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ASTM E1938-24

Current Revision

Standard Test Method for Determination of Titanium in Nickel Alloys by Diantipyrylmethane Spectrophotometry

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1.1 This test method covers the determination of titanium in nickel alloys in the range 0.3 % to 5.0 %. With appropriate reference materials, the test method may be extended down to 0.05 %.

1.2 Molybdenum, if present, may cause a high bias to the extent of 0.001 % titanium for every 1 % molybdenum.

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 the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards associated with the use of this test method, see Practices E50.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


5.1 This test method is used for the determination of titanium in nickel alloy samples to check for compliance with compositional specifications. It is assumed that all who use the procedure will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that the work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E882.

SDO ASTM: ASTM International
Document Number E1938
Publication Date Nov. 15, 2024
Language en - English
Page Count 4
Revision Level 24
Supercedes
Committee E01.08
Publish Date Document Id Type View
Nov. 15, 2024 E1938-24 Revision
Oct. 1, 2013 E1938-13 Revision
Dec. 15, 2008 E1938-08 Revision
Oct. 10, 2002 E1938-02 Revision
Dec. 10, 1997 E1938-97 Revision
Oct. 1, 2018 E1938-13R18 Reaffirmation