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ptAI01 (2023) Lactose + Fructose in "lactose-free" Food (Baking Mix for Chocolate Cake) (2 different food matrix samples of 25g each, as well as a Spiking Level Sample (25g) with similar levels in simple matrix).

EPTIS factsheet 964747 | Last revision 2022-10-27 | URL: https://www.eptis.bam.de/pts964747 https://www.eptis.bam.de/pts964747

PT provider
PT provider DLA - Proficiency Tests GmbH DLA - Proficiency Tests GmbH
Based in Germany
Language(s) English
Remarks Two Samples with parameters in a Food Matrix are provided for qualitative (Lactose) and quantitative (Lactose + Fructose) determination. One of these samples and the "Spiking Level Sample" were prepared adding the Lactose and Fructose. The "Spiking Level Sample" contains the parameters in a simple matrix in similar amounts. The Lactose amounts are approx. 70 - 250 mg/100g. The evaluation of results will be qualitative (Lactose) and quantitative. For information DLA calculates a recovery rate of Lactose for the "positive"-sample and the "Spiking Level Sample". Any suitable method can be applied for analysis.
Product groups Food and drink
Testing fields Analytical chemistry
Technical details
Test item Tested property Testing method
"lactose-free" Food (Baking Mix for Chocolate Cake) (2 items) + Potato Powder (1 item) Lactose optional
Fructose optional
Aims of the PT scheme
Target group of participants
Linked to specific legislation / standards
Additional, subsidiary aims
Number of participants 10-20
Accredited or otherwise reviewed by a 3rd party
Operation is commissioned / requested by
Fees and frequency
Participation fee
Regularly operated Yes (yearly)
Year of first operation before 2015
Contact details of the PT provider
Provider Contact person
DLA - Proficiency Tests GmbH
Hauptstr. 80
23845 Oering

Phone: +49-171-1954375
Fax: +49-4102-9944976
Web: http://www.dla-lvu.de http://www.dla-lvu.de
MSc. Alexandra Scharf
Phone: +49-171-1954375
Fax: +49-4102-9944976
Email: proficiency-testing@dla-lvu.de proficiency-testing@dla-lvu.de
If you find any mistakes please contact the responsible EPTIS coordinator in Germany, Mr Johannes van de Kreeke. Mr Johannes van de Kreeke.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5