UNI EN 13130-7 : 2005
Current
The latest, up-to-date edition.
MATERIALS AND ARTICLES IN CONTACT WITH FOODSTUFFS - PLASTICS SUBSTANCES SUBJECT TO LIMITATION - PART 7: DETERMINATION OF MONOETHYLENE GLYCOL AND DIETHYLENE GLYCOL IN FOOD SIMULANTS
31-12-2004
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Samples
7 Procedure
7.1 Preparation of standards
7.1.1 Intermediate standards
7.1.2 Internal standard, 800 mg/l butan-1,4-diol
7.1.3 Working standards for aqueous simulants
7.1.4 Working standards for olive oil
7.2 Preparation of calibration graphs
7.2.1 Injection of standards
7.2.2 Validation of stock monoethylene glycol/diethylene
glycol solution
7.3 Extraction of olive oil simulant migration test samples
7.4 Preparation of aqueous simulant migration test samples
7.5 Injection of samples
8 Expression of results
8.1 Method of calculation
8.1.1 As milligrams of monoethylene glycol and diethylene
glycol per kilogram of food simulant
8.1.2 As milligrams of monoethylene glycol and diethylene
glycol per square decimetre of surface area of plastic
material or article
8.1.3 Calculation of the specific migration
8.2 Precision
8.2.1 Validation
8.2.2 Repeatability and reproducibility
8.2.3 Detection limit
9 Confirmation of monoethylene glycol and diethylene glycol
9.1 Requirement for confirmation
9.2 Confirmation by re-analysis using confirmed by gas
chromatography - mass spectrometry
10 Test report
Annex A (informative)
Annex B (informative)
Bibliography
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