ASTM D7111-15

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Designation: D7111 − 15
StandardTest Method for
Determination of Trace Elements in Middle Distillate Fuels
by Inductively Coupled Plasma Atomic Emission
1
Spectrometry (ICP-AES)
This standard is issued under the fixed designation D7111; 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.
1. Scope* D3605 Test Method for Trace Metals in Gas Turbine Fuels
by Atomic Absorption and Flame Emission Spectroscopy
1.1 This test method covers the determination of selected
D4057 Practice for Manual Sampling of Petroleum and
elements in middle distillate fuels by inductively coupled
Petroleum Products
plasma atomic emission spectrometry (ICP-AES). The specific
D4306 Practice for Aviation Fuel Sample Containers for
elements are listed in Table 1. The concentration range of this
Tests Affected by Trace Contamination
test method is approximately 0.1 mg⁄kg to 2.0 mg/kg. The test
D5185 Test Method for Multielement Determination of
method may be used for concentrations outside of this range;
Used and Unused Lubricating Oils and Base Oils by
however, the precision statements may not be applicable.
Inductively Coupled Plasma Atomic Emission Spectrom-
Middle distillate fuels covered in this test method have all
etry (ICP-AES)
distillation fractions contained within the boiling range of
D6299 Practice for Applying Statistical Quality Assurance
150 °C to 390 °C. This includes, but is not limited to, diesel
and Control Charting Techniques to Evaluate Analytical
fuels and aviation turbine fuels.
Measurement System Performance
1.2 This test method is not intended to analyze insoluble
D6792 Practice for Quality System in Petroleum Products
particulates. However, very small particulate matter (smaller
and Lubricants Testing Laboratories
than a micrometre) will be carried into the plasma and be
D7260 Practice for Optimization, Calibration, and Valida-
included in the quantitative analysis.
tion of Inductively Coupled Plasma-Atomic Emission
Spectrometry (ICP-AES) for ElementalAnalysis of Petro-
1.3 Thistestmethodmaygivearesultthatishigherthanthe
truevalueifananalyteispresentinthesampleinaformwhich leum Products and Lubricants
is sufficiently volatile. For example, hexamethyldisiloxane will
2.2 Military Standard:
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generate a biased high result for silicon.
MIL-DTL-16884 Fuel, Naval Distillate
1.4 The values stated in SI units are to be regarded as
3. Terminology
standard.
1.5 This standard does not purport to address all of the 3.1 Definitions:
3.1.1 calibration, n—the determination of the values of the
safety concerns, if any, associated with its use. It is the
significant parameters by comparison with values indicated by
responsibility of the user of this standard to establish appro-
a set of reference standards.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3.1.2 calibration curve, n—the graphical or mathematical
representation of a relationship between the assigned (known)
2. Referenced Documents
values of standards and the measured responses from the
2
2.1 ASTM Standards:
measurement system.
D2880 Specification for Gas Turbine Fuel Oils
3.1.3 calibration standard, n—a standard having an ac-
cepted value (reference value) for use in calibrating a measure-
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This test method is under the jurisdiction of ASTM Committee D02 on
ment instrument or system.
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.03 on Elemental Analysis.
3.1.4 detection limit, n—a stated limiting value that desig-
Current edition approved April 1, 2015. Published May 2015. Originally
nates the lowest concentration that can be determined with
approved in 2005. Last previous edition approved in 2014 as D7111 – 14. DOI:
10.1520/D7111-15. confidence and that is specific to the analytical procedure used.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Available online at http://quicksearch.dla.mil or http://assistdocs.com
*A Summary of Changes section appears at the end of this standard
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D7111−15
TABLE 1 Elements and Recommended Wavelengths TABLE 2 Internal Standards, Recommended Wavelengths, and
Approximate Use Concentrations
Element Wavelengths, nm
Internal Wavelength, Concentration,
Al
...