Name Planned shipping method Start Date  
Thickness of nonwovens ISO 9073-2
Parameters (quantitative): Thickness [mm]
Article Number: 2010732
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 2025 Add to cart
Thickness of nonwovens ISO 9073-2
Article Number: 2010732
May 2026 Add to cart
Threshold value examination off flavour
Parameters (qualitative): threshold value
Article Number: 3010022
Category: sensory testing consumer goods and packaging packaging
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping August 2025 Add to cart
Threshold value examination off flavour
Parameters (qualitative): threshold value
Article Number: 3010022
August 2026 Add to cart
Tissue products - Grammage ISO 12625-6
Article Number: 2011032
Category: chemical-physical testing material testing paper and board
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Tissue products - Grammage ISO 12625-6
Article Number: 2011032
October 2026 Add to cart
Tissue products - Thickness ISO 12625-3
Article Number: 2011030
Category: physical mechanical testing material testing paper and board
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Tissue products - Thickness ISO 12625-3
Article Number: 2011030
October 2026 Add to cart
Tissue products - Water-absorption capacity ISO 12625-8
Article Number: 2011031
Category: chemical-physical testing material testing paper and board
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Tissue products - Water-absorption capacity ISO 12625-8
Article Number: 2011031
October 2026 Add to cart
Tomato juice
Parameters (quantitative): total ergosterol [mg/l]
Article Number: 2010154
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 November 2025 Add to cart
Tomato juice
Article Number: 2010154
November 2026 Add to cart
Tomato ketchup
Parameters (quantitative): pH value [-], total acid (pH 8.1) calculated as acetic acid [g/100 g], citric acid (anhydrous) [g/100 g], sodium chloride [g/100 g], glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], soluble solids [g/100 g], dry matter [g/100 g], sorbic acid [g/kg], benzoic acid [g/kg], sucrose (anhydrous) [g/100 g], total sugar (anhydrous) 1 [g/100 g]
Article Number: 2010390
Description: With the three PT-schemes mayonnaise, tomato ketchup and mustard we offer a high quality assurance program for the most popular sauces and basic ingredients for many further foodstuff throughout the world. The requested parameters are the most important value-determining attributes like the egg content in mayonnaise as well as technologically relevant parameters like preservatives.
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 June 2025 Add to cart
Tomato ketchup
Article Number: 2010390
July 2026 Add to cart
Total carbon emission VDA 277 - PV 3341
Parameters (quantitative): Total carbon emission [μg C/g]
Article Number: 2010843
Category: chemical-physical 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 March 2025 Add to cart
Total carbon emission VDA 277 - PV 3341
Article Number: 2010843
March 2026 Add to cart
Total count in milk 1
Parameters (quantitative): aerobic total count [cfu/g]
Article Number: 2010612
Description: Possible methods for participation, e.g.: ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
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
Total count in milk 1
Article Number: 2010612
May 2026 Add to cart
Total count recooling water
Parameters (quantitative): aerobic total count 36°C [cfu/ml], aerobic total count 22°C [cfu/ml]
Article Number: 2010962
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Frozen shipping July 2025 Add to cart
Total count recooling water
Article Number: 2010962
July 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.