UNI EN ISO 6869 : 2001
Current
The latest, up-to-date edition.
ANIMAL FEEDING STUFFS - DETERMINATION OF THE CONTENTS OF CALCIUM, COPPER, IRON, MAGNESIUM, MANGANESE, POTASSIUM, SODIUM AND ZINC - METHOD USING ATOMIC ABSORPTION SPECTROMETRY
31-05-2001
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling
7 Preparation of test sample
8 Procedure
8.1 Detection of presence of
organic matter
8.2 Test portion
8.3 Dry ashing
8.4 Decomposition
8.5 Blank solution
8.6 Determination of copper,
iron, manganese and zinc
8.7 Determination of calcium, magnesium,
potassium and sodium
9 Expression of results
10 Precision
10.1 Interlaboratory tests
10.2 Repeatability
10.3 Reproducibility
11 Test report
Annex A (informative) Results of interlaboratory tests
Bibliography
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