I.S. EN 4426:2020
Current
The latest, up-to-date edition.
Aerospace series - Non-metallic materials - Textiles - Test method - Determination of conductivity and pH of aqueous extracts
Hardcopy , PDF
English
15-03-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Health, safety and environment
5 Principle/technique
6 Resources
7 Test samples/test pieces
8 Test procedure
9 Expression of results
10 Calculation of pH
11 Measurement uncertainties
12 Designation
13 Test report
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