Name Planned shipping method Start Date  
Clostridia animal feed
Parameters (quantitative): sulfite-reducing Clostridia (vegetative) [cfu/g], lactobacilli (anaerobic) [cfu/g], anaerobic mesophilic sulfite-reducing spores [cfu/g], anaerobic mesophilic total spores (nonselective) [cfu/g]
Article Number: 2010188
Description: Possible methods for participation, e.g.: Baumgart et al. KapI.3, VDLUFA 28.3.2
Category: immunological, molecular biological and microbiological testing food and feed animal feed
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2026 Add to cart
Clostridia ground meat
Parameters (quantitative): sulfite-reducing Clostridia (vegetative) [cfu/g], anaerobic total count [cfu/g], anaerobic, mesophilic , sulfite-reducing spores [cfu/g], C.perfringens [cfu/g]
Article Number: 2010942
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 2
Frozen shipping June 2025 Add to cart
Clostridia ground meat
Article Number: 2010942
June 2026 Add to cart
Clostridia milk powder
Parameters (quantitative): sulfite-reducing Clostridia (vegetative) [cfu/g], anaerobic total count [cfu/g], anaerobic, mesophilic , sulfite-reducing spores [cfu/g], C.perfringens [cfu/g]
Article Number: 2010057
Description: Possible methods for participation, e.g.: ISO 7937, LFGB § 64 L06.00-39, ISO 4833, Baumgart et al. KapI.3, VDLUFA M 7.18.2.1, LFGB § 64 L 00.00-57
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 2
Frozen shipping June 2025 Add to cart
Clostridia milk powder
Article Number: 2010057
June 2026 Add to cart
Clostridia milk powder qualitative
Parameters (qualitative): Clostridia spp.
Article Number: 2010940
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 2
Frozen shipping June 2025 Add to cart
Clostridia milk powder qualitative
Parameters (qualitative): Clostridia spp.
Article Number: 2010940
June 2026 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Parameters (quantitative): CO2 [mg]
Article Number: 2011136
Description: The samples should be tested for biodegradability under aerobic conditions at 25°C over a period of 28 days.
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping September 2025 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Article Number: 2011136
September 2026 Add to cart
Coagulase-positive Staphylococcus cheese
Parameters (quantitative): coagulase-positive Staphylococcus [cfu/g], aerobic total count [cfu/g]
Article Number: 2010469
Description: Possible methods for participation, e.g.: ISO 6888-1, §35 LFGB L00.00-55, ISO 6888-2, §35 LFGB L00.00-56, ISO 6888-3
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 2
Frozen shipping July 2025 Add to cart
Coagulase-positive Staphylococcus cheese
Article Number: 2010469
July 2026 Add to cart
Coagulase-positive Staphylococcus ground meat
Parameters (quantitative): coagulase-positive Staphylococcus [cfu/g], aerobic total count [cfu/g]
Article Number: 2010142
Description: Possible methods for participation, e.g.: ISO 6888-1, §35 LFGB L00.00-55; ISO 6888-2, §35 LFGB L00.00-56; ISO 6888-3
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 2
Frozen shipping March 2025 Add to cart
Coagulase-positive Staphylococcus ground meat
Article Number: 2010142
March 2026 Add to cart
Coagulase-positive Staphylococcus milk powder
Parameters (quantitative): coagulase-positive Staphylococcus [cfu/g], aerobic total count [cfu/g]
Article Number: 2010083
Description: Possible methods for participation, e.g.: ISO 6888-1, §35 LFGB L00.00-55, ISO 6888-2, §35 LFGB L00.00-56, ISO 6888-3
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 2
Frozen shipping March 2025 Add to cart
Coagulase-positive Staphylococcus milk powder
Article Number: 2010083
March 2026 Add to cart
Coagulase-positive Staphylococcus milk powder qualitative
Parameters (qualitative): coagulase-positive Staphylococcus qualitative
Article Number: 2010930
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 2
Frozen shipping March 2025 Add to cart
Coagulase-positive Staphylococcus milk powder qualitative
Parameters (qualitative): coagulase-positive Staphylococcus qualitative
Article Number: 2010930
March 2026 Add to cart
Coated fabrics - adhesion ISO 2411
Parameters (quantitative): Adhesion strength [N]
Article Number: 2011050
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Coated fabrics - adhesion ISO 2411
Article Number: 2011050
May 2026 Add to cart
Coated fabrics - tear resistance (B) ISO 4674-1
Parameters (quantitative): Tear force [N]
Article Number: 2010631
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS 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.