ASTM E371-00
(Test Method)Standard Test Method for the Determination of Boron in Ferroboron (Withdrawn 2006)
Standard Test Method for the Determination of Boron in Ferroboron (Withdrawn 2006)
SCOPE
1.1 These test methods cover the chemical analysis of ferroboron having chemical compositions within the following limits:ElementConcentration, %Aluminum2.00 maxBoron12.0-24.0Carbon1.50 maxChromium0.75 maxCopper0.15 maxLead0.01 maxManganese1.00 maxMolybdenum1.50 maxNickel0.10 maxPhosphorus0.06 maxSilicon4.00 maxSulfur0.02 max
1.2 The test methods in this standard are contained in the sections indicated below: SectionBoron by the Ion-exchange Titrimetric Method (12 to 24 %)9
1.3This 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 precautionary statements are given in Section 5 and in special "Warning" paragraphs throughout these test methods.
WITHDRAWN RATIONALE
These test methods cover the chemical analysis of ferroboron having chemical compositions within specified limits.
Formerly under the jurisdiction of Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials, this test method was discontinued in September 2006.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:E371–00
Standard Test Method for
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the Determination of Boron in Ferroboron
This standard is issued under the fixed designation E 371; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 32 PracticesforSamplingFerroalloysandSteelAdditives
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for Determination of Chemical Composition
1.1 These test methods cover the chemical analysis of
E 50 Practices for Apparatus, Reagents, and Safety Precau-
ferroboron having chemical compositions within the following
5
tions for Chemical Analysis of Metals
limits:
E 173 Practice for Conducting Interlaboratory Studies of
Element Concentration, %
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Methods for Chemical Analysis of Metals
Aluminum 2.00 max
E 882 Guide for Accountability and Quality Control in the
Boron 12.0–24.0
5
Chemical Analysis Laboratory
Carbon 1.50 max
Chromium 0.75 max
3. Significance and Use
Copper 0.15 max
Lead 0.01 max
3.1 These test methods for the chemical analysis of metals
Manganese 1.00 max
and alloys are primarily intended as referee methods to test
Molybdenum 1.50 max
Nickel 0.10 max
such materials for compliance with compositional specifica-
Phosphorus 0.06 max
tions, particularly those under the jurisdiction of ASTM Com-
Silicon 4.00 max
mittees A1 on Stainless Steel and Related Alloys, and specifi-
Sulfur 0.02 max
cally Specification A 323. It is assumed that all who use these
1.2 The test methods in this standard are contained in the
test methods will be trained analysts capable of performing
sections indicated below:
common laboratory procedures skillfully and safely. It is
Section
expected that work will be performed in a properly equipped
Boron by the Ion-exchange Titrimetric Method (12 to 24 %) 9 laboratory under appropriate quality control practices such as
those described in Guide E 882.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Reagents
responsibility of the user of this standard to establish appro-
4.1 Reagents:
priate safety and health practices and determine the applica-
4.1.1 Purity of Reagents—Unless otherwise indicated, all
bility of regulatory limitations prior to use. Specific precau-
reagents used in these test methods shall conform to the
tionary statements are given in Section 5 and in special
“Reagent Grade” Specifications of the American Chemical
“Warning” paragraphs throughout these test methods.
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Society. Other chemicals may be used, provided it is first
ascertained that they are of sufficiently high purity to permit
2. Referenced Documents
their use without adversely affecting the expected performance
2.1 ASTM Standards:
of the determination, as indicated in the section on Precision
2
A 323 Specification for Ferroboron
and Bias.
3
D 1193 Specification for Reagent Water
4.1.2 Purity of Water—Unless otherwise indicated, refer-
E 29 Practice for Using Significant Digits in Test Data to
ences to water shall be understood to mean reagent water as
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Determine Conformance with Specifications
defined by Type II of Specifications D 1193.
1 5
These test methods are under the jurisdiction of ASTM Committee E01 on Annual Book of ASTM Standards, Vol 03.05.
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Analytical Chemistry for Metals, Ores, and Related Materials and are the direct Discontinued 1998; see 1997 Annual Book of ASTM Standards, Vol 03.05.
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responsibility of Subcommittee E01.01 on Iron, Steel, and Ferroalloys. Reagent Chemicals, American Chemical Society Specifications, American
Current edition approved Nov. 10, 2000. Published January 2001. Originally Chemical Society, Washington, DC. For suggestions on the testing of reagents not
published as E371 – 71 T. Last previous edition E 371–99. listed by the American Chemical Society, see Analar Standards for Laboratory
2
Annual Book of ASTM Standards, Vol 01.02. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
3
Annual Book of ASTM Standards, Vol 11.01. and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
4
Annual Book of ASTM Standards, Vol 14.02. MD.
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E371–00
5. Hazards of 1 N HCl. Heat at 80 to 90° C for 2 h. Using a pH meter,
adjust the pH to 6.9 with NaOH solution just before use.
5.1 For hazards to be observed in the use of certain reagents
12.4 Ion-Exchange Resin—Use a cation exchange resin of
and equipment in these test methods, refer to Practices E 50.
the 8 % cross linkage type, passing a No. 50 (300-µm) sieve,
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but retained on a No. 100
...
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