Name Planned shipping method Start Date  
Charpy impact ISO 179-1 (1eU)
Parameters (quantitative): Charpy impact resistance [kJ/m²]
Article Number: 2010773
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2026 Add to cart
Chip Resistance SAE J400
Article Number: 2011042
Description: Testing according to method C
Category: physical mechanical testing material testing plastics (painting)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Chloride content in hardened concrete EN 14629
Parameters (quantitative): Chloride content [%]
Article Number: 2010205
Category: chemical-physical testing material testing hardened concrete
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
completed testing items ca. 600 g
Shipping at room temperature November 2025 Add to cart
Chloride content in hardened concrete EN 14629
Article Number: 2010205
November 2026 Add to cart
Chloride content of cement EN 196-2
Parameters (quantitative): Chloride content [%]
Article Number: 2010266
Category: chemical-physical testing material testing cement
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature November 2025 Add to cart
Chloride content of cement EN 196-2
Article Number: 2010266
November 2026 Add to cart
Chocolate
Parameters (quantitative): total fat [g/100 g], milk fat [g/100 g], crude protein (N x 6,25) [g/100 g], water content [g/100 g], lactose (monohydrate) [g/100 g], sucrose (anhydrous) [g/100 g], theobromine [mg/100 g], caffeine [mg/100 g], dry matter [g/100 g]
Article Number: 2010025
Category: chemical-physical testing food and feed cocoa and chocolate
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping February 2026 Add to cart
Chocolate (profile testing)
Parameters (quantitative): visual: brightness of the brown color (light - dark) [cm], olfactory: cocoa odour (little - much) [cm], gustatory: cocoa flavour (little - much) [cm], gustatory: sweetness (very sweet - little sweet) [cm], gustatory: bitterness (little bitter - very bitter) [cm], texture: hardness (low degree of hardness - high degree of hardness) [cm], mouthfeel: melting quality (fast melting - slow melting) [cm], mouthfeel: adstringency (little - much) [cm]
Article Number: 3010051
Category: sensory testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature November 2025 Add to cart
Chocolate (profile testing)
Article Number: 3010051
November 2026 Add to cart
Chocolate (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010049
Category: sensory testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the DAkkS accreditation.
Refrigerated shipping May 2026 Add to cart
CIPP - Short-term flexural properties ISO 11296-4
Parameters (quantitative): Apparent flexural modulus [MPa], Apparent Flexural stress at first break [MPa], Apparant Flexural strain at first break [%]
Article Number: 2010537
Category: physical mechanical testing material testing fibre-reinforced plastics
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
CISPR 16-2-1 - EN 55016-2-1 - EN 55011
Parameters (quantitative): max. voltage level [dB (µV)] in different frequency ranges
Article Number: 2011054
Description: The EMC test object consists of a tabletop unit with various supply connection options suitable for the specific task, e.g. 230V / 50 Hz, 12 V DC, 28 V DC. Operation via an integrated touch display with intuitive user interface. Important test parameters: 150 kHz - 30 MHz
Category: physical mechanical testing material testing electromagnetic compatibility
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional test chambers or additional test places are charged with 50% of the proficiency testing price
Shipping at room temperature May 2026 Add to cart
CISPR 16-2-3 - EN 55016-2-3 - EN 55011
Parameters (quantitative): max. field strength [dBµV/m] in different frequency ranges
Article Number: 2010931
Description: The EMC test object consists of a tabletop unit with various supply connection options suitable for the specific task, e.g. 230V / 50 Hz, 12 V DC, 28 V DC. Operation via an integrated touch display with intuitive user interface. Important test parameters: 30 MHz - 6 GHz Antenna distance 3 m, (EN 55011 up to 1 GHz)
Category: physical mechanical testing material testing electromagnetic compatibility
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional test chambers or additional test places are charged with 50% of the proficiency testing price
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
CISPR 16-2-3 - EN 55016-2-3 - EN 55011
Article Number: 2010931
April 2026 Add to cart
Cleanliness (gravimetric) VDA 19.1, ISO 16232
Parameters (quantitative): Residue weight [mg]
Article Number: 2011172
Category: physical mechanical 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 May 2025 Add to cart
Cleanliness (gravimetric) VDA 19.1, ISO 16232
Article Number: 2011172
May 2026 Add to cart
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
Unfortunately, no further booking is possible this year.
Frozen shipping May 2025
Clostridia ground meat
Article Number: 2010942
June 2026 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.