Proficiency testing catalogue
Name | Planned shipping method | Start Date | ||
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Coefficient of linear thermal expansion (CTLE) ISO 11359 Parameters (quantitative): Mean CLTE (25-100°C) [10-6 1/k], Mean CLTE (25-80°C) [10-6 1/k], Differential CLTE (100°C) [10-6 1/k], Differential CLTE (80°C) [10-6 1/k] Article Number: 2010758 Category: chemical-physical testing material testing plastics (thermoplastics) Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation. |
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April 2026 | Add to cart | |
Coefficients of friction ISO 8295 Parameters (quantitative): Static friction [-], Kinetic friction [-] Article Number: 2010780 Category: physical mechanical testing material testing films Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation. |
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March 2026 | Add to cart | |
Coffee Parameters (quantitative): water content [g/100 g], ash [g/100 g], pH value [-], acid content (acidity) at pH 6,00 [mmol/kg], acid content (acidity) at pH 7,00 [mmol/kg], acid content (acidity) at pH 8,00 [mmol/kg], water soluble extract [g/100 g], caffeine [g/100 g], acrylamide (CAS 79-06-1) [µg/kg], chlorogenic acid 1 [g/100 g] Article Number: 2010392 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. |
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October 2025 | Add to cart | |
Coffee Article Number: 2010392 |
October 2026 | Add to cart | ||
Coffee infusion (triangle test, flavour taint) Parameters (qualitative): organoleptic testing - triangle test flavour Article Number: 3010016 Category: sensory testing food and feed non-alcoholic beverages Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation. The proficiency test price includes one test person; an additional sample set must be booked for each additional test person. |
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September 2025 | Add to cart | |
Coffee infusion (triangle test, flavour taint) Parameters (qualitative): organoleptic testing - triangle test flavour Article Number: 3010016 |
July 2026 | Add to cart | ||
Coliform bacteria milk powder Parameters (quantitative): Coliforms [cfu/g], aerobic total count [cfu/g] Article Number: 2010160 Description: Possible methods for participation, e.g.: ISO 4832, ISO 4833, §64 LFGB L00.00-88 Category: immunological, molecular biological and microbiological testing food and feed milk powder Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation. risk group 1 |
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May 2026 | Add to cart | |
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 |
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November 2025 | Add to cart | |
Coliforme bacteria ground meat Article Number: 2010936 |
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 |
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September 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. |
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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. The proficiency test price includes one test person; an additional sample set must be booked for each additional test person. |
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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. |
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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. |
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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. |
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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. |
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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. |
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October 2025 | Add to cart |
Under certain circumstances, this parameter may not be available in the proficiency test.