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.
New proficiency testing
Frozen shipping December 2025 Add to cart
Tattoo ink- N-nitrosamine
Article Number: 2011271
December 2026 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.
Refrigerated shipping October 2025 Add to cart
Tea
Article Number: 2010394
October 2026 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.
Refrigerated shipping November 2025 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
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 2025 Add to cart
Tear properties - Elmendorf method ISO 13937-1
Article Number: 2010778
May 2026 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 2025 Add to cart
Tear properties - trouser shaped specimen ISO 13937-2
Article Number: 2010800
May 2026 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 2025 Add to cart
Tear properties - wing shaped specimen ISO 13937-3
Article Number: 2010801
May 2026 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.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Tear resistance - Elemdorf method ISO 6383-2, ASTM D1922
Article Number: 2010838
March 2026 Add to cart
Tear resistance - Trouser tear method ISO 6383-1
Article Number: 2010878
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 (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 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 2025 Add to cart
Tear resistance nonwovens ISO 9073-4
Article Number: 2010070
May 2026 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 2025 Add to cart
Tear strength - Angle test piece (with nick) ISO 34-1
Article Number: 2010760
May 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.