EN 14481:2003
Current
The latest, up-to-date edition.
Materials and articles in contact with foodstuffs - Plastics - Test methods for the determination of fatty contact
21-05-2003
Foreword
1 Scope
2 Principle
3 Reagents
4 Apparatus
5 Preparation of standards and samples
5.1 Preparation of standards
5.1.1 Stock solution of DPBD at 1 mg/ml
1.1.2 Working standard solution of DPBD in n-hexane
at 1 [mu]/ml
1.1.3 Stock solution of DPHT at 1 mg/ml
1.1.4 Calibration solution of DPHT in n-hexane at
100 [mu]/ml
5.1.2 Preparation of samples
6 HPLC analysis
6.1 Calibration standards
1.2 Analysis
1.3 Calibration graph
1.4 Check for analytical bias
7 Expression of results
7.1 Method of calculation
7.2 Interpretation
7.3 Performance of the method
8 Test report
Annex A (informative) Typical HPLC chromatogram for standard
1,4-diphenyl-1,3-butadiene and 1,6-diphenyl-1,3,5-
hexatriene
Annex ZA (informative) Relationship of this European standard
with Council Directive 85/572/EEC
Bibliography
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