ASTM D4940 Standard Test Method for Conductimetric Analysis of Water Soluble Ionic Contamination of Blast Cleaning Abrasives
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ASTM International
Standard Test Method for Conductimetric Analysis of Water Soluble Ionic Contamination of Blast Cleaning Abrasives
N D4940
Annotation
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.
Автоматический перевод:
Метод стандартной пробы для анализа Conductimetric водорастворимого ионического загрязнения абразивов пескоструйной очистки
Этот метод тестирования описывает процедуру для оценки абразивов пескоструйной очистки для присутствия conductivepotential, ионных загрязнителей путем определения общей концентрации водорастворимых проводящих разновидностей с помощью теста проводимости.
