ASTM D611-23
(Test Method)Standard Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents
Standard Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents
SIGNIFICANCE AND USE
5.1 The aniline point (or mixed aniline point) is useful as an aid in the characterization of pure hydrocarbons and in the analysis of hydrocarbon mixtures. Aromatic hydrocarbons exhibit the lowest, and paraffins the highest values. Cycloparaffins and olefins exhibit values that lie between those for paraffins and aromatics. In homologous series the aniline points increase with increasing molecular weight. Although it occasionally is used in combination with other physical properties in correlative methods for hydrocarbon analysis, the aniline point is most often used to provide an estimate of the aromatic hydrocarbon content of mixtures.
SCOPE
1.1 These test methods cover the determination of the aniline point of petroleum products and hydrocarbon solvents. Test Method A is suitable for transparent samples with an initial boiling point above room temperature and where the aniline point is below the bubble point and above the solidification point of the aniline-sample mixture. Test Method B, a thin-film method, is suitable for samples too dark for testing by Test Method A. Test Methods C and D are for samples that may vaporize appreciably at the aniline point. Test Method D is particularly suitable where only small quantities of sample are available. Test Method E describes a procedure using an automatic apparatus suitable for the range covered by Test Methods A and B.
1.2 These test methods also cover the determination of the mixed aniline point of petroleum products and hydrocarbon solvents having aniline points below the temperature at which aniline will crystallize from the aniline-sample mixture.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 WARNING—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in Section 7.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
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Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D611 − 23
Designation: 2/98 (2014)
Standard Test Methods for
Aniline Point and Mixed Aniline Point of Petroleum Products
1,2
and Hydrocarbon Solvents
This standard is issued under the fixed designation D611; 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 U.S. Department of Defense.
1. Scope* products. See the applicable product Safety Data Sheet (SDS)
for additional information. The potential exists that selling
1.1 These test methods cover the determination of the
mercury or mercury-containing products, or both, is prohibited
aniline point of petroleum products and hydrocarbon solvents.
by local or national law. Users must determine legality of sales
Test Method A is suitable for transparent samples with an
in their location.
initial boiling point above room temperature and where the
aniline point is below the bubble point and above the solidifi-
1.5 This standard does not purport to address all of the
cation point of the aniline-sample mixture. Test Method B, a
safety concerns, if any, associated with its use. It is the
thin-film method, is suitable for samples too dark for testing by
responsibility of the user of this standard to establish appro-
Test Method A. Test Methods C and D are for samples that may
priate safety, health, and environmental practices and deter-
vaporize appreciably at the aniline point. Test Method D is
mine the applicability of regulatory limitations prior to use.
particularly suitable where only small quantities of sample are
Specific warning statements are given in Section 7.
available. Test Method E describes a procedure using an
1.6 This international standard was developed in accor-
automatic apparatus suitable for the range covered by Test
dance with internationally recognized principles on standard-
Methods A and B.
ization established in the Decision on Principles for the
1.2 These test methods also cover the determination of the Development of International Standards, Guides and Recom-
mixed aniline point of petroleum products and hydrocarbon
mendations issued by the World Trade Organization Technical
solvents having aniline points below the temperature at which Barriers to Trade (TBT) Committee.
aniline will crystallize from the aniline-sample mixture.
2. Referenced Documents
1.3 The values stated in SI units are to be regarded as
3
standard. No other units of measurement are included in this
2.1 ASTM Standards:
standard.
D1500 Test Method for ASTM Color of Petroleum Products
(ASTM Color Scale)
1.4 WARNING—Mercury has been designated by many
regulatory agencies as a hazardous substance that can cause D4175 Terminology Relating to Petroleum Products, Liquid
Fuels, and Lubricants
serious medical issues. Mercury, or its vapor, has been dem-
onstrated to be hazardous to health and corrosive to materials. E1 Specification for ASTM Liquid-in-Glass Thermometers
Use caution when handling mercury and mercury-containing
3. Terminology
3.1 Definitions:
1
These test methods are under the jurisdiction of ASTM International Commit-
3.1.1 For definitions of terms used in this test method, refer
tee D02 on Petroleum Products, Liquid Fuels, and Lubricants and are the direct
to Terminology D4175.
responsibility of ASTM Subcommittee D02.04.0D on Physical and Chemical
Methods. The technically equivalent standard as referenced is under the jurisdiction
3.1.2 aniline point, n—the minimum equilibrium solution
of the Energy Institute Subcommittee SC-B-10.
temperature for equal volumes of aniline and sample.
Current edition approved May 1, 2023. Published May 2023. Originally
approved in 1941. Last previous edition approved in 2016 as D611 – 12 (2016).
DOI: 10.1520/D0611-23.
These test methods were adopted as a joint ASTM-IP standard in 1964.
2 3
This test method has been developed through the cooperative effort between For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ASTM and the Energy Institute, London. ASTM and IP standards were approved by contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
ASTM and EI technical committees as being technically equivalent but that does not Standards volume information, refer to the standard’s Document Summary page on
imply both standards are identical. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Dr
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D611 − 12 (Reapproved 2016) D611 − 23
Designation: 2/98 (2014)
Standard Test Methods for
Aniline Point and Mixed Aniline Point of Petroleum Products
1,2
and Hydrocarbon Solvents
This standard is issued under the fixed designation D611; 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 U.S. Department of Defense.
1. Scope Scope*
1.1 These test methods cover the determination of the aniline point of petroleum products and hydrocarbon solvents. Test Method
A is suitable for transparent samples with an initial boiling point above room temperature and where the aniline point is below the
bubble point and above the solidification point of the aniline-sample mixture. Test Method B, a thin-film method, is suitable for
samples too dark for testing by Test Method A. Test Methods C and D are for samples that may vaporize appreciably at the aniline
point. Test Method D is particularly suitable where only small quantities of sample are available. Test Method E describes a
procedure using an automatic apparatus suitable for the range covered by Test Methods A and B.
1.2 These test methods also cover the determination of the mixed aniline point of petroleum products and hydrocarbon solvents
having aniline points below the temperature at which aniline will crystallize from the aniline-sample mixture.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 WARNING—Mercury has been designated by many regulatory agencies as a hazardous materialsubstance that can cause
central nervous system, kidney and liver damage. serious medical issues. Mercury, or its vapor, may has been demonstrated to be
hazardous to health and corrosive to materials. Caution should be taken Use caution when handling mercury and mercury
containing mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA’s
website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware (SDS) for additional informa-
tion. The potential exists that selling mercury and/or mercury containing products into your state or country may be prohibited by
law.or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their
location.
1.5 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 healthsafety, health, and environmental practices and determine
the applicability of regulatory limitations prior to use. Specific warning statements are given in Section 7.
1
These test methods are under the jurisdiction of ASTM International Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and are the direct responsibility
of ASTM Subcommittee D02.04.0D on Physical and Chemical Methods. The technically equivalent standard as referenced is under the jurisdiction of the Energy Institute
Subcommittee SC-B-10.
Current edition approved Oct. 1, 2016May 1, 2023. Published November 2016May 2023. Originally approved in 1941. Last previous edition approved in 20122016 as
D611 – 12.D611 – 12 (2016). DOI: 10.1520/D0611-12R16.10.1520/D0611-23.
These test methods were adopted as a joint ASTM-IP standard in 1964.
2
This test method has been developed through the cooperative effort between ASTM and the Energy Institute, London. ASTM and IP standards were approved by ASTM
and EI technical committees as being technically equivalent but that does not imply both standards are identical.
*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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D611 − 23
1.6 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
3
2.1 ASTM Standards:
D
...
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