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Standard [CURRENT]

ASTM D 4940:2015

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

Publication date
2015 reapproved: 2020
Original language
English
Pages
3

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Publication date
2015 reapproved: 2020
Original language
English
Pages
3
DOI
https://dx.doi.org/10.1520/D4940-15R20

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Short description
1.1 This test method describes a procedure for assessing blast cleaning abrasives for the presence of conductive-potential, ionic contaminants by determining the total concentration of water soluble conductive species using 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 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.
ICS
25.220.10
DOI
https://dx.doi.org/10.1520/D4940-15R20
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