ASTM D848-03

Standard Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons

SIGNIFICANCE AND USE
This test method is suitable for setting specifications on the materials referenced in 1.1. It may also be used as an internal quality control tool and in development or research work.
The color developed in the acid layer gives an indication of impurities which if sulfonated would cause the material to be discolored.
SCOPE
1.1 This test method covers the determination of the acid wash color of benzene, toluene, xylenes, refined solvent naphthas, and similar industrial aromatic hydrocarbons.
1.2 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 hazard statements, see Sections 8 and 12.1.

General Information

• Status: Historical
• Publication Date: 09-Jun-2003
• ICS: 71.080.15 - Aromatic hydrocarbons
• Technical Committee: D16 - Aromatic, Industrial, Specialty and Related Chemicals
• Drafting Committee: D16.01 - Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives

Relations

• Replaces: ASTM D848-02 - Standard Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
• Effective Date: 10-Jun-2003
• Replaced By: ASTM D848-09 - Standard Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
• Effective Date: 01-Dec-2009
• Referred By: ASTM D268-22 - Standard Guide for Sampling and Testing Volatile Solvents and Chemical Intermediates for Use in Paint and Related Coatings and Material
• Effective Date: 10-Jun-2003
• Referred By: ASTM D7185-19 - Standard Specification for Low Toluene Low Dioxane (LTLD) Benzene
• Effective Date: 10-Jun-2003
• Referred By: ASTM D5606-19 - Standard Specification for Toluene for Toluene Diisocyanate (TDI) Feedstock
• Effective Date: 10-Jun-2003
• Referred By: ASTM D7951-20 - Standard Specification for Disproportionation (TDP) Toluene
• Effective Date: 10-Jun-2003
• Referred By: ASTM D2359-19 - Standard Specification for Refined Benzene-535
• Effective Date: 10-Jun-2003
• Referred By: ASTM D841-19 - Standard Specification for Nitration Grade Toluene
• Effective Date: 10-Jun-2003
• Referred By: ASTM D5871-19 - Standard Specification for Benzene for Cyclohexane Feedstock
• Effective Date: 10-Jun-2003
• Referred By: ASTM D7124-19 - Standard Specification for Benzene for Use with Zeolite Based Catalysts
• Effective Date: 10-Jun-2003
• Referred By: ASTM D843-19 - Standard Specification for Nitration Grade Xylene
• Effective Date: 10-Jun-2003
• Referred By: ASTM D4790-23 - Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
• Effective Date: 10-Jun-2003

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:D848–03
Standard Test Method for
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Acid Wash Color of Industrial Aromatic Hydrocarbons
This standard is issued under the fixed designation D848; 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 (´) 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. Significance and Use
1.1 This test method covers the determination of the acid 5.1 This test method is suitable for setting specifications on
wash color of benzene, toluene, xylenes, refined solvent the materials referenced in 1.1. It may also be used as an
naphthas, and similar industrial aromatic hydrocarbons. internal quality control tool and in development or research
1.2 This standard does not purport to address all of the work.
safety concerns, if any, associated with its use. It is the 5.2 Thecolordevelopedintheacidlayergivesanindication
responsibility of the user of this standard to establish appro- of impurities which if sulfonated would cause the material to
priate safety and health practices and determine the applica- be discolored.
bility of regulatory limitations prior to use. For specific hazard
6. Apparatus
statements, see Sections 8 and 12.1.
6.1 Containers for Color Standards—Clear and unblem-
2. Referenced Documents
ished, clean, French square, flint-glass, flat-bottom, glass-
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2.1 ASTM Standards: stoppered, 1-oz capacity bottles holding 31 to 33 mL when
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D1193 Specification for Reagent Water filled to the neck. The bottles shall be labeled with the
D3437 Practice for Sampling and Handling Liquid Cyclic reference number of the color standard they contain (see 11.2).
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Products 6.2 Test Containers—Containers exactly like those de-
D4790 TerminologyofAromaticHydrocarbonsandRelated scribed in 6.1 except that each French square bottle shall be
Chemicals marked by etching to show when the bottle contains the
2.2 Other Document: volume of 7 and 28 mL, respectively. Colored crayons and
OSHA Regulations.29 CFR, paragraphs 1910.1000 and similar markers shall not be used for marking the bottles.
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1910.1200
7. Reagents
3. Terminology
7.1 Purity of Reagents—Reagent grade chemicals shall be
3.1 SeeTerminology D4790 for definitions of terms used in used in all tests. Unless otherwise indicated, it is intended that
this test method. all reagents shall conform to the specifications of the Commit-
tee onAnalytical Reagents of theAmerican Chemical Society,
4. Summary of Test Method 6
where such specifications are available. Other grades may be
4.1 Amixtureofthearomatichydrocarbonandsulfuricacid
used provided it is first ascertained that the reagent is of
isvigorouslyshakenandthecoloroftheacidlayeriscompared sufficiently high purity to permit its use without lessening the
with that of color standards prepared from CoCl and FeCl .
accuracy of the determination.
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This test method is under the jurisdiction of ASTM Committee D16 on The sole source of supply of the apparatus known to the committee at this time
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of is Ramin USA Corporation, 39019 FM 149 Rd., Magnolia, TX 77354. If you are
Subcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their aware of alternative suppliers, please provide this information to ASTM Interna-
Derivatives. tional Headquarters.Your comments will receive careful consideration at a meeting
Current edition approved June 10, 2003. Published July 2003. Originally of the responsible technical committee, which you may attend.
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approved in 1945. Last previous edition approved in 2002 as D848–02. DOI: Reagent Chemicals, American Chemical Society Specifications, American
10.1520/D0848-03. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
2
Annual Book of ASTM Standards, Vol 11.01. listed by the American Chemical Society, see Analar Standards for Laboratory
3
Annual Book of ASTM Standards, Vol 06.04. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
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Available from Superintendent of Documents, U.S. Government Printing and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
Office, Washington, DC 20402. MD.
*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.
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D848–03
7.2 Purity of Water—Unlessotherwiseindicated,references
No. 0—Distilled water.
No. 1—1 volume of Solution C plus 1 volume of water.
to water shall be understood to mean disti
...