Name Planned shipping method Start Date  
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
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 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 2025 Add to cart
Dry potato product
Article Number: 2010388
December 2026 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 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 - Melting temperature and enthalpy ISO 11357-3 and ASTM D3418 (Mar.)
Parameters (quantitative): Melting peak temperature [°C], Enthalpy/Heat of fusion [J/g]
Article Number: 2010743
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 - Melting temperature and enthalpy ISO 11357-3 and ASTM D3418 (Oct.)
Parameters (quantitative): Melting peak temperature [°C], Enthalpy/Heat of fusion [J/g]
Article Number: 2010985
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 October 2025 Add to cart
DSC-analysis - Melting temperature and enthalpy ISO 11357-3 and ASTM D3418 (Oct.)
Article Number: 2010985
October 2026 Add to cart
DSC-analysis - Oxidation Induction time (OIT) ISO 11357-6 and ASTM D3895
Parameters (quantitative): Oxidation Induction Time [215°C [min], Oxidation Induction Time [220°C [min]
Article Number: 2010855
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 - specific heat capacity ISO 11357-4
Parameters (quantitative): specific heat capacity 80°C [J/(g*K)], specific heat capacity 120°C [J/(g*K)]
Article Number: 2010297
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2026 Add to cart
Dynamic stiffness EN 29052-1
Article Number: 2010286
Category: physical mechanical testing material testing thermal insulating material
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
completed testing items 200 mm x 200 mm
Shipping at room temperature December 2025 Add to cart
Dynamic stiffness EN 29052-1
Article Number: 2010286
December 2026 Add to cart
Dynamic-mechanical-Analysis (DMA) ISO 6721-5
Parameters (quantitative): Storage modulus E’ (+30°C) [MPa], Tan δ (+30°C) [-], Storage modulus E’ (+80°C) [MPa], Tan δ (+80°C) [-], Glass transition temperature [E'-Onset [°C], Glass transition temperature [E''-Peak [°C], Glass transition temperature [tan δ-Peak [°C]
Article Number: 2010757
Category: physical mechanical 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
E.coli cheese
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010111
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG L00.00-89
Category: immunological, molecular biological and microbiological testing food and feed cheese
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Unfortunately, no further booking is possible this year.
Frozen shipping July 2025
E.coli cheese
Article Number: 2010111
July 2026 Add to cart
E.coli egg products
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010532
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed egg products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping December 2025 Add to cart
E.coli egg products
Article Number: 2010532
December 2026 Add to cart
E.coli fruit juice
Parameters (quantitative): E.coli [cfu/g], aerobic total count [cfu/g]
Article Number: 2010097
Description: Possible methods for participation, e.g.: ISO 16649-2, §64 LFGB 00.00-132/2, ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
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
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.