NEN EN ISO 9936 : 2016
Current
The latest, up-to-date edition.
ANIMAL AND VEGETABLE FATS AND OILS - DETERMINATION OF TOCOPHEROL AND TOCOTRIENOL CONTENTS BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Preparation of calibration solutions
9.2 Optimization of working parameters
9.3 Preparation of test solution
9.4 Determination
10 Expression of results
11 Precision
11.1 Interlaboratory test
11.2 Repeatability
11.3 Reproducibility
12 Test report
Annex A (informative) Examples of chromatograms
Annex B (informative) Saponification
Annex C (informative) Results of interlaboratory tests
Bibliography
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