Name Planned shipping method Start Date  
AMF anhydrous milk fat
Parameters (quantitative): water content [g/100g], alkalinity [mg/kg], free fatty acids [g/100g], peroxide value [meq.O2/kg], total β-carotene [mg/kg], butyric acid methyl ester [g/100g]
Article Number: 2010091
Description: AMF is a product which is primarily used in industry. Negligence in the production can create features which are undesired, e.g. a high peroxide value.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
TNP
Refrigerated shipping April 2025 Add to cart
AMF anhydrous milk fat
Article Number: 2010091
April 2026 Add to cart
Butter
Parameters (quantitative): solids non fat [g/100g], moisture content [g/100g], hardness [N], chloride 1 [mg/100g], cholesterol [mg/100g], pH value [-]
Article Number: 2010009
Description: The proficiency testing serves to ensure the compliance with legal regulation of minimum requirement of fat in butter.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping September 2025 Add to cart
Butter
Article Number: 2010009
September 2026 Add to cart
Butter (fatty acid profile)
Parameters (quantitative): butyric acid [% / fat], caproic acid [% / fat], caprylic acid [% / fat], capric acid [% / fat], lauric acid [% / fat], myristic acid [% / fat], myristoleic acid [% / fat], myristelaidic acid [% / fat], palmicit acid [% / fat], palmitoleic acid [% / fat], palmitelaidic acid [% / fat], stearic acid [% / fat], linoleic acid [% / fat], linolenic acid [% / fat], gamma linolenic acid [% / fat], eicosatrienoic acid [% / fat], eicosatetraenoic acid [% / fat], eicosapentaenoic acid [% / fat]
Article Number: 2010382
Description: The fatty acid pattern gives an information about the composition of the fat and is an information about the used fat in regard to polyunsaturated fatty acids and saturated fatty acids.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2025 Add to cart
Butter (fatty acid profile)
Article Number: 2010382
September 2026 Add to cart
Characteristic microorganisms yoghurt
Parameters (quantitative): Lactobacillus bulgaricus [cfu/g], Streptococcus thermophilus [cfu/g]
Article Number: 2010317
Category: immunological, molecular biological and microbiological testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping May 2025 Add to cart
Characteristic microorganisms yoghurt
Article Number: 2010317
May 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
Milk (triangle test, flavour taint)
Parameters (qualitative): organoleptic testing - triangle test flavour
Article Number: 3010013
April 2026 Add to cart
Protein powder - amino acid profile
Parameters (quantitative): alanine (Ala) [g/100 g proteine], arginine (Arg) [g/100 g proteine], asparagine (Asn) [g/100 g proteine], aspartate (Asp) [g/100 g proteine], cysteine (Cys) [g/100 g proteine], glutamine (Gln) [g/100 g proteine], glutamate (Glu) [g/100 g proteine], glycine (Gly) [g/100 g proteine], histidine (His) [g/100 g proteine], isoleucine (Ile) [g/100 g proteine], leucine (Leu) [g/100 g proteine], lysine (Lys) [g/100 g proteine], methionine (Met) [g/100 g proteine], phenylalanine (Phe) [g/100 g proteine], proline (Pro) [g/100 g proteine], serine (Ser) [g/100 g proteine], Threonine (Thr) [g/100 g proteine], tryptophan (Trp) [g/100 g proteine], tyrosine (Tyr) [g/100 g proteine], valine (Val) [g/100 g proteine]
Article Number: 2010453
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Refrigerated shipping June 2025 Add to cart
Protein powder - amino acid profile
Article Number: 2010453
June 2026 Add to cart
Pudding - dessert
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], lactose (monohydrate) [g/100g], pH value [-]
Article Number: 2010087
Description: Additives for stabilisation in dessert can lead to incorrect interpretation in the analyse of fat, dry matter and protein, e.g. in the IR-spectroscopy. This proficiency testing is suitable to demonstrate your competence.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping November 2025 Add to cart
Pudding - dessert
Article Number: 2010087
November 2026 Add to cart
Sour cream - Crème fraiche
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], pH value [-]
Article Number: 2010170
Description: The testing of sour creme and crème fraîche differs from the testing of other milk products concerning the sample preparation. The proficiency testing is suitable for those laboratories which want to show their compenetce in the testing of this products.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping December 2025 Add to cart
Sour cream - Crème fraiche
Article Number: 2010170
December 2026 Add to cart
Whey
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], lactose (monohydrate) [g/100g], non-protein nitrogen (NPN) x 6.38 [g/100g], ash [g/100g], phosphorus (P) [g/100g], potassium (K) [g/100g], calcium (Ca) [g/100g]
Article Number: 2010049
Description: Whey is a product which derives from the cheese production. Especially the whey protein is of high nutritional value. To show the comparability of the chemical-physical testing of whey this proficiency testing is suitable.
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping February 2025 Add to cart
Whey
Article Number: 2010049
February 2026 Add to cart
Whey concentrate
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], lactose (monohydrate) [g/100g], ash [g/100g]
Article Number: 2010852
Category: chemical-physical testing food and feed milk products (other)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Frozen shipping July 2025 Add to cart
Whey concentrate
Article Number: 2010852
July 2026 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.