Name Planned shipping method Start Date  
O-Rings - Compression Set PV 3330
Parameters (quantitative): Compression set [%]
Article Number: 2010675
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 2026 Add to cart
O-Rings - Tensile test PV 3973
Parameters (quantitative): Tensile strength [MPa], Stress value at 100% [MPa], Elongation at tear [%]
Article Number: 2010697
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.
Is currently underway. Can still be booked.
Shipping at room temperature May 2025 Add to cart
O-Rings - Tensile test PV 3973
Article Number: 2010697
May 2026 Add to cart
Odour test (variant D4 and D5) VDA 270
Parameters (quantitative): Odour D4 [Grade], Odour D5 [Grade]
Article Number: 2010516
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Odour test (variant D4 and D5) VDA 270
Article Number: 2010516
April 2026 Add to cart
Odour test GMW 3205
Parameters (quantitative): Odor [rating]
Article Number: 2010555
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Odour test GMW 3205
Article Number: 2010555
March 2026 Add to cart
Odourtest VDA 270 - PV 3900
Parameters (quantitative): Odour B3 [grade]
Article Number: 2010851
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Odourtest VDA 270 - PV 3900
Article Number: 2010851
March 2026 Add to cart
Oil repellency ISO 14419
Parameters (quantitative): Oil repellency [grade]
Article Number: 2010092
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Unfortunately, no further booking is possible this year.
Shipping at room temperature May 2025
Oil repellency ISO 14419
Article Number: 2010092
May 2026 Add to cart
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 2025 Add to cart
Orange juice - limonin
Article Number: 2011019
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 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
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
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.