Name Planned shipping method Start Date  
Dried fruits
Parameters (quantitative): sulphur dioxide (SO2) [mg/kg], moisture content [g/100 g], total fat [g/100 g], glucose (anhydrous) 1 [g/100 g], fructose (anhydrous) 1 [g/100 g], sucrose (anhydrous) 1 [g/100 g], total sugar (anhydrous) 1 [g/100 g], fibre 1 [g/100 g]
Article Number: 2010386
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Frozen shipping December 2025 Add to cart
Dried fruits
Article Number: 2010386
December 2026 Add to cart
Dried fruits
Article Number: 2010386
December 2027 Add to cart
Drinking water - 1,2,4-triazole
Parameters (quantitative): 1,2,4-triazole (CAS 288-88-0) [µg/l]
Article Number: 2011380
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping November 2026 Add to cart
Drinking water - 1,2,4-triazole
Article Number: 2011380
November 2027 Add to cart
Drinking water - contaminants
Parameters (quantitative): bisphenol A (CAS 80-05-7), epichlorhydrin (CAS 106-89-8), acrylamide (CAS 79-06-1)
Article Number: 2011381
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping November 2026 Add to cart
Drinking water - contaminants
Article Number: 2011381
November 2027 Add to cart
Drinking water - pH, conductivity (ISO 10523, ISO 7888)
Parameters (quantitative): pH value [-], electrical conductivity
Article Number: 2011379
Category: chemical-physical testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature December 2026 Add to cart
Drinking water - pH, conductivity (ISO 10523, ISO 7888)
Article Number: 2011379
December 2027 Add to cart
Drinking water (TON, TFN) (minimum number of participants: 3 assessors)
Parameters (quantitative): threshold odour number (TON), threshold flavour number (TFN)
Article Number: 3010008
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 testing price includes a sample set for three test persons. If the number of test persons exceeds this, an additional sample set must be booked for each additional test person.
Shipping at room temperature March 2026 Add to cart
Drinking water (TON, TFN) (minimum number of participants: 3 assessors)
Article Number: 3010008
March 2027 Add to cart
Dry bulk density of hardened mortar EN 1015-10
Parameters (quantitative): dry bulk density [kg/m3]
Article Number: 2010276
Category: chemical-physical testing material testing mortar for masonry
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
preperation of the testing items by the participants
Shipping at room temperature December 2025 Add to cart
Dry bulk density of hardened mortar EN 1015-10
Article Number: 2010276
December 2026 Add to cart
Dry bulk density of hardened mortar EN 1015-10
Article Number: 2010276
December 2027 Add to cart
Dry potato product
Parameters (quantitative): moisture content [g/100 g], total fat [g/100 g], saturated fatty acids [g/100 g], crude protein (N x 6,25) [g/100 g], ash [g/100 g], carbohydrates [g/100 g], starch [g/100 g], sucrose (anhydrous) [g/100 g], fibre [g/100 g], sodium (Na) [g/100 g]
Article Number: 2010388
Category: chemical-physical testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature December 2026 Add to cart
Dry potato product
Article Number: 2010388
December 2027 Add to cart
DSC-Analysis - glass transition temperature ISO 11357-2 (rubber)
Parameters (quantitative): Onset temperature (Tei,g) [°C], Midpoint temperature (T1/2,g) [°C], Point of inflection temperature (Ti,g) [°C], Glass transition temperature (Ta,g) [°C]
Article Number: 2010746
Category: chemical-physical 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
DSC-Analysis - glass transition temperature ISO 11357-2 (rubber)
Article Number: 2010746
May 2027 Add to cart
DSC-analysis - Glass transition temperature ISO 11357-2 and ASTM D3418
Parameters (quantitative): Onset temperature [°C], Midpoint temperature [°C], Point of inflection temperature [°C], Glass transition temperature [°C]
Article Number: 2010854
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 March 2026 Add to cart
DSC-analysis - Glass transition temperature ISO 11357-2 and ASTM D3418
Article Number: 2010854
March 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.