EN 725-1:2007
Current
The latest, up-to-date edition.
Advanced technical ceramics - Methods of test for ceramic powders - Part 1: Determination of impurities in alumina
12-09-2007
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1 General
4.2 Reagents for fusion
4.3 Sulphuric acid-phosphoric acid mixture for acid
dissolution
4.4 Reagents for calibration
5 Apparatus
6 Test sample
7 Decomposition of the test sample
7.1 General
7.2 Fusion
7.3 Acid dissolution
8 Calibration graph
8.1 General
8.2 Fusion
8.3 Acid dissolution
8.4 Drawing the calibration curve
9 Adjustment of the apparatus
9.1 Atomic absorption spectrometer
9.2 Inductively coupled plasma spectrometer
10 Measurements
11 Expression of the results
12 Test report
Annex A (informative) Repeatability and reproducibility
Bibliography
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