Name Planned shipping method Start Date  
Listeria vegetables qualitative
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010487
Description: Possible methods for participation, e.g.: ISO 11290-1, §64LFGB L00.00-32
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2025 Add to cart
Listeria vegetables qualitative
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010487
August 2026 Add to cart
Listeria vegetables quantitative
Parameters (quantitative): L. monocytogenes [cfu/g], aerobic total count [cfu/g]
Article Number: 2010489
Description: Possible methods for participation, e.g.: ISO 11290-2, §64 LFGB L00.00-22
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2025 Add to cart
Listeria vegetables quantitative
Article Number: 2010489
August 2026 Add to cart
Mayonnaise
Parameters (quantitative): total acid (pH 8.1) calculated as acetic acid [g/100 g], dry matter [g/100 g], total fat [g/100 g], cholesterol [mg/100 g], egg yolk content [g/100 g], sorbic acid [g/kg], benzoic acid [g/kg], sodium chloride [g/100 g], pH value [-]
Article Number: 2010415
Description: With the three PT-schemes mayonnaise, tomato ketchup and mustard we offer a high quality assurance program for the most popular sauces and basic ingredients for many further foodstuff throughout the world. The requested parameters are the most important value-determining attributes like the egg content in mayonnaise as well as technologically relevant parameters like preservatives.
Category: chemical-physical testing food and feed egg products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping April 2025 Add to cart
Mayonnaise
Article Number: 2010415
April 2026 Add to cart
MCPD and glycidol in edible oil
Parameters (quantitative): 3-MCPD (sum of 3-MCPD and 3-MCPD fatty acid esters) [µg/kg], glycidyl fatty acid esters, expressed as glycidol [µg/kg]
Article Number: 2010500
Category: chemical-physical testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is not included in the scope of the accreditation.
New parameter selection
Refrigerated shipping November 2025 Add to cart
MCPD and glycidol in edible oil
Article Number: 2010500
November 2026 Add to cart
MCPD and glycidol in infant milk formula
Parameters (quantitative): 3-MCPD (sum of 3-MCPD and 3-MCPD fatty acid esters) [µg/kg], glycidyl fatty acid esters, expressed as glycidol [µg/kg]
Article Number: 2011283
Category: chemical-physical testing food and feed infant formula
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping September 2025 Add to cart
MCPD and glycidol in infant milk formula
Article Number: 2011283
September 2026 Add to cart
Metals in animal feed
Parameters (quantitative): copper (Cu) [mg/kg], zinc (Zn) [mg/kg], iron (Fe) [mg/kg], calcium (Ca) [mg/kg], phosphorus (P) [mg/kg], potassium (K) [mg/kg], manganese (Mn) [mg/kg], magnesium (Mg) [mg/kg], sodium (Na) [mg/kg]
Article Number: 2010351
Description: Possible testing e.g. by ISO 6869
Category: chemical-physical testing food and feed animal feed
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Refrigerated shipping August 2025 Add to cart
Metals in animal feed
Article Number: 2010351
August 2026 Add to cart
Metals in cocoa and chocolate
Parameters (quantitative): lead (Pb) [mg/kg], cadmium (Cd) [mg/kg], arsenic (As) [mg/kg], copper (Cu) [mg/kg], zinc (Zn) [mg/kg], iron (Fe) [mg/kg], mercury (Hg) 1 [mg/kg], aluminium (Al) [mg/kg], nickel (Ni) [mg/kg]
Article Number: 2010337
Category: chemical-physical testing food and feed cocoa and chocolate
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2025 Add to cart
Metals in cocoa and chocolate
Article Number: 2010337
October 2026 Add to cart
Metals in tobacco
Parameters (quantitative): lead (Pb), cadmium (Cd), arsenic (As), copper (Cu), zinc (Zn), iron (Fe), mercury (Hg), aluminium (Al), nickel (Ni)
Article Number: 2010498
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping December 2024 Add to cart
Metals in tobacco
Article Number: 2010498
August 2025 Add to cart
Metals in tobacco
Article Number: 2010498
August 2026 Add to cart
Milk (residues)
Parameters (quantitative): Chloramphenicol (CAS 56-75-7) [µg/kg], PCB 101 (CAS 37680-73-2) [(mg/kg) fat], trichlormethane (CAS 67-66-3) [mg/kg], aflatoxin M1 [µg/kg], Streptomycin (CAS 57-92-1) [µg/l], tetracycline (CAS 60-54-8) [µg/kg]
Article Number: 2010045
Description: The reliable proof of residues in milk is of gaining increasing importance in terms of consumer protection. Regarding this the qualitative determination as well as the quantitative analysis is of high importance. Both is covered by this proficiency testing: A qualitative evaluation for all residues has to be carried out. For those parameters where a detectable limit of residues is identified the quantitative analysis is requested. The performance evaluation is done for the quantitative testing.
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is not included in the scope of the accreditation.
Frozen shipping April 2025 Add to cart
Milk (residues)
Article Number: 2010045
April 2026 Add to cart
Milk (triangle test, flavour taint)
Parameters (qualitative): organoleptic testing - triangle test flavour
Article Number: 3010013
Category: sensory testing food and feed milk products (other)
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.