Name Planned shipping method Start Date  
Drinking water (TON, TFN) (minimum number of participants: 3 assessors)
Parameters (quantitative): threshold odour number (TON), threshold flavour number (TFN)
Article Number: 3010008
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2026 Add to cart
Dry potato product
Parameters (quantitative): moisture content [g/100 g], total fat [g/100 g], saturated fatty acids [g/100 g], crude protein (N x 6,25) [g/100 g], ash [g/100 g], carbohydrates [g/100 g], starch [g/100 g], sucrose (anhydrous) [g/100 g], fibre [g/100 g], sodium (Na) [g/100 g]
Article Number: 2010388
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.
Shipping at room temperature December 2025 Add to cart
Dry potato product
Article Number: 2010388
December 2026 Add to cart
E.coli cheese
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010111
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG L00.00-89
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 July 2025 Add to cart
E.coli cheese
Article Number: 2010111
July 2026 Add to cart
E.coli egg products
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010532
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed egg products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping December 2025 Add to cart
E.coli egg products
Article Number: 2010532
December 2026 Add to cart
E.coli fruit juice
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010097
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
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
E.coli fruit juice
Article Number: 2010097
April 2026 Add to cart
E.coli ground meat 1
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010035
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping February 2025 Add to cart
E.coli ground meat 1
Article Number: 2010035
February 2026 Add to cart
E.coli ground meat 2
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010499
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping November 2025 Add to cart
E.coli ground meat 2
Article Number: 2010499
November 2026 Add to cart
E.coli ice-cream
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010552
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed ice-cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping July 2025 Add to cart
E.coli ice-cream
Article Number: 2010552
July 2026 Add to cart
E.coli milk 1
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010013
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
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 May 2025 Add to cart
E.coli milk 1
Article Number: 2010013
May 2026 Add to cart
E.coli milk 2
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010463
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
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 November 2025 Add to cart
E.coli milk 2
Article Number: 2010463
November 2026 Add to cart
E.coli milk powder
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010479
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
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
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.