ASTM D6045-02

Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method

SCOPE
1.1 This test method covers the automatic determination of color of a wide variety of petroleum products such as undyed motor and aviation gasoline, aviation turbine fuels, naphthas, kerosine, pharmaceutical white oils, diesel fuel oils, heating oils, and lubricating oils by the automatic tristimulus method. This test method correlates to Test Method D 156 and Test Method D 1500 as calculated by the instrumentation.
Note 1 - With the appropriate sample handling, this test method would apply to petroleum waxes, but they were not used in the round robin, and the precision of this test method with regard to waxes is unknown.
1.2 This test method reports results in terms of Test Method D 156 or Test Method D 1500.
1.3 This test method has a one-to-one correlation for the entire range of Test Method D 1500 ASTM Color and for the range from 0 to +30 for Test Method D 156 Saybolt color.
1.4 This test method does not apply to solid samples, petroleum products containing dye, and petroleum products having extreme fluorescence.
1.5 This test method does not apply to cloudy samples. Such samples shall be filtered so they are clear before measuring.
1.6 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.

General Information

• Status: Historical
• Publication Date: 09-Apr-2002
• ICS: 75.080 - Petroleum products in general
• Technical Committee: D02 - Petroleum Products, Liquid Fuels, and Lubricants
• Drafting Committee: D02.05 - Properties of Fuels, Petroleum Coke and Carbon Material

Relations

• Replaces: ASTM D6045-96 - Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method
• Effective Date: 10-Apr-2002
• Replaced By: ASTM D6045-04 - Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method
• Effective Date: 01-Nov-2004
• Referred By: ASTM D7058-19 - Standard Test Method for Determination of the Red Dye Concentration and Estimation of Saybolt Color of Aviation Turbine Fuels and Kerosine Using a Portable Visible Spectrophotometer
• Effective Date: 10-Apr-2002
• Referred By: ASTM D7566-22a - Standard Specification for Aviation Turbine Fuel Containing Synthesized Hydrocarbons
• Effective Date: 10-Apr-2002
• Referred By: ASTM F3401-19 - Standard Test Method for Wax Binder Removal from Equestrian Synthetic Track Surfaces
• Effective Date: 10-Apr-2002
• Referred By: ASTM D6756-17 - Standard Test Method for Determination of the Red Dye Concentration and Estimation of the ASTM Color of Diesel Fuel and Heating Oil Using a Portable Visible Spectrophotometer
• Effective Date: 10-Apr-2002

Standards Content (Sample)

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
AnAmerican National Standard
Designation: D 6045 – 02
Standard Test Method for
Color of Petroleum Products by the Automatic Tristimulus
1
Method
This standard is issued under the fixed designation D6045; 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.
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1. Scope Petroleum Products
4
E284 Terminology of Appearance
1.1 This test method covers the automatic determination of
E308 Practice for Computing the Colors of Objects by
color of a wide variety of petroleum products such as undyed
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Using the CIE System
motor and aviation gasoline, aviation turbine fuels, naphthas,
2.2 Institute of Petroleum Standard:
kerosine, pharmaceutical white oils, diesel fuel oils, heating
5
IP 17 Determination of Colour—Lovibond Tintometer
oils, and lubricating oils by the automatic tristimulus method.
This test method correlates to Test Method D156 and Test
3. Terminology
Method D1500 as calculated by the instrumentation.
3.1 Definitions:
NOTE 1—Withtheappropriatesamplehandling,thistestmethodwould
3.1.1 ASTM color—the name of an empirical scale of
apply to petroleum waxes, but they were not used in the round robin, and
expressing of the color of a petroleum liquid darker than
the precision of this test method with regard to waxes is unknown.
Saybolt color based on a scale of 0.5 (lightest) to 8.0 Dil
1.2 This test method reports results in terms ofTest Method
(darkest) and determined by Test Method D1500.
D156 or Test Method D1500.
3.1.2 CIE—the abbreviation for the French title of the
1.3 This test method has a one-to-one correlation for the
International Commission on Illumination, or Commission
entire range of Test Method D1500 ASTM Color and for the
Internationale de l’Eclairage. E 284
range from 0 to+30 for Test Method D156 Saybolt color.
3.1.3 CIE Standard Illuminant C—Colorimetric illuminant,
1.4 This test method does not apply to solid samples,
representing daylight with a correlated color temperature of
petroleum products containing dye, and petroleum products
6774 K, defined by the CIE in terms of a relative spectral
having extreme fluorescence.
power distribution. E 284
1.5 Thistestmethoddoesnotapplytocloudysamples.Such
3.1.4 CIE 1931 standard observer—ideal colorimetric ob-
samples shall be filtered so they are clear before measuring.
server with color matching functions x(l), y(l), z(l) corre-
1.6 This standard does not purport to address all of the
spondingtoafieldofviewsubtendinga2°angleontheretina;
safety concerns, if any, associated with its use. It is the
commonly called the“ 2° Standard Observer” E 284
responsibility of the user of this standard to establish appro-
3.1.5 saybolt color—the name of an empirical scale for
priate safety and health practices and determine the applica-
expressing of the color of a clear petroleum liquid based on a
bility of regulatory limitations prior to use.
scale of−16 (darkest) to+30 (lightest) and determined by Test
Method D156.
2. Referenced Documents
3.1.6 Tristimulus Values—The amounts of three specified
2.1 ASTM Standards:
stimuli required to match a color.
D156 Test Method for Saybolt Color of Petroleum Prod-
3.1.6.1 Discussion—In the CIE system, they are assigned
2
ucts (Saybolt Chromometer Method)
the symbols X, Y, and Z. E 284
D1500 Test Method for ASTM Color of Petroleum Prod-
2
ucts (ASTM Color Scale) 4. Summary of Test Method
D2500 Test Method for Cloud Point of Petroleum Prod-
4.1 The sample is poured into the glass sample container,
2
ucts
and the container is placed into the light path of the automatic
D4057 Practice for Manual Sampling of Petroleum and
instrument.Atransmittancemeasurementisperformedinorder
to determine the CIE tristimulus values (under CIE Standard
Illuminant C and the CIE 1931 Standard Observer) of the
1
This practice is under the jurisdiction ofASTM Committee D02 on Petroleum
ProductsandLubricantsandisthedirectresponsibilityofSubcommitteeD02.05on
The Properties of Fuels, Petroleum Coke and Carbon Material.
3
Current edition approved April 10, 2002. Published June 2002. Originally Annual Book of ASTM Standards, Vol 05.02.
4
published as D6045–96. Last previous edition D6045–96. Annual Book of ASTM Standards, Vol 06.01.
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Annual Book of ASTM Standards, Vol 05.01. Institute of Petroleum, London, “Methods for Analysis Testing.”
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D6045–02
sampleinquestion.Thesearethenconvertedinstrumentallyby 6.1.3 Sample Cell—Sample cell shall be clean, clear, color-
the appropriate algorithm
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