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ASTM D4940-98

Historical Revision

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

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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 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 D4940
Publication Date May 10, 1998
Language en - English
Page Count 3
Revision Level 98
Supercedes
Committee D01.46
Publish Date Document Id Type View
Dec. 1, 2015 D4940-15E01 Revision
Dec. 1, 2015 D4940-15 Revision
June 1, 2010 D4940-10 Revision
May 10, 1998 D4940-98 Revision
Feb. 1, 2020 D4940-15R20 Reaffirmation
Jan. 10, 2003 D4940-98R03 Reaffirmation