Proficiency testing catalogue
| 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 | ||
|
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 | |
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.
Under certain circumstances, this parameter may not be available in the proficiency test.