Name Planned shipping method Start Date  
Tattoo ink - PAKs
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: 2011269
Description: Possible testing e.g. by ASTM D8143 – 17
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.
New proficiency testing
Refrigerated shipping December 2025 Add to cart
Tattoo ink - PAKs
Article Number: 2011269
December 2026 Add to cart
Tattoo ink - preservatives
Parameters (quantitative): BIT (CAS 2634-33-5 ) [mg/kg]
Article Number: 2010338
Description: Other names of the parameters are e.g. 1,2-benzothiazol-3-one, benzisothiazolin-3-one, 1,2-benzisothiazol-3(2H)on, Proxan.
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 - preservatives
Article Number: 2010338
April 2026 Add to cart
Tattoo ink - residual solvents
Parameters (quantitative): benzene (CAS 71-43-2) [µg/kg], toluene (CAS 108-88-3) [µg/kg], ethylbenzen (CAS 100-41-1) [µg/kg], xylene (CAS 1330-20-7) [µg/kg]
Article Number: 2011270
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.
New proficiency testing
Frozen shipping December 2025 Add to cart
Tattoo ink - residual solvents
Article Number: 2011270
December 2026 Add to cart
Tattoo ink- N-nitrosamine
Parameters (quantitative): NDPA (CAS 621-64-7) [µg/kg], NDMA (CAS 62-75-9) [µg/kg], NDELA (CAS 1116-54-7) [µg/kg]
Article Number: 2011271
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.
New proficiency testing
Frozen shipping December 2025 Add to cart
Tattoo ink- N-nitrosamine
Article Number: 2011271
December 2026 Add to cart
Testing of benzophenone in food simulating matrix
Parameters (quantitative): benzophenon (CAS 119-61-9) (ethanol 10%) [mg/kg], benzophenon (CAS 119-61-9) (ethanol 95%) [mg/kg]
Article Number: 2010448
Category: chemical-physical testing consumer goods and packaging paper and board
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping April 2025 Add to cart
Testing of benzophenone in food simulating matrix
Article Number: 2010448
April 2026 Add to cart
Textiles - aromatic amines from azo dyes (ISO 14362-1)
Parameters (quantitative): o-toluidine (CAS 95-53-4) [mg/kg], o-anisidine (CAS 90-04-0) [mg/kg], o-dianisidine (CAS 119-90-4) [mg/kg]
Article Number: 2010328
Description: Possible testing e.g. by EN ISO 14362-1
Category: chemical-physical testing consumer goods and packaging textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2025 Add to cart
Textiles - aromatic amines from azo dyes (ISO 14362-1)
Article Number: 2010328
November 2026 Add to cart
Textiles - bisphenols
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: 2011262
Category: chemical-physical testing consumer goods and packaging textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping May 2025 Add to cart
Textiles - bisphenols
Article Number: 2011262
May 2026 Add to cart
Textiles - chlorobenzenes and chlorotoluenes (EN 17137)
Parameters (quantitative): 2-Chlorotoluene (CAS 95–49–8) [mg/kg], 3-Chlorotoluene (CAS 108–41–8) [mg/kg], 4-Chlorotoluene (CAS 106–43–4) [mg/kg], 2,3-Dichlorotoluene (CAS 32768–54–0) [mg/kg], 2,4-Dichlorotoluene (CAS 95–73–8) [mg/kg], 2,5-Dichlorotoluene (CAS 19398–61–9) [mg/kg], 2,6-Dichlorotoluene (CAS 118–69–4) [mg/kg], 3,4-Dichlorotoluene (CAS 95–75–0) [mg/kg], 2,3,6-Trichlorotoluene (CAS 2077–46–5) [mg/kg], 2,4,5-Trichlorotoluene (CAS 6639–30–1) [mg/kg], Pentachlorotoluene (CAS 877–11–2) [mg/kg], 1,2-Dichlorobenzene (CAS 95–50–1) [mg/kg], 1,3-Dichlorobenzene (CAS 541–73–1) [mg/kg], 1,4-Dichlorobenzene (CAS 106–46–7) [mg/kg], 1,2,3-Trichlorobenzene (CAS 87–61–6) [mg/kg], 1,2,4-Trichlorobenzene (CAS 120–82–1) [mg/kg], 1,3,5-Trichlorobenzene (CAS 108–70–3) [mg/kg], 1,2,3,4-Tetrachlorobenzene (CAS 634–66–2) [mg/kg], 1,2,3,5-Tetrachlorobenzene (CAS 634–90–2) [mg/kg], 1,2,4,5-Tetrachlorobenzene (CAS 95–94–3) [mg/kg]
Article Number: 2011017
Description: Possible testing e.g. by EN 17137
Category: chemical-physical testing consumer goods and packaging textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping May 2025 Add to cart
Textiles - chlorobenzenes and chlorotoluenes (EN 17137)
Article Number: 2011017
May 2026 Add to cart
Textiles - extractable dyestuffs (ISO 16373-2)
Parameters (qualitative): identification of various allergenic and carcinogenic dyes
Parameters (quantitative): quantification of the identified dyes
Article Number: 2011013
Description: Possible testing e.g. by EN ISO 16373-2
Category: chemical-physical testing consumer goods and packaging textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping June 2025 Add to cart
Textiles - extractable dyestuffs (ISO 16373-2)
Parameters (qualitative): identification of various allergenic and carcinogenic dyes
Article Number: 2011013
June 2026 Add to cart
Textiles - extractable metals (EN 16711-2)
Parameters (quantitative): chromium (Cr) [mg/kg], nickel (Ni) [mg/kg], cadmium (Cd) [mg/kg], lead (Pb) [mg/kg], antimony (Sb) [mg/kg], arsenic (As) [mg/kg], cobalt (Co) [mg/kg], copper (Cu) [mg/kg], barium (Ba) [mg/kg], manganese (Mn) [mg/kg], selenium (Se) [mg/kg], zinc (Zn) [mg/kg]
Article Number: 2010324
Description: To meet the requirements of the analysis of the standard of textiles it is essential to ensure the accuracy of the own analysis procedure.Through the participation in our proficiency testing scheme you can demonstrate the comparability of your analytical method regarding the testing of extractable heavy metals in textiles, e.g. by EN 16711-2
Category: chemical-physical testing consumer goods and packaging textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping July 2025 Add to cart
Textiles - extractable metals (EN 16711-2)
Article Number: 2010324
July 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.