Name Planned shipping method Start Date  
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 2027 Add to cart
Lead and cadmium in jewellery
Parameters (quantitative): lead (Pb) [mg/kg], cadmium (Cd) [mg/kg]
Article Number: 2010969
Description: The test should be carried out according to ASU B 82.02-23, ASU 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.
Shipping at room temperature September 2026 Add to cart
Lead and cadmium in jewellery
Article Number: 2010969
October 2027 Add to cart
Leak Detection - Dye Penetration Test ASTM F1929
Article Number: 2011415
Category: physical mechanical testing material testing films
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature October 2026 Add to cart
Leak Detection - Dye Penetration Test ASTM F1929
Article Number: 2011415
March 2027 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.
Is currently underway. Can still be booked.
Frozen shipping July 2026 Add to cart
Leather - 4-aminoazobenzene (ISO 17234-2)
Article Number: 2010200
July 2027 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], o-dianisidine (CAS 119-90-4) 1 [mg/kg], 5-nitro-o-toluidine (CAS 99-55-8) [mg/kg], o-aminoazotoluene (CAS 97-56-3) 1 [mg/kg], 4-chloroaniline (CAS 106-47-8) 1 [mg/kg], 3,3'-dichlorobenzidine (CAS 91-94-1) 1 [mg/kg], benzidine (CAS 92-87-5) 1 [mg/kg], o-tolidine (CAS 119-93-7) 1 [mg/kg], 2,4-diaminotoluene (CAS 95-80-7) 1 [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.
Is currently underway. Can still be booked.
Frozen shipping July 2026 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Article Number: 2010198
July 2027 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.
Frozen shipping April 2027 Add to cart
Leather - burning rate FMVSS 302 and DBL 5307
Parameters (quantitative): Burning rate [mm/min]
Article Number: 2010770
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2027 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.
Frozen shipping October 2026 Add to cart
Leather - chromium (VI)
Article Number: 2011251
October 2027 Add to cart
Leather - Colour fastness to migration ISO 15701
Article Number: 2011412
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature April 2027 Add to cart
Leather - colour fastness to perspiration ISO 11641
Parameters (quantitative): Change in color sample [grade], Staining of adjacent fabrics [grade]
Article Number: 2010643
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2027 Add to cart
Leather - colour fastness to water ISO 11642
Parameters (quantitative): Change in color sample [grade], Staining of adjacent fabrics [grade]
Article Number: 2010647
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2027 Add to cart
Leather - N-nitrosamines
Parameters (quantitative): NDBzA (CAS 5336-53-8) [mg/kg], NDBA (CAS 924-16-3) [mg/kg], NDELA (CAS 1116-54-7) [mg/kg], NDEA (CAS 55-18-5) [mg/kg], NDiBA (CAS 997-95-5) [mg/kg], NDiNA (CAS 1027995-62-7) [mg/kg], NDiPA (CAS 601-77-4) [mg/kg], NDMA (CAS 62-75-9) [mg/kg], NDPA (CAS 621-64-7) [mg/kg], NMEA (CAS 10595-95-6) [mg/kg], NMOR (CAS 59-89-2) [mg/kg], NEPhA (CAS 612-64-6) [mg/kg], NMPhA (CAS 614-00-6) [mg/kg], NPIP (CAS 100-75-4) [mg/kg], NPYR (CAS 930-55-2) [mg/kg]
Article Number: 2011253
Description: Possible testing e.g. by EN ISO 19577
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 November 2026 Add to cart
Leather - N-nitrosamines
Article Number: 2011253
November 2027 Add to cart
Leather - PAHs
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [mg/kg], benzo[e]pyrene (CAS 192-97-2) [mg/kg], benzo[a]anthracene (CAS 56-55-3) [mg/kg], chrysene (CAS 218-01-9) [mg/kg], benzo[b]fluoranthene (CAS 205-99-2) [mg/kg], benzo[j]fluoranthene (CAS 205-82-3) [mg/kg], benzo[k]fluoranthene (CAS 207-08-9) [mg/kg], dibenzo[a,h]anthracene (CAS 53-70-3) [mg/kg]
Article Number: 2011146
Description: Possible testing e.g. by EN ISO 16190
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping September 2026 Add to cart
Leather - PAHs
Article Number: 2011146
October 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.