ASTM D3683-11
(Test Method)Standard Test Method for Trace Elements in Coal and Coke Ash by Atomic Absorption (Withdrawn 2018)
Standard Test Method for Trace Elements in Coal and Coke Ash by Atomic Absorption (Withdrawn 2018)
SIGNIFICANCE AND USE
Many trace elements occur in coal, primarily as a part of the mineral matter but may also be associated with the organic matrix. Concern over release of certain trace elements to the environment as a result of coal utilization has made the determination of these elements an increasingly important aspect of coal analysis.
When coal ash is prepared in accordance with this test method, the eight elements listed in 1.1 are quantitatively retained in the ash and are representative of concentrations in the coal. Concentrations of these and other elements in power plant ash, industrial process ash, fly ash, and so forth, may or may not be representative of total quantities in the coal.
SCOPE
1.1 This test method describes a procedure for the determination of beryllium, chromium, copper, manganese, nickel, lead, vanadium, and zinc in coal ash or coke ash.
1.2 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.
1.3 The values stated in SI units () should be regarded as the standard.
WITHDRAWN RATIONALE
This test method describes a procedure for the determination of beryllium, chromium, copper, manganese, nickel, lead, vanadium, and zinc in coal ash or coke ash.
Formerly under the jurisdiction of Committee D05 on Coal and Coke, this test method was withdrawn without replacement in September 2018 due to its limited use by industry.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D3683 − 11
Standard Test Method for
Trace Elements in Coal and Coke Ash by Atomic
1
Absorption
This standard is issued under the fixed designation D3683; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
method−100-mesh (150-µm) coal is recommended.
1. Scope
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1.1 This test method describes a procedure for the deter-
3. Terminology
mination of beryllium, chromium, copper, manganese, nickel,
3.1 Definitions—Definitions applicable to this test method
lead, vanadium, and zinc in coal ash or coke ash.
are listed in D121, Terminology of Coal and Coke.
1.2 This standard does not purport to address all of the
4. Summary of Test Method
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4.1 Coal or coke is ashed, the ash is dissolved by mineral
priate safety and health practices and determine the applica-
acids, and the individual elements determined by atomic
bility of regulatory limitations prior to use.
absorption spectrometry.
1.3 ThevaluesstatedinSIunits(IEEE/ASTMSI10)should
5. Significance and Use
be regarded as the standard.
5.1 Manytraceelementsoccurincoal,primarilyasapartof
2. Referenced Documents
the mineral matter but may also be associated with the organic
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matrix. Concern over release of certain trace elements to the
2.1 ASTM Standards:
environment as a result of coal utilization has made the
D121Terminology of Coal and Coke
determination of these elements an increasingly important
D346Practice for Collection and Preparation of Coke
aspect of coal analysis.
Samples for Laboratory Analysis
D1193Specification for Reagent Water
5.2 When coal ash is prepared in accordance with this test
D2013Practice for Preparing Coal Samples for Analysis
method, the eight elements listed in 1.1 are quantitatively
D3173Test Method for Moisture in theAnalysis Sample of
retained in the ash and are representative of concentrations in
Coal and Coke
the coal. Concentrations of these and other elements in power
D3180Practice for Calculating Coal and Coke Analyses
plant ash, industrial process ash, fly ash, and so forth, may or
from As-Determined to Different Bases
may not be representative of total quantities in the coal.
D7582Test Methods for Proximate Analysis of Coal and
6. Apparatus
Coke by Macro Thermogravimetric Analysis
IEEE/ASTM SI 10Standard for Use of the International
6.1 Atomic Absorption Spectrometer—Any dual-channel in-
System of Units (SI): The Modern Metric System
strument using a deuterium (D ) arc background corrector or
2
other comparable simultaneous background correction system.
NOTE 1—Practice D2013 specifies coal ground to pass through a
60-mesh(250-µm)screen.Forthetraceelementdeterminationsinthistest
6.2 Muffle Furnace, with temperature control.
6.3 Bottles, polyethylene or polytetrafluoroethylene,
1
125-mLcapacity, with screw-cap lids, capable of withstanding
This test method is under the jurisdiction of ASTM Committee D05 on Coal
and Coke and is the direct responsibility of Subcommittee D05.29 on Major
temperatures up to 130°C.
Elements in Ash and Trace Elements of Coal.
6.4 Volumetric Flasks, 100-mL capacity.
Current edition approved April 1, 2011. Published April 2011. Originally
approved in 1978. Last previous edition approved in 2004 as D3683–04. DOI:
6.5 Steam Bath.
10.1520/D3683-11.
2
For information concerning experimental work on which this test method is
6.6 Analytical Balance, capable of weighing to 0.1 mg.
based, see Bernas, B., A New Method for the Decomposition and Comprehensive
Analysis of Silicates by Atomic Absorption Spectrometry, Analytical Chemistry, 6.7 Crucibles, 50-mL quartz or high silica.
ANCHA, Vol 40, 1968, pp 1682–86.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or 7. Reagents
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.1 Purity of Reagents—Reagent grade chemicals shall be
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. used in all tests. Unless otherwise indicated, it is intended that
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D3683 − 11
TABLE 1 Instrument Parameters
all reagents shall conform to the specifications of the Commit-
tee onAnalytical Reagents of theAmerican Chemical Society, Element Wavelength, nm Oxidant-Fuel
4
where such specifications are available. Other grades may be Be 234.9 N O-C H
2 2 2
Cr 357.9 N O-C H
2 2 2
used, provided it is first asc
...
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