EQA Scheme
Contact
Vitamins - Vitamin C (296)
Samples:
2 samples of 0.5 ml
Sample properties:
Lyophilised plasma
Price Per Test:
Price upon request
Dates:
Registration deadline:
Sample shipment:
Closing Date:
| Jan. (1) | May (3) | July (4) | Oct. (6) |
|---|---|---|---|
| 14.11.2025 | 27.02.2026 | 24.04.2026 | 07.08.2026 |
| 13.01.2026 | 28.04.2026 | 23.06.2026 | 06.10.2026 |
| 30.01.2026 | 15.05.2026 | 10.07.2026 | 23.10.2026 |
Shipping Information:
Shipping at ambient temperature
Parameters:
Ascorbic acid (Vitamin C)
Certificate Validity:
12 months
Safety Note:
Process as patient sample material
EQAS Expert:
Dr. med. Christoph Niederau
MVZ Labor Dortmund Leopoldstraße GmbH
Leopoldstraße 10
44147 Dortmund
+49 231 860 27 0
christoph.niederau@labor-dortmund.de
Prof. Dr. rer. nat. Ingo Schellenberg
INSTAND e.V.
Ubierstraße 20
40223 Düsseldorf
+49 211-1592 13 120
schellenberg@instand-ev.de