Please note our new proficiency testing schemes.


Name Planned shipping method Start Date  
C.albicans O W-emulsion
Parameters: C.alibicans qualitative (3 samples O/W-emulsion)
Article Number: 2010360
Description: Possible methods for participation, e.g.: ISO 18416, Pharm.Eur. 5.1.3
Category: microbiological testing microbiology cosmetic
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping October 2025 Add to cart
Campylobacter spp. in poultry
Parameters: Campylobacter spp. qualitative (3 samples chicken meat)
Article Number: 2010146
Description: Possible methods for participation, e.g.: ISO 10272-1, LFGB L 00.00-107
Category: microbiological testing microbiology meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Is currently underway. Can still be booked.
Frozen shipping April 2024 Add to cart
Campylobacter spp. in poultry
Parameters: Campylobacter spp. qualitative (3 samples chicken meat)
Article Number: 2010146
Description: Possible methods for participation, e.g.: ISO 10272-1, LFGB L 00.00-107
Category: microbiological testing microbiology meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping May 2025 Add to cart
Campylobacter spp. milk
Parameters: Campylobacter spp. qualitative (3 samples milk)
Article Number: 2010089
Description: Possible methods for participation, e.g.: ISO 10272-1, LFGB L 00.00-107
Category: microbiological testing microbiology milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping May 2025 Add to cart
Cannabinoids in hemp seeds
Parameters: CAS 13956-29-1 Cannabidiol (CBD), total Delta-9-THC
Article Number: 2010941
Category: chemical-physical testing food and feed other food matrices
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping May 2024 Add to cart
Cannabinoids in hemp seeds
Parameters: CAS 13956-29-1 Cannabidiol (CBD), total Delta-9-THC
Article Number: 2010941
Category: chemical-physical testing food and feed other food matrices
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping June 2025 Add to cart
canola (GMO)
Parameters: qualitative detection of the screening elements T-NOS, CTP2-CP4EPSPS and P-FMV as well as the quantitative detection of the relative amount of transgene canola (construct or event specific methods possible)
Article Number: 2010145
Category: chemical-physical testing food and feed GMO
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Refrigerated shipping December 2024 Add to cart
canola (GMO)
Parameters: qualitative detection of the screening elements T-NOS, CTP2-CP4EPSPS and P-FMV as well as the quantitative detection of the relative amount of transgene canola (construct or event specific methods possible)
Article Number: 2010145
Category: chemical-physical testing food and feed GMO
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Refrigerated shipping December 2025 Add to cart
Carbon black content (muffle-furnace) ASTM D4218
Parameters: Black carbon content [%]
Article Number: 2010876
Category: chemical-physical testing material testing Geosynthetics
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2025 Add to cart
Carbon black content (TGA) ISO 11358
Parameters: 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 calcination and pyrolysis ISO 6964
Parameters: Carbon black content [%] with Method A Electrical tube furnace, method B1 Muffle furnace (conventional), method B2 Muffle furnace (microwave), method C Thermogravimetric analyzer (TGA)
Article Number: 2010303
Category: chemical-physical testing material testing Thermoplastics
Accreditation: This proficiency test is not included in the scope of the accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature March 2024 Add to cart
Carbon black content calcination and pyrolysis ISO 6964
Parameters: Carbon black content [%] with Method A Electrical tube furnace, method B1 Muffle furnace (conventional), method B2 Muffle furnace (microwave), method C Thermogravimetric analyzer (TGA)
Article Number: 2010303
Category: chemical-physical testing material testing Thermoplastics
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2025 Add to cart
carbonated soft drinks
Parameters: carbonation (CO2 content), actual alcohol strength, benzoic acid, sorbic acid, phosphoric acid as PO4 (2 samples non-alcoholic soda and 2 samples alcoholic soda (Ready-to-Drink))
Article Number: 2010323
Category: chemical-physical testing food and feed alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping May 2025 Add to cart
carbonated soft drinks - spirits
Parameters: quinine (CAS No 130-95-0) (1 sample non-alcoholic and 1 sample alcoholic)
Article Number: 2010617
Category: chemical-physical testing food and feed alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Frozen shipping April 2024 Add to cart
carbonated soft drinks - spirits
Parameters: quinine (CAS No 130-95-0) (1 sample non-alcoholic and 1 sample alcoholic)
Article Number: 2010617
Category: chemical-physical testing food and feed alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping May 2025 Add to cart
care products
Parameters: methylparaben, ethylparaben, propylparaben, n-butylparaben, phenoxyethanol, benzoic acid, sorbic acid, methylisothiazolinone, isobutylparaben
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.
Refrigerated shipping October 2024 Add to cart
care products
Parameters: methylparaben, ethylparaben, propylparaben, n-butylparaben, phenoxyethanol, benzoic acid, sorbic acid, methylisothiazolinone, isobutylparaben
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.
Refrigerated shipping October 2025 Add to cart
carrot juice
Parameters: relative density 20 °C / 20 °C, pH-value, titratable acid, sucrose, fructose, glucose, nitrate, ß-carotene, α-carotene, total carotene, total sugar (sum of glucose, fructose, sucrose)
Article Number: 2010402
Category: chemical-physical testing food and feed nonalcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2024 Add to cart
carrot juice
Parameters: relative density 20 °C / 20 °C, pH-value, titratable acid, sucrose, fructose, glucose, nitrate, ß-carotene, α-carotene, total carotene, total sugar (sum of glucose, fructose, sucrose)
Article Number: 2010402
Category: chemical-physical testing food and feed nonalcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2025 Add to cart
Cellular plastics - Tear Resistance ASTM D3574 F
Parameters: Tear strength [N/m]
Article Number: 2010048
Category: physical mechanical testing material testing Cellular Plastics
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2025 Add to cart