Reference Testing and Calibration Services

Reference Methods

A number of tests are carried out according to international reference methods. 

These include:

• Fat -Roese Gottleib
• Protein (True and Crude) - Kjeldahl
• Non-casein Nitrogen (NCN) - Kjeldahl
• Non-protein Nitrogen (NPN) - Kjeldahl
• Casein- Kjeldahl
• Total Solids - Gravimetric
• Lactose – HPLC
• Urea - HPLC

Calibration Samples

MilkTestNZ also offers calibration sets for customers that have instrumentation which require calibration.

The following calibration samples are available:

• 2% fat
• 3% fat
• 4% fat
• 6% fat
• Reference
• Skim
• Cream

Custom sets can also be requested.  

Calibration sets are sent on a Tuesday and test certificates are emailed on a Thursday.