Name Planned shipping method Start Date  
Spoiling agents in fruit juice concentrate & compounds 1
Parameters (qualitative): spoiling agents qualitative
Parameters (quantitative): spoiling agents quantitative [cfu/g], aerobic total count [cfu/g]
Article Number: 2010199
Description: Yeasts, moulds, lactobacilli or acetic acid bacteria should be alternating analysed, e.g. with IFU-Method 2, IFU-Method 3, IFU-Method 4, IFU-Method 5
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping April 2025 Add to cart
Spoiling agents in fruit juice concentrate & compounds 1
Parameters (qualitative): spoiling agents qualitative
Article Number: 2010199
April 2026 Add to cart
Spoiling agents in fruit juice concentrate & compounds 2
Parameters (qualitative): spoiling agents qualitative
Parameters (quantitative): spoiling agents quantitative [cfu/g], aerobic total count [cfu/g]
Article Number: 2010491
Description: Yeasts, moulds, lactobacilli or acetic acid bacteria should be alternating analysed, e.g. with IFU-Method 2, IFU-Method 3, IFU-Method 4, IFU-Method 5
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping November 2025 Add to cart
Spoiling agents in fruit juice concentrate & compounds 2
Parameters (qualitative): spoiling agents qualitative
Article Number: 2010491
November 2026 Add to cart
Streptococci (faecal) mineral water and table water
Parameters (qualitative): streptococci (faecal) qualitative
Article Number: 2010676
Description: Possible methods for participation, e.g.: mineral- and table water regulation
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping October 2025 Add to cart
Streptococci (faecal) mineral water and table water
Parameters (qualitative): streptococci (faecal) qualitative
Article Number: 2010676
October 2026 Add to cart
Sugar free candies
Parameters (quantitative): glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], sucrose (anhydrous) [g/100 g], water content [g/100 g]
Article Number: 2010327
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature December 2025 Add to cart
Sugar free candies
Article Number: 2010327
December 2026 Add to cart
Sugar mix (fruit preparation)
Parameters (quantitative): sucrose (anhydrous) [g/100 g], glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], maltose (anhydrous) [g/100 g], starch [g/100 g], aspartame [ppm], acesulfam K [ppm], sorbate (as anion) [ppm], saccharin as free imide [ppm], total sugar (anhydrous) 1 [g/100 g]
Article Number: 2010051
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Sugar mix (fruit preparation)
Article Number: 2010051
July 2026 Add to cart
Sugar substitutes in food
Parameters (quantitative): Isomalt (sum of GPS and GPM) (anhydrous) [g/100 ml], Lactitol (anhydrous) [g/100 ml], Maltitol (anhydrous) [g/100 ml], Mannitol (anhydrous) [g/100 ml], Sorbitol (anhydrous) [g/100 ml], Xylitol (anhydrous) [g/100 ml]
Article Number: 2010359
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 August 2025 Add to cart
Sugar substitutes in food
Article Number: 2010359
August 2026 Add to cart
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
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
Sulfite-reducing, spore-forming anaerobes mineral water
Parameters (qualitative): sulfite-reducing, spore-forming anaerobes qualitative
Article Number: 2010952
August 2026 Add to cart
Tea
Parameters (quantitative): dry matter [g/100 g], ash [g/100 g dry matter], water soluble ash [g/100 g dry matter], water soluble extract [g/100 g dry matter], caffeine [g/100 g dry matter], theobromine [mg/100 g dry matter], theophylline [mg/100 g dry matter], acid-insoluble ash [g/100 g dry matter]
Article Number: 2010394
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.
Refrigerated shipping October 2025 Add to cart
Tea
Article Number: 2010394
October 2026 Add to cart
Tea (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010031
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the DAkkS accreditation.
Refrigerated shipping November 2025 Add to cart
Tea (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010031
November 2026 Add to cart
Texture test (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010054
Category: sensory testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping April 2025 Add to cart
Texture test (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010054
April 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.