ASTM D1901-00(2004)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
Designation:D1901–00 (Reapproved2004)
Standard Test Method for
Relative Evaporation Time of Halogenated
Organic Solvents and Their Admixtures
This standard is issued under the fixed designation D1901; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 5. Apparatus
1.1 This test method covers the measurement of the relative 5.1 Test Panel —A1 by 100 by 150-mm (0.04 by 4 by 6-in.)
evaporation time of halogenated organic solvents and their panel of aluminum,AAAlloy 6061, Temper T4 or T6, having
admixtures. This test method is not applicable in the presence a horizontal scribe mark across the width of the panel 25 mm
of excessive drafts or high-velocity air currents. (1 in.) from one 100-mm edge.
1.2 This standard does not purport to address all of the 5.2 Support Base to hold the panel at 60 6 1° from the
safety concerns, if any, associated with its use. It is the horizontal.
responsibility of the user of this standard to establish appro- 5.3 Stopwatch, or electric interval timer.
priate safety and health practices and determine the applica- 5.4 Graduate, 10-mL, with pouring lip.
bility of regulatory limitations prior to use.
6. Reagents
2. Terminology
6.1 Perchloroethylene, initial boiling point 121°C, boiling
2.1 Definition: range 2°C, purity 99%.
2.1.1 admixture—a blend of a halogenated hydrocarbon 6.2 p-Xylene,99%.
with a nonhalogenated hydrocarbon (for example, mineral
7. Procedure
spirits).
7.1 Place a clean, water-break-free test panel on the support
3. Summary of Test Method
base at an angle of 60 6 1° from the horizontal, with the scribe
3.1 The evaporation rate is determined by measuring the mark at the lower end of the panel (Note 1). Using the
time required for complete evaporation of a thin film of the graduate, pour 10 mL of the material under test over the test
solvent from a sheet-metal panel in comparison with a refer- panel, being sure to get complete coverage of the entire
ence standard solvent. exposedsurface.Assoonasthe10mLoftestmaterialhasbeen
poured, observe the upper edge of the panel for a break in the
4. Significance and Use
continuity of coverage. Start the timing at the first sign of a
4.1 This test method gives valid comparisons of the evapo- break in liquid film coverage on the upper edge of the panel.
ration rates of the subject materials. These comparisons are
Stopthetimingwhenthelastportionoffilmhasrecededbelow
required for the determination of the suitability of a proposed the scribe mark (Note 2). This interval between the first sign of
material for specific cleaning applications.
incompletecoverageandtherecedingofthelastportionoffilm
below the scribe mark is referred to as the “dry time.”
This test method is under the jurisdiction of ASTM Committee D26 on
Halogenated Organic Solvents and Fire Extinguishing Agents and is the direct Test panels available from Corrosion Test Supplies, P. O. Box 233, French
responsibility of Subcommittee D26.04 on Test Methods. Settlement, LA, 70733, have been found satisfactory.
Current edition approved Dec. 1, 2004. Published December 2004. Originally Aluminum Association alloy designation in accordance with
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