ASTM International - ASTM D4940-98(2003)
Standard Test Method for Conductimetric Analysis of Water Soluble Ionic Contamination of Blasting Abrasives
| Organization: | ASTM International |
| Publication Date: | 10 January 2003 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Surface preparation): | 25.220.10 |
significance And Use:
By-product abrasives manufactured from slags that are air cooled or quenched with pure water, normally contain low concentrations of ionic materials, as do mined mineral abrasives. However, slags... View More
scope:
1.1 This test method describes a procedure for rapid evaluation of abrasives for the presence of ionic contamination by determining the total concentration of water soluble ionic contaminants by means of a conductivity test.
1.2 This test method does not identify the ionic species present nor provide quantitative results on each species.
1.3 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.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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