Name Planned shipping method Start Date  
Hexamethylenediamine in food simulants (CEN TS 13130-21)
Parameters (quantitative): hexamethylene diamine (ethanol 10%) [mg/kg], hexamethylene diamine (dist. water) [mg/kg], hexamethylene diamine (acetic acid 3%) [mg/kg]
Article Number: 2011102
Description: Possible testing e.g. by CEN/TS 13130-21
Category: chemical-physical testing consumer goods and packaging plastics, plastic film
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping October 2025 Add to cart
Hexamethylenediamine in food simulants (CEN TS 13130-21)
Article Number: 2011102
October 2026 Add to cart
Hygienic rinsing agent - disinfectant
Parameters (quantitative): DDAC-C10 (CAS 7173-51-5) [mg/l], BAC C12-C16 (CAS 68424-85-1) [mg/l]
Article Number: 2010432
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature July 2025 Add to cart
Hygienic rinsing agent - disinfectant
Article Number: 2010432
July 2026 Add to cart
Identification of germs O W-emulsion
Parameters (qualitative): identification of germs
Article Number: 2010077
Description: Possible methods for participation, e.g.: ISO 18415, Pharm.Eur 2.6.13 Each year, a varying selection of 3 different relevant microorganisms are used for identification.
Category: immunological, molecular biological and microbiological testing consumer goods and packaging cosmetic
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping October 2025 Add to cart
Identification of germs O W-emulsion
Parameters (qualitative): identification of germs
Article Number: 2010077
October 2026 Add to cart
Jewellery (acc. to EN 1811)
Parameters (quantitative): surface area [cm²], nickel release [µg/cm²/week]
Article Number: 2010568
Description: Due to the increasing number of nickel containing prodcuts the amount of nickel allergies increases. Nickel is the most frequent cause for contact allergies. Therefore the nickel release is determined according to EN 1811. This proficiency testing is intended for all laboratories which test the nickel release on a routine basis or are establishing the method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature July 2025 Add to cart
Jewellery (acc. to EN 1811)
Article Number: 2010568
July 2026 Add to cart
Lead and cadmium in jewelry
Parameters (quantitative): lead (Pb) [mg/kg], cadmium (Cd) [mg/kg]
Article Number: 2010969
Description: The test should be carried out according to §64 LFGB B 82.02-23, §64 LFGB B 82.02-24 or a comparable method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping October 2025 Add to cart
Lead and cadmium in jewelry
Article Number: 2010969
October 2026 Add to cart
Leather - 4-aminoazobenzene (ISO 17234-2)
Parameters (quantitative): 4-aminoazobenzene (CAS 60-09-3) [mg/kg]
Article Number: 2010200
Description: Possible testing e.g. by EN ISO 17234-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Leather - 4-aminoazobenzene (ISO 17234-2)
Article Number: 2010200
July 2026 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Parameters (quantitative): o-toluidine (CAS 95-53-4) [mg/kg], o-anisidine (CAS 90-04-0) [mg/kg], 5-nitro-o-toluidine (CAS 99-55-8) [mg/kg]
Article Number: 2010198
Description: Possible testing e.g. by EN ISO 17234-1
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2025 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Article Number: 2010198
July 2026 Add to cart
Leather - bisphenols (ISO 11936)
Parameters (quantitative): bisphenol A (CAS 80-05-7) [mg/kg], bisphenol B (CAS 77-40-7) [mg/kg], bisphenol F (CAS 620-92-8) [mg/kg], bisphenol S (CAS 80-09-1) [mg/kg]
Article Number: 2011145
Description: Possible testing e.g. by EN ISO 11936
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Frozen shipping March 2025 Add to cart
Leather - bisphenols (ISO 11936)
Article Number: 2011145
April 2026 Add to cart
Leather - chromium (VI)
Parameters (quantitative): chromium VI (Cr VI) [mg/kg]
Article Number: 2011251
Description: Possible testing e.g. by EN ISO 17075-1; EN ISO 17075-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Frozen shipping October 2025 Add to cart
Leather - chromium (VI)
Article Number: 2011251
October 2026 Add to cart
Leather - pesticide residues content (ISO 22517)
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011122
Description: This is a multi-residue proficiency test. For the PT on pesticides, a pre-selection of pesticides was made according to relevance: listed in the list of analytes published by the DRRR. This is available via the DRRR homepage: https://drrr.de/en/proficiency-testing/food-and-feed/ From this list, a selection of pesticides will be available for identification and quantification in the PT round. Possible testing e.g. by EN ISO 22517
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2025 Add to cart
Leather - pesticide residues content (ISO 22517)
Parameters (qualitative): identification of various pesticides
Article Number: 2011122
October 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.