I.S. EN 15979:2011
Current
The latest, up-to-date edition.
TESTING OF CERAMIC RAW AND BASIC MATERIALS - DIRECT DETERMINATION OF MASS FRACTIONS OF IMPURITIES IN POWDERS AND GRANULES OF SILICON CARBIDE BY OES BY DC ARC EXCITATION
Hardcopy , PDF
English
01-01-2011
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.
Foreword
1 Scope
2 Principle
3 Spectrometry
4 Apparatus
5 Reagents
6 Sampling and preparation of test samples
7 Calibration
8 Procedure
9 Calculation
10 Expression of results
11 Precision
12 Test report
Annex A (informative) - Results of inter-laboratory study
Annex B (informative) - Wavelength and working range
Annex C (informative) - Possible interferences and their
elimination
Annex D (informative) - Information regarding the evaluation of
the uncertainty of the mean value
Annex E (informative) - Commercial certified reference materials
Bibliography
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