Why choose to use QSE Reference Material for quality control and quality assurance?

• Accurate reference values with low uncertainty of measurements allows for process optimisation and compliance.
• Established in 2006, QSE GmbH is a subsidiary of MPR Bayern e.V, Europe’s largest milk testing laboratory 
• QSE is the original developer of shock frozen milk standards
• QSE has satisfied customers in over 50 countries including National Milk laboratories, National Milk Records and The Cattle Information Service in the UK.
• Accredited as a manufacturer of reference material according to DIN EN ISO/IEC 17034:2017
• Accredited as a provider of proficiency tests according to DIN EN ISO/IEC 17043:2010
• Certificates of Quality are based on ISO accredited Reference methods
  • Fat ISO 1211/IDF1: 2010                        Röse Gottlieb
  • Protein ISO 8968-1/IDF 020-1: 2014         Kjeldahl
  • Lactose ISO 26462/IDF 214: 2010               Enzymatic
  • Solids ISO 6731/IDF 21:2010                     Oven 102ºC

• Each parameter is analysed by at least 5 different ISO/IEC 17025 Accredited laboratories
• The Reference value is the arithmetic mean of all statistically checked results
• The expanded uncertainty (k=2) is determined according to ISO Guide 35,
• QSE has a wide choice of matrices
  • Raw cows’ milk
  • Skimmed milk
  • Semi-skimmed milk
  • Pasteurised homogenised milk
  • Pasteurised cream
  • Whey
  • UHT milk
  • Goat’s milk

• QSE offers a wide choice of parameters:
  • Fat, protein, lactose, solids casein, urea
  • Inhibitor control +/- samples
  • Somatic cell count
  • Freezing point
  • Pregnancy +/- samples
  • Free fatty acids
  • Fatty Acid profile