Name Planned shipping method Start Date  
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 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.
Shipping at room temperature 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
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
Tear properties - wing shaped specimen ISO 13937-3
Article Number: 2010801
May 2027 Add to cart
Tear resistance - Elemdorf method ISO 6383-2, ASTM D1922
Parameters (quantitative): Tear strength [mN]
Article Number: 2010838
Category: physical mechanical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2026 Add to cart
Tear resistance - Elemdorf method ISO 6383-2, ASTM D1922
Article Number: 2010838
March 2027 Add to cart
Tear Resistance (Graves Tear) ASTM D1004
Article Number: 2010903
Category: physical mechanical testing material testing geosynthetics
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2026 Add to cart
Tear Resistance (Graves Tear) ASTM D1004
Article Number: 2010903
March 2027 Add to cart
Tear resistance nonwovens ISO 9073-4
Parameters (quantitative): Tear force [N]
Article Number: 2010070
Category: physical mechanical testing material testing textiles
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Tear resistance nonwovens ISO 9073-4
Article Number: 2010070
May 2027 Add to cart
Tear strength - Angle test piece (with nick) ISO 34-1
Parameters (quantitative): Tear Strength [kN/m]
Article Number: 2010760
Category: physical mechanical testing material testing rubber & TPE
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 strength - Angle test piece (with nick) ISO 34-1
Article Number: 2010760
May 2027 Add to cart
Tear strength - Angle test piece (without nick) ISO 34-1
Parameters (quantitative): Tear Strength [kN/m]
Article Number: 2010761
Category: physical mechanical testing material testing rubber & TPE
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 strength - Angle test piece (without nick) ISO 34-1
Article Number: 2010761
May 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.