On liquid buttemilk - 2025

Proficiency testing

Home Proficiency testing Physico-chemistry - On liquid buttemilk - 2025

Methods / Analytes

dry matter determined using any method, fat determined using the butyrometric and gravimetric method, nitrogen determined using the Kjeldahl method or any alternative method


Number of samples

5 samples with varying amounts of:

- dry matter: 60 to 90 g/100 g

- fat: 1 to 15 g/100 g

- nitrogen: 2 to 5 g/100 g


Packaging

120 ml polyethylene screw-capped vials with airtight seals


Preservation

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


Dispatch

in insulated boxes with ice packs by express carrier. See regulations for shipping times


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


Calendar of dispatch :

 

Sample dispatch 2025/03/31
Return of results to ACTALIA Cecalait 2025/04/08

Subscription at least 10 days before each dispatch

Rates

Members Non-members
Registration fees per shipment 69.1 € 103.61 €
Participation fee per tested method 69.1 € 103.61 €


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
  • Fat
  • 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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