To assure Qlip’s own routine laboratory, where more than 13 million milk samples are analysed annually, over 160,000 calibration series and control samples are analysed to determine that our instruments are measuring the correct values.

Qlip has 30 years of experience in the development and production of dairy control samples and calibration series. More than 80 production facilities worldwide use our products to calibrate and control their mid-infrared instruments. Several respected laboratories use our products to ensure the quality and reliability of analysis results.

A well-calibrated instrument generate correct and reliable test results. For this it is necessary to calibrate instruments frequently for the products being measured. Our experts support our customers in this field.


  • Raw milk (Cow, Goat and Sheep)
  • Cheese milk, skimmed milk
  • Cream (Cow and Goat)
  • Whey (Cow and Goat) – 1st, 2nd and centrifuged
  • Retentate
  • Customer-specific dairy products

Available parameters

  • Fat
  • Protein
  • Lactose
  • Freezing point
  • Somatic cell count
  • Urea
  • Fatty Acids
  • Ketosis
  • Dry matter
  • Casein

Order samples

Calibration series and control samples can be ordered by customers through the online CPS customer portal. If you are not an existing customer you can place your order using the order form. See ‘Downloads’ at the bottom of the page.

Webinar Assurance of Infrared analyses

During the webinar “Assurance of Infrared analyses in dairy products”, the assurance of all different analysis methods will be discussed, from FT-IR analyzes of liquid milk products such as milk, whey, cream, whey concentrates and (FT)-NIR analyses of solid milk Products such as cheese, milk powders and butter. > read more

Application form calibration & proficiency testing

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