Name Planned shipping method Start Date  
C.albicans O W-emulsion
Parameters (qualitative): C.albicans
Article Number: 2010360
Description: Possible methods for participation, e.g.: ISO 18416, Pharm.Eur. 5.1.3
Category: immunological, molecular biological and microbiological testing consumer goods and packaging cosmetic
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping October 2026 Add to cart
Cannabinoids in hemp seeds
Parameters (quantitative): Cannabidiol (CBD) (CAS 13956-29-1) [mg/kg], Delta-9-tetrahydrocannabinol (d9-THC) (CAS 1972-08-03) [mg/kg]
Article Number: 2010941
Category: chemical-physical testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping June 2025 Add to cart
Cannabinoids in hemp seeds
Article Number: 2010941
June 2026 Add to cart
canola (GMO)
Parameters (qualitative): Detection of screening elements T-NOS, CTP2-CP4EPSPS and P-FMV
Parameters (quantitative): relative amount 73496 [%], relative amount GT73 [%]
Article Number: 2010145
Category: immunological, molecular biological and microbiological testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping December 2024 Add to cart
Canola (GMO)
Parameters (qualitative): Detection of screening elements T-NOS, CTP2-CP4EPSPS and P-FMV
Article Number: 2010145
December 2025 Add to cart
Canola (GMO)
Parameters (qualitative): Detection of screening elements T-NOS, CTP2-CP4EPSPS and P-FMV
Article Number: 2010145
December 2026 Add to cart
Carbon black content (TGA) ISO 11358
Parameters (quantitative): black carbon content [%]
Article Number: 2010759
Category: chemical-physical testing material testing geosynthetics
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2025 Add to cart
Carbon black content (TGA) ISO 11358
Article Number: 2010759
April 2026 Add to cart
Carbon black content calcination and pyrolysis ISO 6964
Parameters (quantitative): Carbon black content (all methods)) [%], Carbon black content (A) [%], Carbon black content (B1) [%], Carbon black content (B2) [%], Carbon black content (C) [%]
Article Number: 2010303
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 2025 Add to cart
Carbon black content calcination and pyrolysis ISO 6964
Article Number: 2010303
March 2026 Add to cart
Carbonated soft drinks - quinine
Parameters (quantitative): quinine (CAS 130-95-0) [mg/l]
Article Number: 2010617
Category: chemical-physical testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Carbonated soft drinks - quinine
Article Number: 2010617
May 2026 Add to cart
care products
Parameters (quantitative): Methyl 4-hydroxybenzoate calculated as acid [g/100g], Ethyl 4-hydroxybenzoate calculated as acid [g/100g], Propyl 4-hydroxybenzoate calculated as acid [g/100g], n-Butyl 4-hydroxybenzoate calculated as acid [g/100g], 2-phenoxyethanol [g/100g], benzoic acid [g/100g], sorbic acid [g/100g], methylisothiazolinone [mg/kg], Isobutyl 4-hydroxybenzoate calculated as acid [g/100g]
Article Number: 2010206
Description: Possible testing e.g. by Directive 96/45/EC, Directive 95/32/EC, § 35 LMBG K 84.00-24 (EG). Other names of the parameters are e.g. Methyl 4-hydroxybenzoate, 4-hydroxybenzoic acid methyl ester, p-hydroxybenzoic acid methyl ester, PHB methyl ester, methyl p-hydroxybenzoate, Nipagin M, E 218, 99-76-3, ethyl 4-hydroxybenzoate, 4-hydroxybenzoic acid ethyl ester, ethyl p-hydroxybenzoate, PHB ethyl ester, E214, Nipagin A, 120-47-8, propyl 4-hydroxybenzoate, 4-hydroxybenzoic acid propyl ester, p-hydroxybenzoic acid propyl ester, PHB propyl ester, propyl p-hydroxybenzoate, E216, 94-13-3, n-butyl 4-hydroxybenzoate, isobutyl 4-hydroxybenzoate, 4-hydroxybenzoic acid butyl ester, p-hydroxybenzoic acid butyl ester, PHB-butyl ester, butyl p-hydroxybenzoate, 94-26-8, 2-phenoxyethanol, 2-phenoxy-1-ethanol, phenylcellosolve, phenylglycol, monophenylglycol, ethylene glycol monophenyl ether, 122-99-6, 2-methyl-2H-isothiazol-3-one, 2-methyl-4-isothiazolin-3-one, 2-methylisothiazolin-3(2H)-one, MI, MIT, Neolone™ 950, 2682-20-4, (2E,4E)-hexa-2,4-dienoic acid, hexadienoic acid, (E,E)-hexa-2,4-dienoic acid, E 200, 110-44-1, benzenecarboxylic acid, E 210, phenylformic acid, phenylmethanoic acid, benzenecarboxylic acid, phenylcarboxylic acid, carboxybenzene, monophenylmethanoic acid, 65-85-0.
Category: chemical-physical testing consumer goods and packaging cosmetic
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Unfortunately, no further booking is possible this year.
Refrigerated shipping September 2024
Care products
Article Number: 2010206
October 2025 Add to cart
Care products
Article Number: 2010206
October 2026 Add to cart
Carrot juice
Parameters (quantitative): relative density (20 °C/20 °C) [-], pH value [-], total acid (pH 8.1) calculated as tartaric acid [g/l], sucrose (anhydrous) [g/l], fructose (anhydrous) [g/l], glucose (anhydrous) [g/l], nitrate [mg/l], total β-carotene [mg/100 g], α-carotene [mg/100 g], total carotenes [mg/100 g], total sugar (anhydrous) [g/l]
Article Number: 2010402
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 October 2025 Add to cart
Carrot juice
Article Number: 2010402
October 2026 Add to cart
Cellular plastics - Apparent density ISO 845
Parameters (quantitative): Apparent density [kg/m³]
Article Number: 2010848
Category: chemical-physical testing material testing cellular Plastics
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2025 Add to cart
Cellular plastics - Apparent density ISO 845
Article Number: 2010848
April 2026 Add to cart
Cellular plastics - Burning rate FMVSS 302 and DBL 5307
Parameters (quantitative): Burning rate [mm/min]
Article Number: 2010874
Category: chemical-physical testing material testing cellular Plastics
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2025 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.