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.
Refrigerated shipping December 2025 Add to cart
Tattoo ink - PAKs
Article Number: 2011269
December 2026 Add to cart
Tattoo ink - PAKs
Article Number: 2011269
December 2027 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 2026 Add to cart
Tattoo ink - preservatives
Article Number: 2010338
April 2027 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.
Frozen shipping December 2026 Add to cart
Tattoo ink - residual solvents
Article Number: 2011270
December 2027 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.
Frozen shipping December 2026 Add to cart
Tattoo ink- N-nitrosamine
Article Number: 2011271
December 2027 Add to cart
Tea
Parameters (quantitative): dry matter [g/100 g], ash [g/100 g dry matter], water soluble ash [g/100 g dry matter], water soluble extract [g/100 g dry matter], caffeine [g/100 g dry matter], theobromine [mg/100 g dry matter], theophylline [mg/100 g dry matter], acid-insoluble ash [g/100 g dry matter]
Article Number: 2010394
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.
Unfortunately, no further booking is possible this year.
Refrigerated shipping September 2025
Tea
Article Number: 2010394
October 2026 Add to cart
Tea
Article Number: 2010394
October 2027 Add to cart
Tea (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010031
Category: sensory testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the DAkkS accreditation.
The proficiency testing price includes a sample set for one panel with a maximum of five test persons. For a higher number of test persons or additional panels, an additional sample set (including a maximum of five test persons) must be booked.
Refrigerated shipping April 2026 Add to cart
Tea (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010031
November 2026 Add to cart
Tea (simple descriptive testing)
Parameters (qualitative): Visual (Appearance), Olfactory (Smell/Odour), Gustatory (Taste/Flavour), Texture/Consistency/Mouthfeel
Article Number: 3010031
November 2027 Add to cart
Tear properties - Elmendorf method ISO 13937-1
Parameters (quantitative): Tear force "across warp" [N], Tear force "across weft" [N]
Article Number: 2010778
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature May 2026 Add to cart
Tear properties - Elmendorf method ISO 13937-1
Article Number: 2010778
May 2027 Add to cart
Tear properties - trouser shaped specimen ISO 13937-2
Parameters (quantitative): Tear force "across warp" [N], Tear force "across weft" [N]
Article Number: 2010800
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature May 2026 Add to cart
Tear properties - trouser shaped specimen ISO 13937-2
Article Number: 2010800
May 2027 Add to cart
Tear properties - wing shaped specimen ISO 13937-3
Parameters (quantitative): Tear force "across warp" [N], Tear force "across weft" [N]
Article Number: 2010801
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature May 2026 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.