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ASTM E367-09

Historical Revision

Standard Test Methods for Chemical Analysis of Ferroniobium

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1.1 These test methods cover the chemical analysis of ferroniobium having chemical compositions within the following limits:

ElementConcentration, %
Aluminum2.00 max
Carbon0.30 max
Chromium2.00 max
Cobalt0.25 max
Lead0.01 max
Manganese3.00 max
Niobium40.00 to 75.00
Phosphorus0.05 max
Silicon4.00 max
Sulfur0.03 max
Tantalum7.00 max
Tin0.15 max
Titanium5.00 max
Tungsten0.50 max

1.2 The test methods appear in the following order:

Sections
Separation of Niobium, Tantalum, and Titanium
by the Ion-Exchange Test Method
10-16
Titanium by the Photometric Test Method [0.05 % to 5.0 %]17-21
Niobium by the Gravimetric Test Method [40 % to 75 %]22-23
Tantalum by the Gravimetric Test Method [1 % to 7 %]24-25
Tantalum by the Photometric Test Method [0.25 % to 1 %]26-30

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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 6, and specific warning statements in 11.1.

10.1 These test methods cover the determination of niobium, tantalum, and titanium in ferroniobium from 40 % to 75 %, 0.25 % to 7 %, and 0.05 % to 5.0 %, respectively.


These test methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications such as Specification A550. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.

SDO ASTM: ASTM International
Document Number E367
Publication Date Oct. 1, 2009
Language en - English
Page Count 6
Revision Level 09
Supercedes
Committee E01.01
Publish Date Document Id Type View
June 15, 2022 E0367-22 Revision
May 1, 2016 E0367-16 Revision
Oct. 1, 2009 E0367-09 Revision
June 10, 2003 E0367-03 Revision
Oct. 10, 2002 E0367-02 Revision
Jan. 1, 1983 E0367-83R97E01 Reaffirmation