Name Planned shipping method Start Date  
Moulds fruit preparation
Parameters (qualitative): moulds qualitative
Parameters (quantitative): moulds [cfu/g]
Article Number: 2010101
Description: Possible methods for participation, e.g.: ISO 21527-2
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping August 2025 Add to cart
Moulds fruit preparation
Parameters (qualitative): moulds qualitative
Article Number: 2010101
August 2026 Add to cart
Osmophilic moulds sugar solution
Parameters (quantitative): osmophilic moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010538
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
Osmophilic yeasts sugar solution
Parameters (quantitative): osmophilic yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010536
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping October 2025 Add to cart
Osmophilic yeasts sugar solution
Article Number: 2010536
April 2026 Add to cart
Pesticides in citrus fruit
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011111
Description: This is a multi-residue proficiency test. For the PT on pesticides, a pre-selection of pesticides was made according to relevance: listed in the list of analytes published by the DRRR. This is available via the DRRR homepage: https://drrr.de/en/proficiency-testing/food-and-feed/ From this list, a selection of pesticides will be available for identification and quantification in the PT round.
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2025 Add to cart
Pesticides in citrus fruit
Parameters (qualitative): identification of various pesticides
Article Number: 2011111
September 2026 Add to cart
Pesticides in fruiting vegetables
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011088
Description: This is a multi-residue proficiency test. For the PT on pesticides, a pre-selection of pesticides was made according to relevance: listed in the list of analytes published by the DRRR. This is available via the DRRR homepage: https://drrr.de/en/proficiency-testing/food-and-feed/ From this list, a selection of pesticides will be available for identification and quantification in the PT round.
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2025 Add to cart
Pesticides in fruiting vegetables
Parameters (qualitative): identification of various pesticides
Article Number: 2011088
September 2026 Add to cart
Pesticides in pome fruit
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011089
Description: This is a multi-residue proficiency test. For the PT on pesticides, a pre-selection of pesticides was made according to relevance: listed in the list of analytes published by the DRRR. This is available via the DRRR homepage: https://drrr.de/en/proficiency-testing/food-and-feed/ From this list, a selection of pesticides will be available for identification and quantification in the PT round.
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2025 Add to cart
Pesticides in pome fruit
Parameters (qualitative): identification of various pesticides
Article Number: 2011089
September 2026 Add to cart
PFAS in vegetables
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg], total perfluorononanoic acid (CAS 375-95-1) [µg/kg], total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg], total perfluorohexanoic acid (CAS 307-24-4) [µg/kg], total perfluorodecanoic acid (CAS 335-76-2) [µg/kg], total perfluorundecanoic acid (CAS 2058-94-8) [µg/kg], total perfluorododecanoic acid (CAS 307-55-1) [µg/kg], total perfluorotridecanoic acid (CAS 72629-94-8) [µg/kg], total perfluorotetradecanoic acid (CAS 376-06-7) [µg/kg], total perfluorobutane sulfonic acid (CAS 375-73-5) [µg/kg], total perfluorodecane sulfonic acid (CAS 335-77-3) [µg/kg], total perfluorooctanesulfonamide (CAS 754-91-6) [µg/kg]
Article Number: 2011285
Description: Many per- and polyfluorinated substances (PFAS) are subject to various restrictions in the European Union. For example, PFOS, PFOA, PFNA and PFHxS are subject to the maximum levels in selected foods introduced in the Contaminants Regulation (EU) 2023/915. Commission Recommendation (EU) 2022/1431 also recommends monitoring the presence of other PFAS in food, including PFDA, PFBS and PFOSA. This proficiency testing offers you the opportunity to check your analyses of a large number of PFAS.
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Frozen shipping June 2025 Add to cart
PFAS in vegetables
Article Number: 2011285
June 2026 Add to cart
Sauerkraut
Parameters (quantitative): total ascorbic acid (vitamin C) [mg/100 mL], total acid (pH 8.2) calculated as acetic acid [g/100 mL], non volatile acid (pH 8.2) calculated as acetic acid [g/100 mL], total lactic acid [mg/100 mL], pH value [-], sodium chloride [g/100 mL]
Article Number: 2010384
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping December 2025 Add to cart
Sauerkraut
Article Number: 2010384
December 2026 Add to cart
Sugar mix (fruit preparation)
Parameters (quantitative): sucrose (anhydrous) [g/100 g], glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], maltose (anhydrous) [g/100 g], starch [g/100 g], aspartame [ppm], acesulfam K [ppm], sorbate (as anion) [ppm], saccharin as free imide [ppm], total sugar (anhydrous) 1 [g/100 g]
Article Number: 2010051
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Sugar mix (fruit preparation)
Article Number: 2010051
July 2026 Add to cart
Tomato ketchup
Parameters (quantitative): pH value [-], total acid (pH 8.1) calculated as acetic acid [g/100 g], citric acid (anhydrous) [g/100 g], sodium chloride [g/100 g], glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], soluble solids [g/100 g], dry matter [g/100 g], sorbic acid [g/kg], benzoic acid [g/kg], sucrose (anhydrous) [g/100 g], total sugar (anhydrous) 1 [g/100 g]
Article Number: 2010390
Description: With the three PT-schemes mayonnaise, tomato ketchup and mustard we offer a high quality assurance program for the most popular sauces and basic ingredients for many further foodstuff throughout the world. The requested parameters are the most important value-determining attributes like the egg content in mayonnaise as well as technologically relevant parameters like preservatives.
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping June 2025 Add to cart
Tomato ketchup
Article Number: 2010390
July 2026 Add to cart
Vegetable chips
Parameters (quantitative): total fat [g/100 g], crude protein (N x 6,25) [g/100 g], dry matter [g/100 g], ash [g/100 g], sodium chloride [g/100 g], acrylamide (CAS 79-06-1) [µg/kg]
Article Number: 2011086
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping May 2026 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.