Name: UNI EN 15979 : 2011
Brand: UNI

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

Published date

04-07-2011

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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

Explains the method for the analysis of mass fractions of the impurities Al, B, Ca, Cr, Cu, Fe, Mg, Ni, Ti, V and Zr in powder- and grain-shaped silicon carbide of ceramic raw and basic materials.

Committee	CT 700
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
EN 15979:2011	Identical

ISO 5022:1979	Shaped refractory products Sampling and acceptance testing
EN ISO 21068-1:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products - Part 1: General information and sample preparation (ISO 21068-1:2008)
ISO 5725-4:1994	Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
ISO 21068-1:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products Part 1: General information and sample preparation
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 8656-1:1988	Refractory products Sampling of raw materials and unshaped products Part 1: Sampling scheme
ISO/IEC Guide 98-3:2008	Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)