Name Planned shipping method Start Date  
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 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
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Parameters (quantitative): Evaluation by participant: Change in colour with greyscale and colour measurement ΔE*-value, Evaluation by DRRR: Change in colour ΔE*-value
Article Number: 2010846
Description: For this Proficiency test a return of the tested samples is required!
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 April 2025 Add to cart
Sunlight simulation DIN 75220 D-IN1-T, VDA 230-219
Article Number: 2010846
April 2026 Add to cart
Surface coating thickness ISO 17186
Parameters (quantitative): thickness of the surface coating [µm]
Article Number: 2010709
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
Surface coating thickness ISO 17186
Article Number: 2010709
April 2026 Add to cart
Surface resistance IEC 62631-3-2, VDE 0307-3-2
Parameters (quantitative): Surface resistance RSC [E+05 Ω], Spezific Surface resistance σC [E+05 Ω]
Article Number: 2010547
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 May 2025 Add to cart
Surface resistance IEC 62631-3-2, VDE 0307-3-2
Article Number: 2010547
May 2026 Add to cart
Surface resistivity EN 1149-1
Parameters (quantitative): Surface resistance R [Ω], Specific surface resistance ρ [Ω]
Article Number: 2010096
Category: chemical-physical testing material testing protective clothing
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Surface resistivity EN 1149-1
Article Number: 2010096
May 2026 Add to cart
Surge immunity IEC 61000-4-5
Article Number: 2011058
Description: The EMC test object consists of a tabletop unit with 230 VAC / 50 Hz / 10 A supply connection (single-phase). Operation via an integrated touch display with intuitive user interface.
Category: physical mechanical testing material testing Electromagnetic compatibility
Accreditation: This proficiency test is not included in the scope of the accreditation.
additional test chambers or additional test places are charged with 50% of the proficiency testing price
Is currently underway. Can still be booked.
Shipping at room temperature October 2024 Add to cart
Surge immunity IEC 61000-4-5
Article Number: 2011058
May 2025 Add to cart
Surge immunity IEC 61000-4-5
Article Number: 2011058
May 2026 Add to cart
T-Peel test ISO 11339
Article Number: 2010879
Category: physical mechanical testing material testing films
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2025 Add to cart
T-Peel test ISO 11339
Article Number: 2010879
March 2026 Add to cart
Tattoo ink - aromatic amines
Parameters (quantitative): aniline (CAS 62-53-3) [mg/kg], o-anisidine (CAS 90-04-0) [mg/kg], o-toluidine (CAS 95-53-4) [mg/kg], 5-nitro-o-toluidine (CAS 99-55-8) [mg/kg]
Article Number: 2010340
Description: Tattoo inks are suspected to have a negative influence on human beings health. Azo dyes which may set aromatic amines free play an important role concerning this assessment. This proficiency testing scheme was designed to enable the participants to show the comparability in the analysis of aromatic amines in tattoo inks.
Category: chemical-physical testing consumer goods and packaging tattoo ink
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping April 2025 Add to cart
Tattoo ink - aromatic amines
Article Number: 2010340
April 2026 Add to cart
Tattoo ink - elements
Parameters (quantitative): nickel (Ni) [mg/kg], cadmium (Cd) 1 [mg/kg], lead (Pb) 1 [mg/kg], zinc (Zn) 1 [mg/kg], arsenic (As) 1 [mg/kg], iron (Fe) 1 [mg/kg], aluminium (Al) 1 [mg/kg], copper (Cu) 1 [mg/kg], mercury (Hg) 1 [mg/kg]
Article Number: 2010560
Description: Possible testing e.g. by EN ISO 21392, § 64 LFGB K 84.00-31
Category: chemical-physical testing consumer goods and packaging tattoo ink
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Refrigerated shipping November 2024 Add to cart
Tattoo ink - elements
Article Number: 2010560
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.