On retentate - 2023

Proficiency testing

Home Proficiency testing Physico-chemistry - On retentate - 2023

Methods / Analytes

dry matter determined using any method, and total nitrogen determined using the Kjeldahl method or any alternative method


Number of samples

5 samples with varying amounts of:
- dry matter: 11 to 16 g/100 g
- total nitrogen: 9 to 16 g N/kg


Packaging

30 ml polyethylene screw-capped vials with airtight seals


Preservation

addition of Bronopol to the samples (final concentration: 0.02 %)


Dispatch

in insulated box with ice packs by express carrier


Storage in the laboratory

at 4 (± 2) °C


Validity of the samples

testing must be carried out within 7 days after the date of dispatch


Special conditions

International delivery by international carrier :

- In Europe: shipping time: 1 to 3 days depending on the consignee’s country and town

- Intercontinental delivery: shipping time is 1 to 4 days depending on the consignee’s country and town, and time before dispatch may take up to 7 days, the time necessary to obtain customs documents

On condition for the dispatch to certain destinations, please contact us concerning this point.


Calendar of dispatch :

 

Sample dispatch 2023/02/13 2023/10/16
Return of results to ACTALIA Cecalait 2023/02/22 2023/10/25

Subscription at least 10 days before each dispatch

Rates

Members Non-members
Registration fees per shipment 64.2 € 96.27 €
Participation fee per tested method 64.2 € 96.27 €


Special conditions :

  • For groups from 10 to 24 participating laboratories: 10 % discount,
  • For groups from 25 participating laboratories: 15 % discount

Payment conditions :

within 1 month of receiving invoice

Formulas

  • Dry matter
  • Total nitrogen




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Contact us

ACTALIA Cecalait

Rue de Versailles
BP 70129
39801 POLIGNY CEDEX
FRANCE

Tel : +33 (0)3 84 73 63 20
Fax : +33 (0)3 84 73 63 29

cecalait[at]actalia.eu

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