Standard Methods for Chemical Analysis of Ferrocolumbium

SCOPE
1.1 These methods cover the chemical analysis of ferrocolumbium having chemical compositions within the following limits:ElementConcentration, %Aluminum2.00 maxCarbon0.30 maxChromium2.00 maxCobalt0.25 maxNiobium40.00 to 75.00Lead0.01 maxManganese3.00 maxPhosphorus0.05 maxSilicon4.00 maxSulfur0.03 maxTantalum7.00 maxTin0.15 maxTitanium5.00 maxTungsten0.50 max
1.2 The methods appear in the following order:SectionsNiobium, Tantalum, and Titanium by theIon-Exchange Method9-30
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 5.

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Publication Date
09-Oct-2002
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ASTM E367-02 - Standard Methods for Chemical Analysis of Ferrocolumbium
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 367 – 02
Standard Methods for
1
Chemical Analysis of Ferroniobium
This standard is issued under the fixed designation E 367; 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 Practices for Sampling Ferroalloys and Steel Additives
4
for Determination of Chemical Composition
1.1 These methods cover the chemical analysis of ferro-
E 50 Practices for Apparatus, Reagents, and Safety Precau-
columbium having chemical compositions within the follow-
4
tions for Chemical Analysis of Metals
ing limits:
E 60 Practice for Photometric and Spectrophotometric
Element Concentration, %
4
Methods for Chemical Analysis of Metals
Aluminum 2.00 max
E 173 Practice for Conducting Interlaboratory Studies
Carbon 0.30 max
5
ofMethods for Chemical Analysis of Metals
Chromium 2.00 max
Cobalt 0.25 max
3. Significance and Use
Niobium 40.00 to 75.00
Lead 0.01 max
3.1 These methods for the chemical analysis of metals and
Manganese 3.00 max
alloys are primarily intended to test such materials for com-
Phosphorus 0.05 max
Silicon 4.00 max
pliance with compositional specifications. It is assumed that all
Sulfur 0.03 max
who use these methods will be trained analysts capable of
Tantalum 7.00 max
performing common laboratory procedures skillfully and
Tin 0.15 max
Titanium 5.00 max
safely. It is expected that work will be performed in a properly
Tungsten 0.50 max
equipped laboratory.
1.2 The methods appear in the following order:
4. Apparatus, Reagents, and Photometric Practice
Sections
4.1 Apparatus and reagents required for each determination
Niobium, Tantalum, and Titanium by the
are listed in separate sections preceding the procedure. The
Ion-Exchange Method 9-30
apparatus, standard solutions, and other reagents used in more
1.3 This standard does not purport to address all of the
than one procedure are referred to by number and shall
safety concerns, if any, associated with its use. It is the
conform to the requirements prescribed in Practices E 50.
responsibility of whoever uses this standard to consult and
Photometers shall conform to the requirements prescribed in
establish appropriate safety and health practices and deter-
Practice E 60.
mine the applicability of regulatory limitations prior to use.
4.2 Photometric practice prescribed in these methods shall
Specific precautionary statements are given in Section 5.
conform to Practice E 60.
2. Referenced Documents
5. Safety Precautions
2.1 ASTM Standards:
5.1 For precautions to be observed in the use of certain
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A 550 Specification for Ferrocolumbium
reagents in these methods, refer to Practices E 50.
E 29 Practice for Using Significant Digits in Test Data to
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Determine Conformance with Specifications 6. Sampling
6.1 For procedures for sampling the material, and for
particle size of the sample for chemical analysis, refer to
1
These methods are under the jurisdiction of ASTM Committee E01 on
Practices E 32.
Analytical Chemistry for Metals, Ores, and Related Materials and are the direct
responsibility of Subcommittee E01.01 on Iron, Steel, and Ferroalloys.
Current edition approved October 10, 2002. Published December 2002. Origi-
nally approved in 1970. Last previous edition approved in 1983 as
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E 367 – 83 (1997). Annual Book of ASTM Standards, Vol 03.05.
2 5
Annual Book of ASTM Standards, Vol 01.02. Withdrawn from publication, see 1997 Annual Book of ASTM Standards,Vol
3
Annual Book of ASTM Standards, Vol 14.02. 03.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
E367–02
6
7. Rounding Off Calculated Values length of polyvinyl tubing, and control the flow rate by a
hosecock on the polyvinyl tubing.
7.1 Calculated values shall be rounded off to the desired
12.1.1 If a number of determinations are to be made, it is
number of places as directed in 3.4 to 3.6 of Practice E 29.
convenient to arrange the columns so that they can be operated
with a minimum of attention. Plastic columns equipped with
8. Interlaboratory Studies
fittings of polystyrene have been developed for such an
8.1 These methods have been evaluated in accordance with
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assembly. Inlet and outlet tubes are polyethylene; flexible
Practice E 173, unless otherwise noted in the precision and bias
connections, where necessary, are of polyvinyl tubing. The
section.
flow rate is controlled by hosecocks
...

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