ASTM D6379-21
(Test Method)Standard Test Method for Determination of Aromatic Hydrocarbon Types in Aviation Fuels and Petroleum Distillates—High Performance Liquid Chromatography Method with Refractive Index Detection
Standard Test Method for Determination of Aromatic Hydrocarbon Types in Aviation Fuels and Petroleum Distillates—High Performance Liquid Chromatography Method with Refractive Index Detection
SIGNIFICANCE AND USE
5.1 Accurate quantitative information on aromatic hydrocarbon types can be useful in determining the effects of petroleum processes on production of various finished fuels. This information can also be useful for indicating the quality of fuels and for assessing the relative combustion properties of finished fuels.
SCOPE
1.1 This test method covers a high performance liquid chromatographic test method for the determination of mono-aromatic and di-aromatic hydrocarbon contents in aviation kerosenes and petroleum distillates boiling in the range from 50 °C to 300 °C, such as Jet A or Jet A-1 fuels. The total aromatic content is calculated from the sum of the individual aromatic hydrocarbon-types.
Note 1: Samples with a final boiling point greater than 300 °C that contain tri-aromatic and higher polycyclic aromatic compounds are not determined by this test method and should be analyzed by Test Method D6591 or other suitable equivalent test methods.
1.2 This test method is applicable to distillates containing from 0.8 % to 44.0 % by mass mono-aromatic hydrocarbons, 0.23 % to 6.20 % by mass di-aromatic hydrocarbons, and 0.7 % to 50 % by mass total aromatics. Although this method generates results in m/m, results may also be quoted in v/v.
1.3 The precision of this test method has been established for kerosene boiling range distillates containing from 0.40 % to 44.0 % by mass mono-aromatic hydrocarbons, 0.02 % to 6.20 % by mass di-aromatic hydrocarbons, and 0.40 % to 50.0 % by mass total aromatics. If results are quoted in volume, the precision is 0.3 % to 41.4 % by volume mono-aromatics, 0.01 % to 5.00 % by volume di-aromatics, and 0.30 % to 46.3 % by volume total aromatics. As calculated by IP 367-1.
1.4 Compounds containing sulfur, nitrogen, and oxygen are possible interferents. Mono-alkenes do not interfere, but conjugated di- and poly-alkenes, if present, are possible interferents.
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.
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.
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Designation: D6379 − 21
Designation: 436/20
Standard Test Method for
Determination of Aromatic Hydrocarbon Types in Aviation
Fuels and Petroleum Distillates—High Performance Liquid
1,2
Chromatography Method with Refractive Index Detection
This standard is issued under the fixed designation D6379; 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.
INTRODUCTION
This test method is intended to be technically equivalent to IP 436-20 with an identical title. The
ASTM format for test methods has been used, and where possible, equivalent ASTM test methods
have replaced the IP or ISO standards.
The test method is intended to be used as one of several possible alternative instrumental test
methods that are aimed at quantitative determination of hydrocarbon types in fuels. This does not
imply that a correlation necessarily exists between this and any other test method intended to give this
information, and it is the responsibility of the user to determine such correlation if necessary.
1. Scope* 0.7 % to 50 % by mass total aromatics. Although this method
generates results in m/m, results may also be quoted in v/v.
1.1 This test method covers a high performance liquid
chromatographic test method for the determination of mono-
1.3 The precision of this test method has been established
aromatic and di-aromatic hydrocarbon contents in aviation
forkeroseneboilingrangedistillatescontainingfrom0.40 %to
kerosenes and petroleum distillates boiling in the range from
44.0 % by mass mono-aromatic hydrocarbons, 0.02 % to
50 °C to 300 °C, such as Jet A or Jet A-1 fuels. The total
6.20 % by mass di-aromatic hydrocarbons, and 0.40 % to
aromatic content is calculated from the sum of the individual
50.0 %bymasstotalaromatics.Ifresultsarequotedinvolume,
aromatic hydrocarbon-types.
the precision is 0.3 % to 41.4 % by volume mono-aromatics,
0.01 % to 5.00 % by volume di-aromatics, and 0.30 % to
NOTE 1—Samples with a final boiling point greater than 300 °C that
46.3 % by volume total aromatics. As calculated by IP 367-1.
contain tri-aromatic and higher polycyclic aromatic compounds are not
determined by this test method and should be analyzed by Test Method
1.4 Compounds containing sulfur, nitrogen, and oxygen are
D6591 or other suitable equivalent test methods.
possible interferents. Mono-alkenes do not interfere, but con-
1.2 This test method is applicable to distillates containing
jugated di- and poly-alkenes, if present, are possible interfer-
from 0.8 % to 44.0 % by mass mono-aromatic hydrocarbons,
ents.
