ASTM D5059-07

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D5059 − 07
StandardTest Methods for
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Lead in Gasoline by X-Ray Spectroscopy
This standard is issued under the fixed designation D5059; 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 Department of Defense.
1. Scope* 2. Referenced Documents
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1.1 These test methods cover the determination of the total 2.1 ASTM Standards:
D3341 Test Method for Lead in Gasoline—Iodine Mono-
lead content of a gasoline within the following concentration
ranges: chloride Method
D4057 Practice for Manual Sampling of Petroleum and
0.010 to 5.0 g Pb/US gal
0.012 to 6.0 g Pb/UK gal
Petroleum Products
0.0026 to 1.32 g Pb/L
D6299 Practice for Applying Statistical Quality Assurance
1.1.1 Test Methods A and B cover the range of 0.10 to 5.0
and Control Charting Techniques to Evaluate Analytical
g Pb/US gal. Test Method C covers the range of 0.010 to 0.50
Measurement System Performance
g Pb/US gal.
D6792 Practice for Quality System in Petroleum Products
1.1.2 These test methods compensate for normal variation
and Lubricants Testing Laboratories
ingasolinecompositionandareindependentofleadalkyltype.
3. Summary of Test Method
1.2 Test Method A (formerly in withdrawn Test Method
3.1 There are three alternative test methods, as follows.
D2599)—Sections 5-9.
3.1.1 Test Method A (Bismuth Internal Standard Method
Test Method B (formerly in withdrawn Test Method
High Concentration)—One volume of sample is mixed thor-
D2599)—Sections 10-14.
oughly with an equal volume of bismuth internal standard
Test Method C (formerly in withdrawn Test Method
solution. The mixture is placed in the X-ray beam and the
D3229)—Sections 15-19.
intensitiesofthelead L-α radiationat1.175 Åandthebismuth
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1.3 The values stated in SI are to be regarded as the
L-α radiation at 1.144 Å are determined. The lead concentra-
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standard. For reporting purposes the values stated in grams per
tion of the sample is measured by comparing the ratio of gross
U.S. gallon are the preferred units in the United States. Note
counting rate at 1.175 Å with the gross counting rate at 1.144
that in other countries, other units can be preferred.
Å to a previous prepared calibration curve of concentration
versus the same ratios.
1.4 This standard does not purport to address all of the
3.1.2 Test Method B (Scattered Tungsten Radiation
safety concerns, if any, associated with its use. It is the
Method)—The ratio of the net X-ray intensity of the lead L-α
responsibility of the user of this standard to establish appro-
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radiation to the net intensity of the incoherently scattered
priate safety and health practices and determine the applica-
tungsten L-α radiation is obtained on a portion of the sample.
bility of regulatory limitations prior to use. For specific hazard
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The lead content is determined by multiplying this ratio by a
statements, see Sections 5, 6, 11, and 18.
calibration factor obtained with a standard lead solution of
known concentration.
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3.1.3 Test Method C (Bismuth Internal Standard Method,
These test methods are under the jurisdiction of Committee D02 on Petroleum
Products and Lubricants and are the direct responsibility of Subcommittee D02.03
Low Concentration)—Twenty millilitres of sample is mixed
on Elemental Analysis.
thoroughly with two milliliters of bismuth internal standard
Current edition approved Dec. 1, 2007. Published January 2008. Originally
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approved in 1990. Last previous edition approved in 2003 as D5059–98(2003) .
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Initially published as D2599 – 67T and D3229 – 73, now withdrawn. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
These test methods have been approved by the sponsoring committees and contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
accepted by the cooperating organizations in accordance with established proce-
Standards volume information, refer to the standard’s Document Summary page on
dures. DOI: 10.1520/D5059-07.
the ASTM website.
*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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D5059 − 07
solution. The mixture is placed in the X-ray beam of a 6.3 Bismuth Internal Standard Solution —Dilute the
spectrometer and the intensities of the lead L-α radiation at hydrocarbon-soluble bismuth with a suitable solvent. If bis-
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1.175 Å, the bismuth L-α radiation at 1.144 Å, and a back- muth 2-ethylhexoate is used, add 2-ethylhexanoic aci
...