Standard Test Method for Color Of Dyed Aviation Gasolines

SIGNIFICANCE AND USE
Aviation gasolines are dyed different colors for easy identification of grade, thus minimizing possibilities for fueling aircraft with fuel of the wrong grade.
SCOPE
1.1 This test method covers the determination of the acceptability of color of dyed aviation gasolines.
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 warning statements, see .

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Status
Historical
Publication Date
30-Jun-2006
Current Stage
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ASTM D2392-96(2006) - Standard Test Method for Color Of Dyed Aviation Gasolines
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D2392–96 (Reapproved 2006)
Standard Test Method for
Color of Dyed Aviation Gasolines
This standard is issued under the fixed designation D2392; 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 6. Procedure
1.1 This test method covers the determination of the accept- 6.1 Cleantheopticalsurfacesofthecolorcomparator.Insert
ability of color of dyed aviation gasolines. the empty fluid tubes in the comparator and adjust the position
1.2 This standard does not purport to address all of the of the light source until the intensities of the light from both
safety concerns, if any, associated with its use. It is the halves of the comparator split-field are equal.
responsibility of the user of this standard to establish appro- 6.2 Rinse and fill one of the tubes with the reference liquid
priate safety and health practices and determine the applica- to be used and insert the plunger. Wipe all excess reference
bility of regulatory limitations prior to use. For specific liquid from the outside of the tube and from the top of the
warning statements, see Annex A1. plunger, and insert the tube on the left side of the comparator.
6.3 Rinse and fill the other tube with the sample to be tested,
2. Summary of Test Method
and insert the plunger.Wipe all excess sample from the outside
2.1 The hue and color intensity of a sample of the gasoline of the tube and from the top of the plunger, and insert the tube
to be tested are compared with those of glass permanent-color
in the right side of the comparator, so that it is directly below
standards. the larger of the two openings when the access door is closed.
6.4 Insert the glass permanent-color standards into the
3. Significance and Use
comparator and rotate the standards until the color section can
3.1 Aviation gasolines are dyed different colors for easy
be viewed by transmitted light. Turn on the light source and
identificationofgrade,thusminimizingpossibilitiesforfueling
compare the two fields for hue and intensity with the minimum
aircraft with fuel of the wrong grade.
and maximum color sections of the glass permanent-color
standards.
4. Apparatus
6.5 Determine if the hue is approximately the same as the
4.1 Color Comparator, split-field, for viewing simultane-
standard and if the intensity of the color is between, or
ously (by transmitted light) the sample to be tested and the
equivalent to, the minimum and maximum, in which case the
combination of the reference liquid and the glass permanent-
color of the sample is acceptable. If the hue is different from
color standard.
the standard or if the intensity lies outside the minimum and
4.2 Fluid Tubes, of glass, 200-mm viewing depth, with a
maximum color sections, report the test as a fail.
fused-on plane bottom plate.
7. Report
4.3 Plungers, Fluid Type, of polished optical glass.
4.4 Aviation Gasoline Color Standards, permanent-color
7.1 Rep
...

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