Name Planned shipping method Start Date  
aerobic bacteria in tattoo ink
Parameters (quantitative): aerobic total count [cfu/g]
Article Number: 2010354
Description: Possible methods for participation, e.g.: Tattoo product regulation
Category: immunological, molecular biological and microbiological testing consumer goods and packaging tattoo ink
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Is currently underway. Can still be booked.
Frozen shipping November 2024 Add to cart
Aerobic bacteria in tattoo ink
Article Number: 2010354
October 2025 Add to cart
Aerobic bacteria in tattoo ink
Article Number: 2010354
October 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
Tattoo ink - elements
Article Number: 2010560
April 2026 Add to cart
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
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.