On butter - 2025

Proficiency testing

Home Proficiency testing Physico-chemistry - On butter - 2025

Methods / Analytes

moisture determined using any method, non fat solids, fat determined using calculation or extraction method, fat acidity determined using any method, and pH determined using any method


Number of samples

⇒ 5 samples with varying amounts of:
- moisture: 15 to 17 g/100 g
- non fat solids: 1.5 to 2,5 g/100 g
- fat: > 80 g/100 g
- fat acidity: 0.5 to 1.5 meq/100 g
- pH: 4.9 to 6.0 units

⇒ 1 control sample specific to fat acidity criterion


Packaging

- tub or pack of about 250 g

- in 30 ml polyethylene screw-capped vials with airtight seals for the control sample specific to fat acidity criterion


Dispatch

in insulated boxes with ice pack by express carrier (see regulation 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 2025/02/24 2025/11/03
Return of results to ACTALIA Cecalait 2025/03/05 2025/11/12

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

  • Moisture
  • Non fat solids
  • Fat
  • Fat acidity
  • pH




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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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