Name Planned shipping method Start Date  
Fruit preparation
Parameters (quantitative): brix value [°brix], pH value [-], total acid (pH 8.1) calculated as citric acid (anhydrous) [g/kg], L-malic acid [g/kg], ash [g/kg], phosphorus (P) [g/kg], potassium (K) [mg/100 g]
Article Number: 2010053
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.
Frozen shipping September 2026 Add to cart
Fruit preparation
Article Number: 2010053
September 2027 Add to cart
Full-notch creep test (FNCT) ISO 16770
Parameters (quantitative): Time to failure [h]
Article Number: 2010004
Description: Production of test specimen A - Test parameters: Dehyton® PL, 5.0 or 4.0 MPa
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2026 Add to cart
Full-notch creep test (FNCT) ISO 16770
Article Number: 2010004
April 2027 Add to cart
Gas transmission rate ISO 15105-2
Parameters (quantitative): oxygen-transmission rate [cm³/(m²*d*bar)]
Article Number: 2010844
Category: chemical-physical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2026 Add to cart
Gas transmission rate ISO 15105-2
Article Number: 2010844
March 2027 Add to cart
Glass - Release of lead and cadmium (ASTM C927-80)
Parameters (quantitative): lead (Pb) [mg/l], cadmium (Cd) [mg/l]
Article Number: 2011356
Category: chemical-physical testing consumer goods and packaging kitchen utensils and dishes
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Shipping at room temperature October 2026 Add to cart
Glass - Release of lead and cadmium (ASTM C927-80)
Article Number: 2011356
October 2027 Add to cart
Glow wire ignitability temperature (GWIT) IEC 60695-2-13
Parameters (quantitative): Glow wire ignition temperature [°C]
Article Number: 2010864
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
Glow wire ignitability temperature (GWIT) IEC 60695-2-13
Article Number: 2010864
March 2027 Add to cart
Glutamic acid in tomato paste
Parameters (quantitative): L-glutamic acid [mg/kg]
Article Number: 2011366
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 proficiency testing
Refrigerated shipping November 2026 Add to cart
Glutamic acid in tomato paste
Article Number: 2011366
November 2027 Add to cart
Gluten
Parameters (quantitative): gluten [mg/kg]
Article Number: 2010429
Category: immunological, molecular biological and microbiological testing food and feed cereals, cereal products
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature November 2026 Add to cart
Gluten
Article Number: 2010429
November 2027 Add to cart
GMOs in honey
Parameters (quantitative): detection of screening elements P-35S, T-NOS and P-FMV
Article Number: 2011010
Description: In different countries GMOs are used more and more in agriculture. This leads to GMO pollen in honey. With this proficiency testing the comparability of the determination of GMO pollen in honey can be tested.
Category: immunological, molecular biological and microbiological testing food and feed honey and beeswax
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature July 2026 Add to cart
GMOs in honey
Article Number: 2011010
July 2027 Add to cart
Grape juice
Parameters (quantitative): sulphur dioxide (SO2) [mg/l]
Article Number: 2010055
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.
Frozen shipping June 2026 Add to cart
Grape juice
Article Number: 2010055
June 2027 Add to cart
Green coffee
Parameters (quantitative): percent mass loss [%]
Article Number: 2010915
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.
Shipping at room temperature May 2026 Add to cart
Green coffee
Article Number: 2010915
May 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.