Name Planned shipping method Start Date  
Carrot juice
Parameters (quantitative): relative density (20 °C/20 °C) [-], pH value [-], total acid (pH 8.1) calculated as tartaric acid [g/l], sucrose (anhydrous) [g/l], fructose (anhydrous) [g/l], glucose (anhydrous) [g/l], nitrate [mg/l], total β-carotene [mg/100 g], α-carotene [mg/100 g], total carotenes [mg/100 g], total sugar (anhydrous) [g/l]
Article Number: 2010402
Category: chemical-physical testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2025 Add to cart
Carrot juice
Article Number: 2010402
October 2026 Add to cart
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
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
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 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 May 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 May 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
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
Unfortunately, no further booking is possible this year.
Frozen shipping February 2025
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.