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ASTM D4940

2015 Edition, December 1, 2015

Complete Document

Standard Test Method for Conductimetric Analysis of Water Soluble Ionic Contamination of Blast Cleaning Abrasives

Includes all amendments and changes through Editorial Change 1, July 2016


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Product Details:

  • Revision: 2015 Edition, December 1, 2015
  • Published Date: July 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 3
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method describes a procedure for assessing blast cleaning abrasives for the presence of conductivepotential, ionic contaminants by determining the total concentration of water soluble conductive species using a conductivity test.

This test method does not identify the ionic species present nor provide quantitative results on each species.

This test method is based on a volume comparison among abrasives of similar sizes. A volume comparison is more closely related to surface area of the abrasives than is a weight comparison.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.