ASTM-D6045 2009(Redline)

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D6045-09 Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method (Redline)

Published By	Publication Date	Number of Pages
ASTM	2009	10

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Category: ASTM

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Description

Significance and Use

Determination of the color of petroleum products is used mainly for manufacturing control purposes and is an important quality characteristic because color is readily observed by the user of the product. In some cases the color may serve as an indication of the degree of refinement of the material. When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications.

1. 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 D156 and Test Method D1500 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 D156 or Test Method D1500 .

1.3 This test method has a one-to-one correlation for the entire range of Test Method D1500 ASTM Color and for the range from 0 to +30 for Test Method D156 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D156 Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method) D1500 Test Method for ASTM Color of Petroleum Products (ASTM Color Scale) D2500 Test Method for Cloud Point of Petroleum Products D4057 Practice for Manual Sampling of Petroleum and Petroleum Products E284 Terminology of Appearance E308 Practice for Computing the Colors of Objects by Using the CIE System

Energy Institute Standard

IP17 Determination of Colour–Lovibond Tintometer Methods for Analysis Testing, available from Energy Institute, 61 New Cavendish St., London, WIG 7AR, U.K.

Keywords

ASTM color; automatic colorimeter; color measurement; petroleum products color; Saybolt; tristimulus; ASTM color scale; Automated procedures–petroleum products analysis; Aviation fuels; Color–petroleum products; Gasoline; Saybolt color; Tristimulus value; Undyed motor gasoline;

ICS Code

ICS Number Code 75.080 (Petroleum products in general)

DOI: 10.1520/D6045-09 ASTM International is a member of CrossRef.

ASTM D6045 (Petroleum Standards)

Citing ASTM Standards

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Additional information

Standard Title	D6045-09 Standard Test Method for Color of Petroleum Products by the Automatic Tristimulus Method (Redline)
Published Code	ASTM
Publication Date	2009
Pages Count	10

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ASTM-D6045 2009(Redline)

ASTM D6045 (Petroleum Standards)

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