0.23 % to 6.20 % by mass di-aromatic hydrocarbons, and
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1
This test method is under the jurisdiction of ASTM Committee D02 on
responsibility of the user of this standard to establish appro-
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
priate safety, health, and environmental practices and deter-
Subcommittee D02.04.0C on Liquid Chromatography. The technically equivalent
standardasreferencedisunderthejurisdictionoftheEnergyInstituteSubcommittee
mine the applicability of regulatory limitations prior to use.
SC-G-2.
1.6 This international standard was developed in accor-
Current edition approved July 15, 2021. Published September 2021. Originally
dance with internationally recognized principles on standard-
approved in 1999. Last previous edition approved in 2019 as D6379 – 11 (2019).
DOI: 10.1520/D6379-21.
ization established in the Decision on Principles for the
2
This test method has been developed through the cooperative effort between
Development of International Standards, Guides and Recom-
ASTM and the Energy Institute, London.ASTM and IPstandards were approved by
mendations issued by the World Trade Organization Technical
ASTMandEItechnicalcommitteesasbeingtechnicallyequivalentbutthatdoesnot
imply both standards are identical. Barriers to Trade (TBT) Committee.
*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
---------------------- Page: 1 ----------------------
D6379 − 21
2. Referenced Documents thearomatichydrocarbonsareseparatedfromthenon-aromatic
3 hydrocarbons into distinct bands in accordance with their ring
2.1 ASTM Standards:
structure, that is, MAHs and DAHs.
D4052 Test Method for Density, Relative Density, and API
Gravity of Liquids by Digital Density Meter 4.2 The column is connected to a refractive index detector
D4057 Pra
...
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: D6379 − 11 (Reapproved 2019) D6379 − 21
Designation: 436/01436/20
Standard Test Method for
Determination of Aromatic Hydrocarbon Types in Aviation
Fuels and Petroleum Distillates—High Performance Liquid
1,2
Chromatography Method with Refractive Index Detection
This standard is issued under the fixed designation D6379; 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.
INTRODUCTION
This test method is intended to be technically equivalent to IP 436-01436-20 with an identical title.
The ASTM format for test methods has been used, and where possible, equivalent ASTM test methods
have replaced the IP or ISO standards.
The test method is intended to be used as one of several possible alternative instrumental test
methods that are aimed at quantitative determination of hydrocarbon types in fuels. This does not
imply that a correlation necessarily exists between this and any other test method intended to give this
information, and it is the responsibility of the user to determine such correlation if necessary.
1. Scope Scope*
1.1 This test method covers a high performance liquid chromatographic test method for the determination of mono-aromatic and
di-aromatic hydrocarbon contents in aviation kerosenes and petroleum distillates boiling in the range from 50 °C to 300 °C, such
as Jet A or Jet A-1 fuels. The total aromatic content is calculated from the sum of the individual aromatic hydrocarbon-types.
NOTE 1—Samples with a final boiling point greater than 300 °C that contain tri-aromatic and higher polycyclic aromatic compounds are not determined
by this test method and should be analyzed by Test Method D6591 or other suitable equivalent test methods.
1.2 This test method is calibrated forapplicable to distillates containing from 10 %to 25 % m/m mono-aromatic hydrocarbons and
from 0 % to 7 % m/m di-aromatic hydrocarbons.0.8 % to 44.0 % by mass mono-aromatic hydrocarbons, 0.23 % to 6.20 % by mass
di-aromatic hydrocarbons, and 0.7 % to 50 % by mass total aromatics. Although this method generates results in m/m, results may
also be quoted in v/v.
1.3 The precision of this test method has been established for kerosene boiling range distillates containing from 10 % to 25 % m/m
mono-aromatic hydrocarbons and from 0 % to 7 % m/m di-aromatic hydrocarbons. 0.40 % to 44.0 % by mass mono-aromatic
hydrocarbons, 0.02 % to 6.20 % by mass di-aromatic hydrocarbons, and 0.40 % to 50.0 % by mass total aromatics. If results are
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.04.0C on Liquid Chromatography. The technically equivalent standard as referenced is under the jurisdiction of the Energy Institute Subcommittee SC-G-2.
Current edition approved June 1, 2019July 15, 2021. Published August 2019September 2021. Originally approved in 1999. Last previous edition approved in 20112019
as D6379 – 11.D6379 – 11 (2019). DOI: 10.1520/D6379-11R19. 10.1520/D6379-21.
In the IP, this test method is under the jurisdiction of the Standardization Committee.
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
---------------------- Page: 1 ----------------------
D6379 − 21
quoted in volume, the precision is 0.3 % to 41.4 % by volume mono-aromatics, 0.01 % to 5.00 % by volume di-aromatics, and
0.30 % to 46.3 % by volume total aromatics. As calculated by IP 367-1.
1.4 Compounds containing sulfur, nitrogen, and oxygen are possible interferents. Mono-alkenes do not interfere, but conjugated
di- and poly-alkenes, if present, are possible interferents.
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 prio
...
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