Name Planned shipping method Start Date  
Simulated evaluation mould
Parameters (quantitative): Simulated colony enumeration, Calculation of microbial count
Article Number: 2011201
Category: immunological, molecular biological and microbiological testing food and feed simulated microbiological evaluation
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
July 2025 Add to cart
Simulated evaluation mould
Article Number: 2011201
July 2026 Add to cart
Simulated evaluation Sulfite-reducing clostridia
Parameters (quantitative): Simulated colony enumeration, Calculation of microbial count
Article Number: 2011203
Category: immunological, molecular biological and microbiological testing food and feed Simulated microbiological evaluation
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 November 2024 Add to cart
Simulated evaluation Sulfite-reducing clostridia
Article Number: 2011203
July 2025 Add to cart
Simulated evaluation Sulfite-reducing clostridia
Article Number: 2011203
July 2026 Add to cart
Simulated evaluation yeasts
Parameters (quantitative): Simulated colony enumeration, Calculation of microbial count
Article Number: 2011200
Category: immunological, molecular biological and microbiological testing food and feed Simulated microbiological evaluation
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 November 2024 Add to cart
Simulated evaluation yeasts
Article Number: 2011200
July 2025 Add to cart
Simulated evaluation yeasts
Article Number: 2011200
July 2026 Add to cart
Skimmed milk powder
Parameters (quantitative): fat [g/100 g], moisture content [g/100 g], crude protein (N x 6,38) [g/100 g], lactose (monohydrate) [g/100 g], ash [g/100 g], titratable acid [g/100 g], pH value 1 [-]
Article Number: 2010001
Category: chemical-physical testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
TNP
Refrigerated shipping September 2025 Add to cart
Skimmed milk powder
Article Number: 2010001
September 2026 Add to cart
Skin abrasion test PV 3991
Parameters (quantitative): Brightness difference ΔL* [-], Gloss level difference ΔGU [-]
Article Number: 2010719
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2025 Add to cart
Skin abrasion test PV 3991
Article Number: 2010719
April 2026 Add to cart
Slide fasteners (zips) EN 16732
Parameters (quantitative): strength of puller attachment [performance level], resistance to reciprocation [performance level], lateral strength of slide fastener [performance level], strength of slider locking device [performance level]
Article Number: 2010271
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Slide fasteners (zips) EN 16732
Article Number: 2010271
May 2026 Add to cart
Slippage resistance yarn - Fixed seam opening ISO 13936-1
Parameters (quantitative): Force at seam opening 2 mm - warp [N], Force at seam opening 2 mm - weft [N]
Article Number: 2010841
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
Slippage resistance yarn - Fixed seam opening ISO 13936-1
Article Number: 2010841
May 2026 Add to cart
Slippage resistance yarns - Fixed load ISO 13936-2
Parameters (quantitative): Seam opening - warp [mm], Seam opening - weft [mm]
Article Number: 2011103
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
Slippage resistance yarns - Fixed load ISO 13936-2
Article Number: 2011103
May 2026 Add to cart
Soft cheese
Parameters (quantitative): fat 1 [g/100g], dry matter 1 [g/100g], protein (N x 6,38) 1 [g/100g], sodium chloride 1 [g/100g], pH value 1 [-]
Article Number: 2010037
Description: The matrix soft cheese is more difficult to analyze than other cheese matrixes as the manufacture of soft cheese shows production fluctuations in principle. In addition the handling of cheese rind raises lots of questions again and again.
Category: chemical-physical testing food and feed cheese
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping May 2025 Add to cart
Soft cheese
Article Number: 2010037
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.