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ASTM E129-74(1993)E01

Current Revision

Test Method for Spectrographic Analysis of Thermionic Nickel Alloys by the Powder Techniques (Withdrawn 1999)

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1.1 This test method covers the determination of the following elements in thermionic nickel alloys in the concentration ranges shown:

1.2 The test method has been designed for inspection testing of nickel alloy thermionic cathodes. It is equally applicable to the determination of the elements listed in 1.1 in any nickel alloy where the nickel content is greater than 98.0%, provided the total sample available exceeds 50 mg.

Note 1-The concentration ranges of the elements listed in 1.1 have been established through cooperative testing of secondary standards and by preparation of synthetic standards provided in the method. The scope is underwritten by three primary spectrochemical standards. Cooperative testing of the first two of these standards has provided supporting data for this method.

1.3 The values stated in inch-pound units are to be regarded as the standard.

1.4 This standard does not purport to address all of the safety problems, 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.


SDO ASTM: ASTM International
Document Number E129
Publication Date Jan. 1, 1993
Language en - English
Page Count 4
Revision Level 74(1993)E01
Supercedes
Committee E01.08
Publish Date Document Id Type View
Jan. 1, 1993 E0129-74R93E01 Revision