Name Planned shipping method Start Date  
Sterility testing medical devices (Ph. Eur. 2.6.1)
Parameters (qualitative): aerobic microbial load
Article Number: 2011292
Description: Proficiency testing for the detection of microbial contamination of sterile medical devices according to Ph. Eur. 2.6.1. or the harmonized pharmacopoeia methods such as USP <71> and JP 4.06.
Category: immunological, molecular biological and microbiological testing medical devices medical devices
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 1
New proficiency testing
Frozen shipping October 2026 Add to cart
Strain Hardening Modulus ISO 18488
Parameters (quantitative): Strain hardening modulus [MPa]
Article Number: 2010118
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Strain Hardening Modulus ISO 18488
Article Number: 2010118
April 2026 Add to cart
Streptococci (faecal) mineral water and table water
Parameters (qualitative): streptococci (faecal) qualitative
Article Number: 2010676
Description: Possible methods for participation, e.g.: mineral- and table water regulation
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping October 2025 Add to cart
Streptococci (faecal) mineral water and table water
Parameters (qualitative): streptococci (faecal) qualitative
Article Number: 2010676
October 2026 Add to cart
Stress Whitening Properties (Ball Drop Test) PV 3966
Parameters (qualitative): Stress Whitening Properties [-]
Article Number: 2010693
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 plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Stress Whitening Properties (Ball Drop Test) PV 3966
Parameters (qualitative): Stress Whitening Properties [-]
Article Number: 2010693
April 2026 Add to cart
Sugar free candies
Parameters (quantitative): glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], sucrose (anhydrous) [g/100 g], water content [g/100 g]
Article Number: 2010327
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature December 2025 Add to cart
Sugar free candies
Article Number: 2010327
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
Sugar substitutes in food
Parameters (quantitative): Isomalt (sum of GPS and GPM) (anhydrous) [g/100 ml], Lactitol (anhydrous) [g/100 ml], Maltitol (anhydrous) [g/100 ml], Mannitol (anhydrous) [g/100 ml], Sorbitol (anhydrous) [g/100 ml], Xylitol (anhydrous) [g/100 ml]
Article Number: 2010359
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.
Frozen shipping August 2025 Add to cart
Sugar substitutes in food
Article Number: 2010359
August 2026 Add to cart
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2025 Add to cart
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
August 2026 Add to cart
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Parameters (quantitative): Evaluation by participant: Change in colour with greyscale and colour measurement ΔE*-value, Evaluation by DRRR: Change in colour ΔE*-value
Article Number: 2010846
Description: For this Proficiency test a return of the tested samples is required!
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 April 2025 Add to cart
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Article Number: 2010846
April 2026 Add to cart
Surface coating thickness ISO 17186
Parameters (quantitative): thickness of the surface coating [µm]
Article Number: 2010709
Category: physical mechanical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Surface coating thickness ISO 17186
Article Number: 2010709
April 2026 Add to cart
Surface resistance IEC 62631-3-2, VDE 0307-3-2
Parameters (quantitative): Surface resistance RSC [E+05 Ω], Spezific Surface resistance σC [E+05 Ω]
Article Number: 2010547
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 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.