Name Planned shipping method Start Date  
Coliforme bacteria ground meat
Parameters (quantitative): Coliforms [cfu/g], aerobic total count [cfu/g]
Article Number: 2010936
Category: immunological, molecular biological and microbiological testing food and feed meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping August 2026 Add to cart
Coliforme bacteria mineral water and table water
Parameters (qualitative): Coliforme qualitative
Article Number: 2010134
Category: immunological, molecular biological and microbiological testing food and feed mineral water and table water
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping October 2025 Add to cart
Coliforme bacteria mineral water and table water
Parameters (qualitative): Coliforme qualitative
Article Number: 2010134
October 2026 Add to cart
Color measurement (background material) ISO 20471 (5.1)
Parameters (quantitative): chromaticy coordinate x [-], chromaticy coordinate y [-], luminance factor β [-]
Article Number: 2010106
Category: chemical-physical testing material testing protective clothing
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature May 2025 Add to cart
Color measurement (background material) ISO 20471 (5.1)
Article Number: 2010106
May 2026 Add to cart
Colour check (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010007
Category: sensory testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature March 2025 Add to cart
Colour check (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010007
April 2026 Add to cart
Colour fastness of dyed paper (EN 646)
Parameters (quantitative): colour fastness (dist. Water) [-], colour fastness (acetic acid 3%) [-], colour fastness (olive oil) [-], colour fastness (alkali salt solution) [-]
Article Number: 2010646
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.
Shipping at room temperature May 2025 Add to cart
Colour fastness of dyed paper (EN 646)
Article Number: 2010646
May 2026 Add to cart
Colour fastness of fluorescent whitened paper (EN 648)
Parameters (quantitative): colour fastness (dist. Water) [-], colour fastness (acetic acid 3%) [-], colour fastness (olive oil) [-], colour fastness (alkali salt solution) [-]
Article Number: 2010648
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.
Shipping at room temperature May 2025 Add to cart
Colour fastness of fluorescent whitened paper (EN 648)
Article Number: 2010648
May 2026 Add to cart
Colour fastness to bleaching - hypochlorite ISO 105-N01
Parameters (quantitative): change in color sample [grade]
Article Number: 2010633
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature October 2025 Add to cart
Colour fastness to bleaching - hypochlorite ISO 105-N01
Article Number: 2010633
October 2026 Add to cart
Colour fastness to bleaching - peroxide ISO 105-N02
Article Number: 2010917
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature October 2025 Add to cart
Colour fastness to bleaching - peroxide ISO 105-N02
Article Number: 2010917
October 2026 Add to cart
Colour Fastness to chlorinated water ISO 105-E03
Parameters (quantitative): Colour change sample [20 mg/l [grade], Colour change sample [50 mg/l [grade], Colour change sample [100 mg/l [grade]
Article Number: 2010229
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature October 2025 Add to cart
Colour Fastness to chlorinated water ISO 105-E03
Article Number: 2010229
October 2026 Add to cart
Colour fastness to cycles of rubbing ISO 11640
Parameters (quantitative): Change in colour dry [grade], Change in color wet [grade], Change in color perspiration [grade], Staining dry [grade], Staining wet [grade], Staining perspiration [grade]
Article Number: 2010713
Category: physical mechanical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2025 Add to cart
Colour fastness to cycles of rubbing ISO 11640
Article Number: 2010713
April 2026 Add to cart
Colour Fastness to dry cleaning ISO 105-D01
Parameters (quantitative): Change in color sample [grade], Staining of adjacent fabrics [grade]
Article Number: 2010835
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature October 2025 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.