ASTM D5059-13

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D5059 − 13
StandardTest Methods for
1
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* D3341 Test Method for Lead in Gasoline—Iodine Mono-
chloride Method
1.1 These test methods cover the determination of the total
D4057 Practice for Manual Sampling of Petroleum and
lead content of a gasoline within the following concentration
Petroleum Products
ranges:
D6299 Practice for Applying Statistical Quality Assurance
0.010 to 5.0 g Pb/US gal
and Control Charting Techniques to Evaluate Analytical
0.012 to 6.0 g Pb/UK gal
0.0026 to 1.32 g Pb/L Measurement System Performance
D6792 Practice for Quality System in Petroleum Products
1.1.1 Test Methods A and B cover the range of 0.10 to 5.0
and Lubricants Testing Laboratories
g Pb/US gal. Test Method C covers the range of 0.010 to 0.50
g Pb/US gal.
3. Summary of Test Method
1.1.2 These test methods compensate for normal variation
3.1 There are three alternative test methods, as follows.
ingasolinecompositionandareindependentofleadalkyltype.
3.1.1 Test Method A (Bismuth Internal Standard Method
1.2 Test Method A (formerly in withdrawn Test Method
High Concentration)—One volume of sample is mixed thor-
D2599)—Sections5–9.
oughly with an equal volume of bismuth internal standard
Test Method B (formerly in withdrawn Test Method
solution. The mixture is placed in the X-ray beam and the
D2599)—Sections10–14.
intensitiesofthelead L-α radiationat1.175 Åandthebismuth
1
Test Method C (formerly in withdrawn Test Method
L-α radiation at 1.144 Å are determined. The lead concentra-
1
D3229)—Sections15–19.
tion of the sample is measured by comparing the ratio of gross
1.3 The values stated in SI are to be regarded as the
counting rate at 1.175 Å with the gross counting rate at 1.144
standard. For reporting purposes the values stated in grams per
Å to a previous prepared calibration curve of concentration
U.S. gallon are the preferred units in the United States. Note
versus the same ratios.
that in other countries, other units can be preferred.
3.1.2 Test Method B (Scattered Tungsten Radiation
Method)—The ratio of the net X-ray intensity of the lead L-α
1.4 This standard does not purport to address all of the 1
radiation to the net intensity of the incoherently scattered
safety concerns, if any, associated with its use. It is the
tungsten L-α radiation is obtained on a portion of the sample.
responsibility of the user of this standard to establish appro- 1
The lead content is determined by multiplying this ratio by a
priate safety and health practices and determine the applica-
calibration factor obtained with a standard lead solution of
bility of regulatory limitations prior to use. For specific hazard
known concentration.
statements, see Sections 5, 6, 11, and 18.
3.1.3 Test Method C (Bismuth Internal Standard Method,
2. Referenced Documents
Low Concentration)—Twenty millilitres of sample is mixed
2 thoroughly with two milliliters of bismuth internal standard
2.1 ASTM Standards:
solution. The mixture is placed in the X-ray beam of a
spectrometer and the intensities of the lead L-α radiation at
1
1 1.175 Å, the bismuth L-α radiation at 1.144 Å, and a back-
These test methods are under the jurisdiction of Committee D02 on Petroleum
1
Products and Lubricants and are the direct responsibility of Subcommittee D02.03
ground at 1.194 Å are determined. A blank, made with
on Elemental Analysis.
iso-octane and bismuth internal standard, is run using the same
Current edition approved June 15, 2013. Published August 2013. Originally
procedure. The lead concentration is measured by determining
approved in 1990. Last previous edition approved in 2007 as D5059 – 07. DOI:
the ratio of the net counting rate at 1.175 Å to the gross
10.1520/D5059-13.
Initially published as D2599 – 67T and D3229 – 73, now withdrawn.
counting rate at 1.144 Å for the sample, subtracting the
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
comparable ratio found for the blank, and comparing to a
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
previously prepared calibration curve of concentration versus
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the same ratios.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, P
...