2504321

ASTM B735-16(2022)

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

standard by ASTM International , 10/01/2022

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Full Description

1.1 This test method covers equipment and procedures for using nitric acid vapor for determining porosity in gold coatings, greater than 0.6 μm (25 μin.) in thickness, 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.2,3 Other porosity test methods are Test Methods 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. Specific precautions are given in Section 8 and 9.4.
1.6 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.
 

Product Details

Published:
10/01/2022
Number of Pages:
4
File Size:
1 file , 290 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. ASTM B735-16(2022)

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

    • Most Recent

  2. ASTM B735-16


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

    • Historical Version

  3. ASTM B735-06(2011)


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

    • Historical Version

  4. ASTM B735-06


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

    • Historical Version

  5. ASTM B735-05


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

    • Historical Version

  6. ASTM B735-95(2000)


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

    • Historical Version