Name Planned shipping method Start Date  
Characteristic microorganisms yoghurt
Parameters (quantitative): Lactobacillus bulgaricus [cfu/g], Streptococcus thermophilus [cfu/g]
Article Number: 2010317
Category: immunological, molecular biological and microbiological testing food and feed milk products (other)
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
Characteristic microorganisms yoghurt
Article Number: 2010317
May 2026 Add to cart
Charge decay EN 1149-3
Parameters (quantitative): half decay time of charge t50 [s], shielding factor S [-]
Article Number: 2010100
Description: Indution charging (test method 2)
Category: chemical-physical testing material testing protective clothing
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Charge decay EN 1149-3
Article Number: 2010100
May 2026 Add to cart
Charpy flexural impact test polyamide 6 and 66 ISO 179-1
Parameters (quantitative): Notched Charpy impact [kJ/m²], Charpy impact resistance [kJ/m²]
Article Number: 2010817
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
Charpy impact at -30°C ISO 179-1
Parameters (quantitative): Charpy impact resistance -30°C [kJ/m²], Notched Charpy impact -30°C 1 [kJ/m²]
Article Number: 2010824
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Charpy impact at -30°C ISO 179-1
Article Number: 2010824
April 2026 Add to cart
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.
Is currently underway. Can still be booked.
Shipping at room temperature April 2025 Add to cart
Charpy impact ISO 179-1 (1eU)
Article Number: 2010773
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 2025 Add to cart
Chip Resistance SAE J400
Article Number: 2011042
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 April 2025 Add to cart
Chocolate (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010049
May 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.