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Standard Guide for Measurement of Thin Chromium Coatings by Spot Test
STANDARD published on 1.12.2013
Designation standards: ASTM B556-90(2013)
Note: WITHDRAWN
Publication date standards: 1.12.2013
SKU: NS-7152
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
ICS Number Code 25.220.40 (Metallic coatings)
Significance and Use | ||||||
4.1 The thickness of a decorative chromium coating is often critical to its performance. 4.2 This procedure is useful for an approximate determination when the best possible accuracy is not required. For more reliable determinations, the following methods are available: Methods B504, B568, and B588. 4.3 This test assumes that the rate of dissolution of the chromium by the hydrochloric acid under the specified conditions is always the same. |
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1. Scope | ||||||
1.1 This guide covers the use of the spot test for the measurement of thicknesses of electrodeposited chromium coatings over nickel and stainless steel with an accuracy of about ±20 % (Section 1.2 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. |
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2. Referenced Documents | ||||||
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1.9.2009
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1.4.2010
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1.8.2008
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1.5.2014
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1.9.2009
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1.12.2013
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