UNI 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
01-12-2003
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
5.1.2 Working standard solution of DPBD in n-hexane
at 1 [mu]/ml
5.1.3 Stock solution of DPHT at 1 mg/ml
5.1.4 Calibration solution of DPHT in n-hexane at
100 [mu]/ml
5.2 Preparation of samples
6 HPLC analysis
6.1 Calibration standards
6.2 Analysis
6.3 Calibration graph
6.4 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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