Currently set filters:

  • Type of Testing: Chemisch-physikalisch
Name Planned shipping method Start Date  
Tea
Parameters (quantitative): dry matter [g/100 g], ash [g/100 g dry matter], water soluble ash [g/100 g dry matter], water soluble extract [g/100 g dry matter], caffeine [g/100 g dry matter], theobromine [mg/100 g dry matter], theophylline [mg/100 g dry matter], acid-insoluble ash [g/100 g dry matter]
Article Number: 2010394
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 October 2027 Add to cart
Tomato juice
Parameters (quantitative): total ergosterol [mg/l]
Article Number: 2010154
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 November 2026 Add to cart
Tomato juice
Article Number: 2010154
November 2027 Add to cart
Tomato ketchup
Parameters (quantitative): pH value [-], total acid (pH 8.1) calculated as acetic acid [g/100 g], citric acid (anhydrous) [g/100 g], sodium chloride [g/100 g], glucose (anhydrous) [g/100 g], fructose (anhydrous) [g/100 g], soluble solids [g/100 g], dry matter [g/100 g], sorbic acid [g/kg], benzoic acid [g/kg], sucrose (anhydrous) 1 [g/100 g], total sugar (anhydrous) 1 [g/100 g]
Article Number: 2010390
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 fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2026 Add to cart
Tomato ketchup
Article Number: 2010390
July 2027 Add to cart
UHT milk (lactose free)
Parameters (quantitative): lactose (monohydrate) - enzymatic [g/100g], lactose (monohydrate) - chromatographic [g/100g]
Article Number: 2010107
Description: Lactose free products need to have a lactose content < 0.1% lactose. To verify that one can determine lactose contents < 0.1 % is the scope of this proficiency testing.
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Frozen shipping May 2026 Add to cart
UHT milk (lactose free)
Article Number: 2010107
May 2027 Add to cart
UHT milk 1
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], lactose (monohydrate) [g/100g], freezing point [m°C], density [g/ml]
Article Number: 2010007
Description: The anaylsis of the value assessing parameters in UHTmilk is requested in this proficiency testing round
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Unfortunately, no further booking is possible this year.
Frozen shipping March 2026
UHT milk 1
Article Number: 2010007
April 2027 Add to cart
UHT milk 2
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], lactose (monohydrate) [g/100g], freezing point [m°C], density [g/ml], aw value [-]
Article Number: 2010366
Description: The anaylsis of the value assessing parameters in UHTmilk is requested in this proficiency testing round
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping August 2026 Add to cart
UHT milk 2
Article Number: 2010366
September 2027 Add to cart
Vegetable chips
Parameters (quantitative): total fat [g/100 g], crude protein (N x 6,25) [g/100 g], dry matter [g/100 g], ash [g/100 g], sodium chloride [g/100 g], acrylamide (CAS 79-06-1) [µg/kg]
Article Number: 2011086
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.
Shipping at room temperature May 2027 Add to cart
Vegetarian bread spread
Parameters (quantitative): total fat [g/100 g], crude protein (N x 6,25) [g/100 g], dry matter [g/100 g], sodium chloride [g/100 g], ash [g/100 g], pH value [-]
Article Number: 2010343
Description: For example, the samples in this PT are a plant-based bread spread.
Category: chemical-physical testing food and feed vegan and vegetarian substitutes
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature December 2026 Add to cart
Vegetarian bread spread
Article Number: 2010343
December 2027 Add to cart
Vegetarian sausage substitute
Parameters (quantitative): total fat [g/100 g], crude protein (N x 6,25) [g/100 g], dry matter [g/100 g], sodium chloride [g/100 g], ash [g/100 g], fibre [g/100 g], pH value 1 [-]
Article Number: 2010712
Description: The samples in this PT are a plant-based sausage substitute and a meat substitute.
Category: chemical-physical testing food and feed vegan and vegetarian substitutes
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Frozen shipping May 2026 Add to cart
Vegetarian sausage substitute
Article Number: 2010712
May 2027 Add to cart
Visual determination of insects in flour
Parameters (qualitative): qualitative detection of insects [-]
Parameters (quantitative): quant. determination of insect residues [% (w/w)], number of whole insects [number/kg]
Article Number: 2011217
Description: This proficiency test may contain various insect species that are stock pests, e.g. Sitophilus granarius, Ephestia kuehniella, Tenebrio molitor.
Category: chemical-physical testing food and feed cereals, cereal products
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping September 2026 Add to cart
Visual determination of insects in flour
Parameters (qualitative): qualitative detection of insects [-]
Article Number: 2011217
September 2027 Add to cart
Vitamin solution
Parameters (quantitative): thiamine (vitamin B1) as thiamine chloride [mg/100 ml], riboflavine (vitamin B2) as total vitamin B2 [mg/100 ml], niacin (vitamin B3) [mg/100 ml], pantothenic acid (vitamin B5) [mg/100 ml], pyridoxine (vitamin B6) [mg/100 ml], folic acid (vitamin B11) [µg/100 ml], cyanocobalamin (vitamin B12) [µg/100 ml], L-ascorbic acid [mg/100 ml], α-tocopherol (vitamin E) [mg/100 ml], riboflavin [mg/100 ml], flavin mononucleotide [mg/100 ml], total ascorbic acid (vitamin C) [mg/100 ml], dehydroascorbic acid [mg/100 ml]
Article Number: 2010021
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.
Unfortunately, no further booking is possible this year.
Frozen shipping May 2026
Vitamin solution
Article Number: 2010021
May 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.