ASTM-B735 2000

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B735-95(2000) Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor

Published By	Publication Date	Number of Pages
ASTM	2000	4

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Categories: 25.220.40 - Metallic coatings, ASTM

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Description

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.

Additional information

Standard Title	B735-95(2000) Standard Test Method for Porosity in Gold Coatings on Metal Substrates by Nitric Acid Vapor
Published Code	ASTM
Publication Date	2000
Pages Count	4
ICS Codes	25.220.40 - Metallic coatings

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ASTM-B735 2000

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