Name Planned shipping method Start Date  
Inhibitors in milk
Parameters (quantitative): Tetracycline (CAS 60-54-8) [µg/kg], Amoxicillin (CAS 26787-78-0) [µg/kg], Ceftriaxone (CAS 73384-59-5) [µg/kg], Ciprofloxacin (CAS 85721-33-1) [µg/kg]
Article Number: 2010951
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 December 2027 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.
Refrigerated shipping April 2026 Add to cart
Mayonnaise
Article Number: 2010415
April 2027 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.
Refrigerated shipping November 2026 Add to cart
MCPD and glycidol in edible oil
Article Number: 2010500
November 2027 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.
Is currently underway. Can still be booked.
New proficiency testing
Refrigerated shipping December 2025 Add to cart
MCPD and glycidol in infant milk formula
Article Number: 2011283
September 2026 Add to cart
MCPD and glycidol in infant milk formula
Article Number: 2011283
September 2027 Add to cart
Melatonin in dietary supplements
Parameters (quantitative): melatonin (CAS 73-31-4) [mg/kg]
Article Number: 2011360
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature December 2026 Add to cart
Melatonin in dietary supplements
Article Number: 2011360
December 2027 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 and the DAkkS accreditation.
Shipping at room temperature August 2026 Add to cart
Metals in animal feed
Article Number: 2010351
August 2027 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.
Shipping at room temperature October 2026 Add to cart
Metals in cocoa and chocolate
Article Number: 2010337
October 2027 Add to cart
Metals in tobacco
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) [mg/kg], aluminium (Al) [mg/kg], nickel (Ni) [mg/kg]
Article Number: 2010498
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature August 2026 Add to cart
Metals in tobacco
Article Number: 2010498
August 2027 Add to cart
Microbial count by flow cytometry
Parameters (quantitative): number of living, bacteria cells [cells/ml]
Article Number: 2011340
Description: Determination of the number of living bacterial cells in liquid matrix using flow cytometry
Category: immunological, molecular biological and microbiological testing food and feed food matrices (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
New proficiency testing
Frozen shipping July 2026 Add to cart
Microbial count by flow cytometry
Article Number: 2011340
July 2027 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 2026 Add to cart
Milk (residues)
Article Number: 2010045
April 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.