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ASTM-B1026:2024 Edition

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B1026-24 Standard Test Method for Measurement of Thickness of Chromium and Chromium Alloy Deposits by the Coulometric/White Light Interferometry

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ASTM 2024
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ASTM B1026-24

Active Standard: Standard Test Method for Measurement of Thickness of Chromium and Chromium Alloy Deposits by the Coulometric/White Light Interferometry

ASTM B1026

Scope

1.1 This test method covers the determination of the thickness of metallic coatings by the coulometric method, also known as the anodic solution or electrochemical stripping method, combined with a white light interferometry.

1.2 This test method is particularly applicable to decorative trivalent chromium deposits but can be used for other thin chromium deposits. The range of testing is typically 0.1 µm to 0.5 µm, but it can include thicker deposits.

1.3 Units—The values stated in SI units are to be regarded as the 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.

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.

Keywords

chromium; chromium alloy deposits; coulometric/white light interferometry; metallic coatings; thickness measurement;

ICS Code

ICS Number Code n/a

DOI: 10.1520/B1026-24

ASTM-B1026
$29.79