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Examinationmethods



Conformity Status
The conformity status is a summing up and evaluation of the available information concerning food regulatory assessment of the specified article. It identifies, where required, open issues of compliance work.





SML (specific migration limit) analysis of individual substances for compliance evaluation
Quantitative analysis of substances with limits (SML, SML(T), QM, QMA etc.) or non-evaluated substances by gas chromatography (e.g. HS-GC, GC/MS), liquid chromatography (e.g. HPLC/MS), mass spectrometry with inductively coupled plasma (ICP-MS) in food simulants or foodstuffs after migration or (residual) content determination in the material or article





overall migration acc. Reg. (EU) No 10/2011 standardized testing conditions (OM1- OM7)
Regulation (EU) No. 10/ 2011 (PIM)/ DIN EN 1186 classical food simulants (not alternative tests like Isooctane testing): A= Ethanol 10 % (v/v), B= Acetic acid 3 % (w/v), C= Ethanol 20 % (v/v), D1= Ethanol 50 % (v/v), D 2= Vegetable oil, E= poly(2,6-diphenyl-p-phenylene oxide) (Tenax ®)





Damage analysis/ analysis of complaints
In many cases, it is not immediately obvious which kind of tests are necessary and reasonable for the clarification. Furthermore, test results which are available in short time are often helpful for further decisions. Our “diagnostic concept” provides the agreement of a limited budget (normally 700,- up to 1.000,- Euro) for the screening and evaluation of information already available as well as the realization and assessment of first tests according to an agreed schedule. The result is a more detailed view of the damage, possible solutions and indications for additional and reasonable investigations and researches are given. You will receive first reliable test results and an appropriate documentation of the current situation at short notice and at a fixed price. Information on the frequency of the anomalies ,point in time of recognition, technical information such as material structure, yet present test results are known to be helpful for successfully examination. If available, please send us reference samples, data sheets, specifications.





Dimensions and repeating patterns of pouches, sacks etc.
Dimensions like width, length, side gusset depth, bags, reels, packages with calibrated metal measuring stick, n=5





moisture content/ water content (residual moisture)
The choice of the appropriate method depends essentially on the expected moisture content. Higher water contents can be determined gravimetrically well with the drying oven technique. When lower water contents are expected, the water selective Karl Fischer titration should be chosen, as incorrect measurements, for example by other volatile matters can be excluded. The Karl Fischer method is, however, not intended for determination of higher water contents.





haze/ transparency
Method for quantification of the optical properties of transparent or translucent materials (not coulored or metallized). The test method describes the scattering of light caused by deterioration of a film. A low haze value characterizes a low turbidity equivalent to a good visibility of details behind or under the film lying fillings or labels. With increasing haze value the "frosted - glass- effect" increases, ie, details, eg Labels are ultimately recognizable only by direct contact with the surface. ASTM D 1003 = calibration without compensation port vs. DIN ISO 13468 = calibration with compensation port. The measured values differ slightly, but the measurements are carried out in principle on the same principle.



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