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  • Type of Testing: Chemical-physical
Name Planned shipping method Start Date  
Chloride content in hardened concrete EN 14629
Parameters (quantitative): Chloride content [%]
Article Number: 2010205
Category: chemical-physical testing material testing hardened concrete
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature November 2025 Add to cart
Chloride content in hardened concrete EN 14629
Article Number: 2010205
November 2026 Add to cart
Chloride content in hardened concrete EN 14629
Article Number: 2010205
November 2027 Add to cart
Chloride content of cement EN 196-2
Parameters (quantitative): Chloride content [%]
Article Number: 2010266
Category: chemical-physical testing material testing cement
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature November 2025 Add to cart
Chloride content of cement EN 196-2
Article Number: 2010266
November 2026 Add to cart
Chloride content of cement EN 196-2
Article Number: 2010266
November 2027 Add to cart
Chocolate
Parameters (quantitative): total fat [g/100 g], milk fat [g/100 g], crude protein (N x 6,25) [g/100 g], water content [g/100 g], lactose (monohydrate) [g/100 g], sucrose (anhydrous) [g/100 g], theobromine [mg/100 g], caffeine [mg/100 g], dry matter [g/100 g], acrylamide (CAS 79-06-1) [µg/kg]
Article Number: 2010025
Category: chemical-physical testing food and feed cocoa and chocolate
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping February 2026 Add to cart
Chocolate
Article Number: 2010025
February 2027 Add to cart
Coating thickness - X-ray spectrometric method ISO 3497
Parameters (quantitative): Layer thickness Nickel [µm], Layer thickness Chrome [µm], Layer thickness Tin [µm], Layer thickness Silver [µm], Layer thickness Gold [µm], Layer thickness Zinc [µm]
Article Number: 2010371
Category: chemical-physical testing material testing metals
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2026 Add to cart
Coating thickness - X-ray spectrometric method ISO 3497
Article Number: 2010371
March 2027 Add to cart
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.
Shipping at room temperature April 2026 Add to cart
Coefficient of linear thermal expansion (CTLE) ISO 11359
Article Number: 2010758
April 2027 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.
Is currently underway. Can still be booked.
Shipping at room temperature October 2025 Add to cart
Coffee
Article Number: 2010392
October 2026 Add to cart
Coffee
Article Number: 2010392
October 2027 Add to cart
Cold testing - Test Ae IEC 60068-2-1
Article Number: 2011425
Category: chemical-physical testing material testing environmental testing
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature February 2026 Add to cart
Cold testing - Test Ae IEC 60068-2-1
Article Number: 2011425
February 2027 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 2026 Add to cart
Color measurement (background material) ISO 20471 (5.1)
Article Number: 2010106
May 2027 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 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.