Name Planned shipping method Start Date  
Whey powder
Parameters (quantitative): fat [g/100 g], moisture content [g/100 g], protein [g/100 g], ash [g/100 g], lactose (monohydrate) [g/100 g], titratable acid [g/100 g], pH value [-]
Article Number: 2010023
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 March 2025 Add to cart
Whey powder
Article Number: 2010023
March 2026 Add to cart
Whole milk powder
Parameters (quantitative): fat [g/100 g], free 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: 2010027
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 April 2025 Add to cart
Whole milk powder
Article Number: 2010027
April 2026 Add to cart
Width and thickness of specimen (type 1A)
Parameters (quantitative): Width [mm], Thickness [mm]
Article Number: 2010978
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
Width and thickness of specimen (type 1A)
Article Number: 2010978
April 2026 Add to cart
Wipe scratch resistance (Crockmeter) DBL 5425 (A.1.17)
Parameters (quantitative): Residual gloss [%], Residual gloss following reflow [%]
Article Number: 2010545
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
Wipe scratch resistance (Crockmeter) DBL 5425 (A.1.17)
Article Number: 2010545
May 2026 Add to cart
Wipes (4-field test) bactericidal activity (EN 16615)
Parameters (quantitative): bactericidal effect S.aureus conc. 1 1 [log10 cfu/ml], bactericidal effect S.aureus conc. 2 1 [log10 cfu/ml], bactericidal effect Ps.aeruginosa conc. 1 1 [log10 cfu/ml], bactericidal effect Ps.aeruginosa conc. 2 1 [log10 cfu/ml]
Article Number: 2011309
Description: Quantitative test method (phase 2, step 2) for the evaluation of bactericidal activity on non-porous surfaces with mechanical action employing wipes in the medical area (EN 16615)
Category: immunological, molecular biological and microbiological testing consumer goods and packaging disinfectant
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
New proficiency testing
Shipping at room temperature June 2025 Add to cart
Wipes (4-field test) bactericidal activity (EN 16615)
Article Number: 2011309
June 2026 Add to cart
Wipes (4-field test) levurocidal activity (EN 16615)
Parameters (quantitative): Levurocidal effect C.albicans conc. 1 [log10 cfu/ml], Levurocidal effect C.albicans conc. 2 [log10 cfu/ml]
Article Number: 2011310
Description: Quantitative test method (phase 2, step 2) for the evaluation of levurocidal activity on non-porous surfaces with mechanical action employing wipes in the medical area (EN 16615)
Category: immunological, molecular biological and microbiological testing consumer goods and packaging disinfectant
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
New proficiency testing
Shipping at room temperature June 2025 Add to cart
Wipes (4-field test) levurocidal activity (EN 16615)
Article Number: 2011310
June 2026 Add to cart
Wobble mass, slime - boron (EN 71-3)
Parameters (quantitative): boron (B) [mg/kg]
Article Number: 2010299
Description: Boron is one of the relevant parameters for the safety of toys. The migration of boron is examined according to EN 71-3. This PT enables the participants to present the comparability of their test results for the parameter boron in the matrix slime / wobble mass.
Category: chemical-physical testing consumer goods and packaging toys
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature September 2025 Add to cart
Wobble mass, slime - boron (EN 71-3)
Article Number: 2010299
September 2026 Add to cart
Xenon Arc Light Aging PV 1303
Parameters (quantitative): Colour change ΔL*-value [-], Colour change Δa*-value [-], Colour change Δb*-value [-]
Article Number: 2010667
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2025 Add to cart
Xenon Arc Light Aging PV 1303
Article Number: 2010667
March 2026 Add to cart
Yeasts cheese
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010176
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
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 1
Frozen shipping May 2025 Add to cart
Yeasts cheese
Article Number: 2010176
May 2026 Add to cart
Yeasts dates
Parameters (quantitative): yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010563
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
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
Yeasts dates
Article Number: 2010563
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.