ASTM D5184-01(2006)
(Test Method)Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry
Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry
SIGNIFICANCE AND USE
Catalyst fines in fuel oils can cause abnormal engine wear. These test methods provide a means of determining silicon and aluminum, the major constituents of the catalysts.
SCOPE
1.1 These test methods cover the determination of aluminum and silicon in fuel oils at concentrations between 5 and 150 mg/kg for aluminum and 10 and 250 mg/kg for silicon.
1.2 Test Method A—Inductively coupled plasma atomic emission spectrometry is used in this test method to quantitatively determine aluminum and silicon.
1.3 Test Method B—Flame atomic absorption spectrometry is used in this test method to quantitatively determine aluminum and silicon.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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. Specific warning statements are given in Sections 7.6, 10.1, and 11.5.
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Designation: D5184 − 01(Reapproved 2006)
Standard Test Methods for
Determination of Aluminum and Silicon in Fuel Oils by
Ashing, Fusion, Inductively Coupled Plasma Atomic
Emission Spectrometry, and Atomic Absorption
1
Spectrometry
This standard is issued under the fixed designation D5184; 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 Measurement System Performance
E135 Terminology Relating to Analytical Chemistry for
1.1 These test methods cover the determination of alumi-
Metals, Ores, and Related Materials
num and silicon in fuel oils at concentrations between 5 and
150 mg/kg for aluminum and 10 and 250 mg/kg for silicon.
3. Terminology
1.2 Test Method A—Inductively coupled plasma atomic
3.1 Definitions:
emission spectrometry is used in this test method to quantita-
3.1.1 emission spectroscopy—Refer to Terminology E135.
tively determine aluminum and silicon.
1.3 Test Method B—Flame atomic absorption spectrometry 3.2 Definitions of Terms Specific to This Standard:
is used in this test method to quantitatively determine alumi-
3.2.1 calibration—the process by which the relationship
num and silicon.
between signal intensity and elemental concentration is deter-
mined for a specific element analysis.
1.4 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
3.2.2 check standard—in calibration, an artifact measured
standard.
periodically, the results of which typically are plotted on a
1.5 This standard does not purport to address all of the
control chart to evaluate the measurement process.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Summary of Test Methods
priate safety and health practices and determine the applica-
4.1 Aweighed quantity of homogenized sample is heated in
bility of regulatory limitations prior to use. Specific warning
a clean platinum dish, the combustible material is removed by
statements are given in Sections 7.6, 10.1, and 11.5.
burning and the carbon finally removed by heating in a muffle
2. Referenced Documents furnace at a temperature of 550 6 25°C. The residue is fused
2
with a lithium tetraborate/lithium fluoride flux. The fused
2.1 ASTM Standards:
mixture is digested in a solution of tartaric acid and hydrochlo-
D1193 Specification for Reagent Water
ric acid and diluted to volume with water. The resulting
D4057 Practice for Manual Sampling of Petroleum and
solution is aspirated into an inductively-coupled plasma and
Petroleum Products
the emission intensities of aluminum and silicon lines are
D4177 Practice for Automatic Sampling of Petroleum and
measured. Standard calibration solutions are also aspirated and
Petroleum Products
aluminum and silicon intensities are measured for comparison.
D6299 Practice for Applying Statistical Quality Assurance
Alternatively, the resulting solution is aspirated into the flame
and Control Charting Techniques to Evaluate Analytical
ofanatomicabsorptionspectrometerandtheabsorptionsofthe
resonance radiation of aluminum and silicon are measured.
1
These test methods are under the jurisdiction of ASTM Committee D02 on
Standard calibration solutions are also aspirated and aluminum
Petroleum Products and Lubricants and are the direct responsibility of Subcommit-
andsiliconabsorptionintensitiesaremeasuredforcomparison.
tee D02.03 on Elemental Analysis.
Current edition approved May 1, 2006. Published June 2006. Originally
approved in 1991. Last previous edition approved in 2001 as D5184 – 01. DOI:
5. Significance and Use
10.1520/D5184-01R06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1 Catalyst fines in fuel oils can cause abnormal engine
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
wear. These test methods provide a means of determining
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. silicon and aluminum, the major constituents of the catalysts.
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D5184 − 01 (2006)
6. Apparatus 7.2 Purity of Water—Unless otherwise indicated, reference
towatershallbeunderstoodtomeanreagentwaterconforming
6.1 Balance, capable of weighing to 0.1 g, capacity of
to Type II of Specification D1193.
150 g.
7.3 Flux—Mixture of 90 % lithium tetraborate and 10 %
6.2 Choice of Instrument:
lithium fluoride.
6.2.1 Inductively-Coupled Plasma Atomic Emission
Spec
...
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