Name Planned shipping method Start Date  
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 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
Gross Leaks Detection - Bubble Test ASTM F2096
Article Number: 2011413
Category: physical mechanical testing material testing films
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature March 2026 Add to cart
Gross Leaks Detection - Bubble Test ASTM F2096
Article Number: 2011413
March 2027 Add to cart
Hard cheese
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], sodium chloride [g/100g]
Article Number: 2010031
Description: To address the differences between the matrixes of hard cheese and semi-hard cheese we offer this proficiency testing.
Category: chemical-physical testing food and feed cheese
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping April 2026 Add to cart
Hard cheese
Article Number: 2010031
April 2027 Add to cart
Hardened concrete - Density and Compressive strength EN 12390-7 und -3
Parameters (quantitative): Density [kg/m³], Compressive strength [MPa]
Article Number: 2010288
Category: physical mechanical testing material testing hardened concrete
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
completed testing items 150 x 150 x 150 mm
Unfortunately, no further booking is possible this year.
Shipping at room temperature December 2025
Hardened concrete - Density and Compressive strength EN 12390-7 und -3
Article Number: 2010288
December 2026 Add to cart
Hardened concrete - Density and Compressive strength EN 12390-7 und -3
Article Number: 2010288
December 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.