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 December 2025 Add to cart
Clostridia animal feed
Article Number: 2010188
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 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 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 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 December 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 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 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 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 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 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 2026 Add to cart
Coated fabrics - Thickness ISO 2286-3
Parameters (quantitative): Thickness [mm]
Article Number: 2010150
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature May 2026 Add to cart
Coated fabrics – flex resistance (flexometer) ISO 32100
Parameters (quantitative): Damage / visible change (12 500) [grade], Damage / visible change (125 000) [grade], Damage / visible change (200 000) [grade]
Article Number: 2010990
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature May 2026 Add to cart
Coated fabrics – tensile properties ISO 1421
Parameters (quantitative): Maximum force [N], Elongation at maximum force [%]
Article Number: 2010991
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 2026 Add to cart
Coating thickness - Magnetic method ISO 2178
Parameters (quantitative): Layer thickness [µm]
Article Number: 2010615
Category: physical mechanical testing material testing metals
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Coating thickness - X-ray spectrometric method ISO 3497
Parameters (quantitative): Layer thickness Nickel [µm], Layer thickness Chrome [µm], Layer thickness Tin [µm], Layer thickness Silver [µm], Layer thickness Gold [µm], Layer thickness Zinc [µm]
Article Number: 2010371
Category: chemical-physical testing material testing metals
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2026 Add to cart
Coating thickness (Cu-Ni-Cr) ISO 1456 (ISO 1463, ISO 2177)
Parameters (quantitative): Layer thickness Cu [µm], Layer thickness Ni (total) [µm], Layer thickness Cr [µm]
Article Number: 2010239
Category: physical mechanical testing material testing plastics (Electroplating)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature May 2026 Add to cart
Coating thickness Amplitude-sensitive eddy-current method ISO 2360
Parameters (quantitative): Layer thickness [µm]
Article Number: 2010295
Category: physical mechanical testing material testing metals
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.