czSince 2007, we have been preparing samples for proficiency testing focused on the chemical and microbiological analysis of milk and dairy products. The aim is to ensure the comparison of results between individual laboratories, verify the correct use of methods, and identify possible deviations, which contributes to quality assurance.
Deadlines for Round XXI. (2026)
- application deadline: March 16th, 2026
- sample distribution: March 23rd, 2026
- delivery of results by laboratories: April 4th, 2026
- binding deadline for sending test evaluations: May 7th, 2026
Online form for completing microbiological analyses here.
Scope of interlaboratory comparison
|
Analysis |
Sample |
Determination |
|
Chemical |
SET A – raw milk (2 different samples) |
|
|
SET B – skimmed milk (2 different samples) |
|
|
|
SET C – cream (2 different samples) |
|
|
|
Physical |
set of 10 samples (6 salt solutions and 4 milk samples) |
|
|
Microbiological |
milk |
|
|
fermented milk product |
|
Each laboratory will receive an individual report with an anonymous comparison of results.