
3.1.1 viscosity—the ratio between the applied shear stress
5. Significance and Use
and rate of shear.
5.1 Kinematic viscosity is a physical property which is of
3.1.1.1 Discussion—This ratio is called the coefficient of
importance in the design of systems in which flowing liquids
viscosity. The coefficient of viscosity (h) is thus a measure of
are used or handled.
theresistancetoflowoftheliquid.Thisiscommonlycalledthe
viscosity of the liquid.The cgs unit of viscosity is the poise. P,
6. Apparatus
which has the dimensions of dyne-seconds per square centi-
6.1 Viscometer Thermostat—Any transparent liquid or va-
metre: the centipoise (0.01 poise) is frequently used. The SI
2
por bath of sufficient depth such that at no time during the
unit of viscosity has the dimensions of newton second/metre ,
measurement will any portion of the sample in the viscometer
and is equivalent to 10 P.
be less than 20 mm below the surface of the bath liquid or less
3.1.2 density—the mass per unit volume of the liquid.
than 20 mm above the bottom of the bath may be used. The
temperature control must be such that for the range from 15 to
1
This test method is under the jurisdiction of Committee D02 on Petroleum 100°C (60 to 212°F) the temperature of the bath medium does
Products and Lubricantsand is the direct responsibility of Subcommittee D02.11on
not vary by more than 0.02°F (0.01°C) over the length of the
Engineering Science of High Performance Fluids and Solids.
viscometers, or between the position of each viscometer, or at
Current edition approved Oct. 15, 1991. Published December 1991.
2
Annual Book of ASTM Standards, Vol 05.01.
3
Annual Book of ASTM Standards, Vol 14.03.
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