Name Planned shipping method Start Date  
Wobble mass, slime - boron (EN 71-3)
Parameters (quantitative): boron (B) [mg/kg]
Article Number: 2010299
Description: Boron is one of the relevant parameters for the safety of toys. The migration of boron is examined according to EN 71-3. This PT enables the participants to present the comparability of their test results for the parameter boron in the matrix slime / wobble mass.
Category: chemical-physical testing consumer goods and packaging toys
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature September 2025 Add to cart
Wobble mass, slime - boron (EN 71-3)
Article Number: 2010299
September 2026 Add to cart
Xenon Arc Light Aging PV 1303
Parameters (quantitative): Colour change ΔL*-value [-], Colour change Δa*-value [-], Colour change Δb*-value [-]
Article Number: 2010667
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2025 Add to cart
Xenon Arc Light Aging PV 1303
Article Number: 2010667
March 2026 Add to cart
Yeasts cheese
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010176
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
Category: immunological, molecular biological and microbiological testing food and feed cheese
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping May 2025 Add to cart
Yeasts cheese
Article Number: 2010176
May 2026 Add to cart
Yeasts dates
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010563
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
Yeasts dates
Article Number: 2010563
April 2026 Add to cart
Yeasts fruit juice concentrate
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010592
Description: Quantitative analyse of different germs like yeasts, e.g. with IFU-Method 2, IFU-Method 3
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
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
Yeasts fruit juice concentrate
Article Number: 2010592
April 2026 Add to cart
Yeasts fruit preparation
Parameters (qualitative): yeasts qualitative
Parameters (quantitative): yeasts [cfu/g]
Article Number: 2010043
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
Yeasts fruit preparation
Parameters (qualitative): yeasts qualitative
Article Number: 2010043
August 2026 Add to cart
Yeasts in milk
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010924
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
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
Yeasts in milk
Article Number: 2010924
August 2026 Add to cart
Yeasts milk powder 1
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010063
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
Category: immunological, molecular biological and microbiological testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping January 2025 Add to cart
Yeasts milk powder 1
Article Number: 2010063
January 2026 Add to cart
Yeasts milk powder 2
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010473
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
Category: immunological, molecular biological and microbiological testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Unfortunately, no further booking is possible this year.
Frozen shipping November 2024
Yeasts milk powder 2
Article Number: 2010473
September 2025 Add to cart
Yeasts milk powder 2
Article Number: 2010473
September 2026 Add to cart
Yersinia enterocolitica seafood
Parameters (qualitative): Yersinia enterocolitica
Article Number: 2010509
Description: Possible methods for participation, e.g.: ISO 10273, §35 LMBG L00.00-90
Category: immunological, molecular biological and microbiological testing food and feed fish & seafood
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping 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.