Name Planned shipping method Start Date  
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
Is currently underway. Can still be booked.
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 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.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Coating thickness - X-ray spectrometric method ISO 3497
Article Number: 2010371
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
Coating thicknesses, potential difference (nickel layers) ISO 16866, ASTM B764
Parameters (quantitative): Thickness mp-Ni [µm], Thickness bright-Ni [µm], Thickness semi-bright-Ni [µm], Potential difference (mp-Ni to bright-Ni) [mV], Potential difference (semi-bright-Ni to bright-Ni) [mV]
Article Number: 2010241
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
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.