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ASTM D5386-04

(Test Method)

Standard Test Method for Color of Liquids Using Tristimulus Colorimetry

Standard Test Method for Color of Liquids Using Tristimulus Colorimetry

SCOPE
1.1 This test method covers an instrumental method for the CIE (Commission International de l'Eclairage) tristimulus measurement of the color of near-clear liquid samples. The measurement is converted to color ratings in the platinum-cobalt system.
1.2 This test method has been found applicable to the color measurement of clear, liquid samples, free of haze, with nominal platinum cobalt color values in the 0 to 30 range. It is applicable to nonfluorescent liquids with light absorption characteristics similar to those of the platinum cobalt color standard solutions. Test Methods D 1686, D 2108, and E 450 deal with the visual and instrumental measurement of near-clear liquids.
1.3 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
31-Dec-2003
ICS
71.080.01 - Organic chemicals in general
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.04 - Instrumental Analysis
Current Stage
Ref Project

Relations

Replaces
ASTM D5386-93b(2000)e1 - Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
Effective Date
01-Jan-2004
Replaced By
ASTM D5386-05 - Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
Effective Date
15-Oct-2005
Referred By
ASTM D5309-22 - Standard Specification for Cyclohexane 999
Effective Date
01-Jan-2004
Referred By
ASTM D7185-19 - Standard Specification for Low Toluene Low Dioxane (LTLD) Benzene
Effective Date
01-Jan-2004
Referred By
ASTM E1119-23 - Standard Specification for Industrial Grade Ethylene Glycol
Effective Date
01-Jan-2004
Referred By
ASTM D1153-22 - Standard Specification for Methyl Isobutyl Ketone
Effective Date
01-Jan-2004
Referred By
ASTM D1836-07(2021) - Standard Specification for Commercial Hexanes
Effective Date
01-Jan-2004
Referred By
ASTM D4077-23 - Standard Specification for Cumene (Isopropylbenzene)
Effective Date
01-Jan-2004
Referred By
ASTM D2378-22 - Standard Specification for Formaldehyde 50 % Grade Uninhibited and 37 % Grade Inhibited and Uninhibited
Effective Date
01-Jan-2004
Referred By
ASTM D3193-19 - Standard Specification for Ethylbenzene
Effective Date
01-Jan-2004
Referred By
ASTM D4614-11(2019) - Standard Specification for Ethyl Acetate (All Grades)
Effective Date
01-Jan-2004
Referred By
ASTM D8087-18 - Standard Test Method for Color of Maleic Anhydride in the Molten State and After Heating (Platinum-Cobalt Scale) Using Tristimulus Colorimetry
Effective Date
01-Jan-2004
Referred By
ASTM D4615-22 - Standard Specification for <emph type="ital">n</emph>-Butyl Acetate (All Grades)
Effective Date
01-Jan-2004
Referred By
ASTM D7125-23 - Standard Specification for Cumene (Isopropylbenzene) Manufactured Via a Zeolite Process
Effective Date
01-Jan-2004
Referred By
ASTM D843-19 - Standard Specification for Nitration Grade Xylene
Effective Date
01-Jan-2004

