Proficiency testing catalogue
Name | Planned shipping method | Start Date | ||
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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 | ||
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 | ||
yoghurt Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], pH value [-], total lactic acid [mg/100g] Article Number: 2010017 Description: The anaylsis of the value assessing parameters in yoghurt is requested in this proficiency testing round 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. Is currently underway. Can still be booked. |
Refrigerated shipping | November 2024 | Add to cart | |
Yoghurt Article Number: 2010017 |
November 2025 | Add to cart | ||
Yoghurt Article Number: 2010017 |
November 2026 | Add to cart |
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.