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ASTM B767-88(1994)

Historical Reaffirmation

Standard Guide for Determining Mass Per Unit Area of Electrodeposited and Related Coatings by Gravimetric and Other Chemical Analysis Procedures

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1.1 This guide outlines a general method for determining the mass per unit area of electrodeposited, electroless, mechanically-deposited, vacuum-deposited, anodicoxide, and chemical conversion coatings by gravimetric and other chemical analysis procedures.

1.2 This guide determines the average mass per unit area over a measured area.

1.3 The stripping methods cited are described in specifications or in the open literature or have been used routinely by at least one laboratory.

1.4 The procedures outlined can be used for many coating-substrate combinations. They cannot be used where the coating cannot be separated from the substrate by chemical or physical means as would be the case if white brass were plated with yellow brass.

1.5 In principle, these procedures can be used to measure very thin coatings or to measure coatings over small areas, but not thin coatings over small areas. The limits depend on the required accuracy. For example, 2.5 mg/cm of coating might require 2.5 mg of coating covering 1 cm , but 0.1 mg/cm of coating would require 25 cm to obtain 2.5 mg of coating.

1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.


SDO ASTM: ASTM International
Document Number B767
Publication Date Aug. 26, 1988
Language en - English
Page Count 6
Revision Level 88(1994)
Supercedes
Committee B08.10
Publish Date Document Id Type View
Oct. 1, 2021 B0767-88R21 Reaffirmation
Nov. 1, 2016 B0767-88R16 Reaffirmation
Nov. 1, 2010 B0767-88R10 Reaffirmation
April 1, 2006 B0767-88R06 Reaffirmation
Aug. 26, 1988 B0767-88R01 Reaffirmation
Aug. 26, 1988 B0767-88R94 Reaffirmation