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ASTM D5386-04 - Standard Test Method for Color of Liquids Using Tristimulus ColorimetryASTM D5386-04 - Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
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ASTM D5386-04 - Standard Test Method for Color of Liquids Using Tristimulus Colorimetry
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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
Designation:D5386–04
Standard Test Method for
1
Color of Liquids Using Tristimulus Colorimetry
This standard is issued under the fixed designation D 5386; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope* E 308 Practice for Computing the Colors of Objects by
Using the CIE System
1.1 This test method covers an instrumental method for the
E 313 Practice for Calculating Yellowness and Whiteness
CIE (Commission International de l’Eclairage) tristimulus
Indices from Instrumentally Measured Color Coordinates
measurement of the color of near-clear liquid samples. The
E 450 Method for Measurement of Color of Low-Colored
measurement is converted to color ratings in the platinum-
Clear Liquids Using the Hunterlab Color Difference
cobalt system.
3
Meter
1.2 This test method has been found applicable to the color
E 691 Practice for Conducting an Interlaboratory Study to
measurement of clear, liquid samples, free of haze, with
Determine the Precision of Test Methods
nominal platinum cobalt color values in the 0 to 30 range. It is
2.2 Other Document:
applicable to nonfluorescent liquids with light absorption
OSHA Regulations, 29 CFR, paragraphs 1910.1000 and
characteristics similar to those of the platinum cobalt color
4
1910.1200
standard solutions. Test Methods D 1686, D 2108, and E 450
deal with the visual and instrumental measurement of near-
3. Summary of Test Method
clear liquids.
3.1 Color is measured by tristimulus values of light trans-
1.3 This standard does not purport to address all of the
mitted by a sample as percent of light transmitted by distilled
safety concerns, if any, associated with its use. It is the
water. Convert the measured tristimulus values by appropriate
responsibility of the user of this standard to establish appro-
equations to the platinum-cobalt scale.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
4. Significance and Use
2. Referenced Documents 4.1 The major objective of the visual platinum-cobalt (Pt-
2 Co) method of color measurement, as defined in Test Method
2.1 ASTM Standards:
D 1209, is to rate specific materials for yellowness. This
D 1193 Specification for Reagent Water
yellowness is frequently the result of the undesirable tendency
D 1209 Test Method for Color of Clear Liquids (Platinum-
of liquid hydrocarbons to absorb blue light due to contamina-
Cobalt Scale)
tion in processing, storage or shipping.
D 1686 Test Method for Color of SolidAromatic Hydrocar-
4.2 Clear liquids can be rated for light absorbing yellowish
bons and Related Materials in the Molten State (Platinum-
or brownish contaminants, using scales that simulate the
Cobalt Scale)
long-established visual-comparison method just cited. Where
D 2108 Test Method for Color of Halogenated Organic
needed, dimensions of color can be reported to identify any
Solvents and Their Admixtures (Platinum-Cobalt Scale)
pinkness or greenness (one dimension), or grayness.
D 3437 Practice for Sampling and Handling Liquid Cyclic
Products
5. Apparatus
E 179 Guide for Selection of Geometric Conditions for
5.1 Instrument, with the following provisions:
Measurement of Reflection andTransmission Properties of
5.1.1 Instrument Sensor, shall provide a beam for illuminat-
Materials
ing the sample cell in transmission. The instrument shall be
capable of converting light measured in total transmission
1
This test method is under the jurisdiction of ASTM Committee D16 on through the sample cell to CIE X Y Z tristimulus color values
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
for the measurement conditions of CIE illuminant C and the
Subcommittee D16.04 on Instrumental Analysis.
CIE 1931 2 degree standard observer as described in Guide
Current edition approved Jan. 1, 2004. Published January 2004. Originally
E 179 and Practice E 308.
approved in 1993. Last previous edition approved in 1993 as
e1
D 5386 – 93b (2000) ).
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Withdrawn.
4
Standards volume information, refer to the standard’s Document Summary page on AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
the ASTM website. 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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4.1 The coulometric technique is especially suited for determining low concentrations of water in organic liquids that would yield small titers by the Karl Fischer volumetric procedure. The precision and accuracy of the coulometric technique decreases for concentrations of water much greater than 2.0 % because of the difficulty in measuring the small size of sample required. The test method assumes 100 % efficiency of coulombs in iodine production. Provision is made for verifying this efficiency. (See Table 1 and Note 5.)
SCOPE
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4.1 Water-insoluble materials present in a solvent expected to be completely water miscible may interfere with many uses of the solvent. This test method provides a measure of the miscibility of water-soluble solvents with a polar medium-water. It also provides a qualitative indication of the presence or absence of water-immiscible contaminants.  
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SCOPE
1.1 This test method covers the determination of the miscibility of water-soluble solvents with water. While written specifically for testing acetone, isopropyl alcohol (isopropanol), and methyl alcohol (methanol), the method is suitable for testing most water-soluble solvents.  
1.2 This test method serves to detect water-immiscible contaminants qualitatively; the level of detection of these impurities varies widely with both the type of solvent and the type of impurity.  
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