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ASTM B735-95(2000)

Historical Reaffirmation

Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor

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1.1 This test method covers equipment and procedures for using nitric acid vapor for determining porosity in gold coatings, particularly electrodeposits and clad metals used on electrical contacts.

1.2 This test method is designed to show whether the porosity level is less or greater than some value that, by experience, is considered by the user to be acceptable for the intended application.

1.3 A variety of other porosity testing methods are described in Guide B765 and in the literature. Other porosity test methods are B741, B798, B799, and B809.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.5 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautions are given in Section 8 and Note 2.


SDO ASTM: ASTM International
Document Number B735
Publication Date May 10, 2000
Language en - English
Page Count 4
Revision Level 95(2000)
Supercedes
Committee B02.11
Publish Date Document Id Type View
Oct. 1, 2016 B0735-16 Revision
Dec. 1, 2006 B0735-06 Revision
Nov. 1, 2005 B0735-05 Revision
Oct. 1, 2022 B0735-16R22 Reaffirmation
Oct. 1, 2011 B0735-06R11 Reaffirmation
May 10, 2000 B0735-95R00 Reaffirmation