Name Planned shipping method Start Date  
Orange juice - limonin
Parameters (quantitative): limonin (CAS 1180-71-8) [mg/kg]
Article Number: 2011019
Category: chemical-physical testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping August 2026 Add to cart
Organic acids
Parameters (quantitative): citric acid (anhydrous) [g/100 ml], formic acid [g/100 ml], sulfamic acid [g/100 ml]
Article Number: 2010914
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Organic acids
Article Number: 2010914
October 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 2025 Add to cart
Osmophilic moulds sugar solution
Article Number: 2010538
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 April 2025 Add to cart
Osmophilic yeasts sugar solution
Article Number: 2010536
April 2026 Add to cart
Oxidizing agent
Parameters (quantitative): sodium hypochlorite [g/100g], hydrogen peroxide [g/100g], sodium percarbonate [g/100g]
Article Number: 2010916
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Oxidizing agent
Article Number: 2010916
October 2026 Add to cart
Ozone Resistance and Permanent Deformation PV 3305
Parameters (quantitative): Crack pattern [evaluation class], Tension set [%]
Article Number: 2010671
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: physical mechanical testing material testing rubber & TPE
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Ozone Resistance and Permanent Deformation PV 3305
Article Number: 2010671
May 2026 Add to cart
PAHs in animal and vegetable fats and oils
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [µg/kg], benzo[a]anthracene (CAS 56-55-3) [µg/kg], chrysene (CAS 218-01-9) [µg/kg], benzo[b]fluoranthene (CAS 205-99-2) [µg/kg], sum of PAHs [µg/kg]
Article Number: 2010157
Description: A PAH concentration in the samples of approximately 0,1-5 µg/kg per PAH is to be expected.
Category: chemical-physical testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping October 2025 Add to cart
PAHs in animal and vegetable fats and oils
Article Number: 2010157
October 2026 Add to cart
PAHs in grain
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [µg/kg], benzo[a]anthracene (CAS 56-55-3) [µg/kg], chrysene (CAS 218-01-9) [µg/kg], benzo[b]fluoranthene (CAS 205-99-2) [µg/kg], sum of PAHs [µg/kg]
Article Number: 2011214
Description: A PAH concentration in the samples of approximately 0,2-35 µg/kg per PAH is to be expected.
Category: chemical-physical testing food and feed cereals, cereal products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping February 2025 Add to cart
PAHs in grain
Article Number: 2011214
September 2025 Add to cart
PAHs in grain
Article Number: 2011214
September 2026 Add to cart
PAHs in herbs and spices
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [µg/kg], benzo[a]anthracene (CAS 56-55-3) [µg/kg], benzo[b]fluoranthene (CAS 205-99-2) [µg/kg], chrysene (CAS 218-01-9) [µg/kg], sum PAK [µg/kg]
Article Number: 2011160
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping May 2025 Add to cart
PAHs in herbs and spices
Article Number: 2011160
May 2026 Add to cart
Paper - transition of antimicrobial components (EN 1104)
Parameters (qualitative): antibacterial effect Bacillus subtilis [mm], antimycotic effect Aspergillus niger [mm]
Article Number: 2010279
Category: immunological, molecular biological and microbiological testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Shipping at room temperature November 2025 Add to cart
Paper - transition of antimicrobial components (EN 1104)
Parameters (qualitative): antibacterial effect Bacillus subtilis [mm], antimycotic effect Aspergillus niger [mm]
Article Number: 2010279
November 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.