Name Planned shipping method Start Date  
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 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
Total count in milk
Parameters (quantitative): aerobic total count [cfu/g]
Article Number: 2010612
Description: Possible methods for participation, e.g.: ISO 4833, §35 LMBG 00.00-88
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping May 2027 Add to cart
Tuna (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010004
Description: The catalogue price shown is a basic price without test persons. Your total price, including the required number of test persons, will be calculated individually when you select the test persons in your shopping cart.
Category: sensory testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature September 2026 Add to cart
Tuna (triangle test)
Parameters (qualitative): organoleptic testing - triangle test
Article Number: 3010004
June 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.
Frozen shipping 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.
Frozen shipping 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
Vegan food identification (ISO 23662)
Parameters (quantitative): identification of vegan foods
Article Number: 2011164
Category: immunological, molecular biological and microbiological testing food and feed vegan and vegetarian substitutes
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping October 2026 Add to cart
Vegan food identification (ISO 23662)
Article Number: 2011164
October 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.
Frozen shipping 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.
Frozen shipping May 2027 Add to cart
Vitamins in edible oils
Parameters (quantitative): retinol (vitamin A) as all-E-retinol [µg/100 g], total vitamin D [µg/100 g], α-tocopherol (vitamin E) [mg/100 g], vitamin K1 [µg/100 g]
Article Number: 2011362
Category: chemical-physical testing food and feed fats, oils and oilseeds
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Refrigerated shipping September 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.