Name Planned shipping method Start Date  
Soiling Behavior PV 3968
Parameters (quantitative): Soiling Behavior [gray-scale grade]
Article Number: 2010695
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 leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2025 Add to cart
Soiling Behavior PV 3968
Article Number: 2010695
April 2026 Add to cart
Solar UV protective properties EN 13758-1
Parameters (quantitative): mean of the UPF [-], Ultraviolet Protection Factor UPF [-]
Article Number: 2010514
Category: chemical-physical 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
Solar UV protective properties EN 13758-1
Article Number: 2010514
May 2026 Add to cart
Solvent extract ISO 1407
Parameters (quantitative): Solvent extract [%]
Article Number: 2010875
Category: chemical-physical testing material testing rubber & TPE
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Solvent extract ISO 1407
Article Number: 2010875
May 2026 Add to cart
Solvent residues in food
Parameters (quantitative): methanol (CAS 67-56-1) [mg/kg], acetone (CAS 67-64-1) [mg/kg], n-hexane (CAS 110-54-3) [mg/kg], dichloromethane (CAS 75-09-2) [mg/kg], methyl acetate (CAS 79-20-9) [mg/kg]
Article Number: 2010943
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 December 2024 Add to cart
Solvent residues in food
Article Number: 2010943
December 2025 Add to cart
Solvent residues in food
Article Number: 2010943
December 2026 Add to cart
Sour cream - Crème fraiche
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], pH value [-]
Article Number: 2010170
Description: The testing of sour creme and crème fraîche differs from the testing of other milk products concerning the sample preparation. The proficiency testing is suitable for those laboratories which want to show their compenetce in the testing of this products.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping December 2025 Add to cart
Sour cream - Crème fraiche
Article Number: 2010170
December 2026 Add to cart
Source of radiant heat - protective effect ISO 6942 (method B)
Article Number: 2011229
Category: chemical-physical testing material testing protective clothing
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature May 2025 Add to cart
Source of radiant heat - protective effect ISO 6942 (method B)
Article Number: 2011229
May 2026 Add to cart
Soy (GMO)
Parameters (qualitative): Detection of screening elements P-35S, T-NOS and P-FMV
Parameters (quantitative): relative amount GTS 40-3-2 [%], relative amount MON 89788 [%]
Article Number: 2010720
Category: immunological, molecular biological and microbiological testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping November 2025 Add to cart
Soy (GMO)
Parameters (qualitative): Detection of screening elements P-35S, T-NOS and P-FMV
Article Number: 2010720
November 2026 Add to cart
Specular Gloss ASTM D523
Parameters (quantitative): Gloss grade 20° [Gloss unit], Gloss grade 60° [Gloss unit], Gloss grade 85° [Gloss unit]
Article Number: 2010649
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2025 Add to cart
Specular Gloss ASTM D523
Article Number: 2010649
March 2026 Add to cart
Specular gloss ISO 2813
Parameters (quantitative): Gloss grade 20° [Gloss unit], Gloss grade 60° [Gloss unit], Gloss grade 85° [Gloss unit]
Article Number: 2010722
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2025 Add to cart
Specular gloss ISO 2813
Article Number: 2010722
March 2026 Add to cart
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
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.