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CL-10 Milk: Titratable Acidity

Titratable Acidity

Acidity in milk, using traditional methods, is determined by an acid base titration at pH 8.4, the point where the phenolphthalein indicator turns from colorless to pink. The results are generally expressed in milliliters of base solution used to reach the turning point of the indicator.

Advantages of Differential-pH automated method
Designed for use with the EC CL-10 Plus automated analyzer, the CL-10 Titratable Acidity method uses patented differential pH technology to overcome the shortcomings of classic UV methods related to color, opalescence and micro-particles in the food samples. 

With this enzymatic detection kit, results are obtained with operative simplicity and with the following benefits:

  • Improved accuracy and precision compared to the other methods
  • Objective reading of results
  • Results are stored on computer
  • Fast results - only 15 seconds
  • No sample preparation necessary

Technical Features:

The user can decide which units the results should be displayed and stored, different options are shown in the table below, with respective characteristics of the method.

  Acidity [mM] Lactic Acid [g/l] °SH/50 °D
 Repeatability  ± 0.2  ± 0.02  ± 0.04  ± 0.2
 Linearity  0 - 100  0 - 9  0 - 40  0-90


Sample:   25 µl Milk (not pre-treated, not centrifuged nor diluted)

Time to result:    15 seconds, for each sample

CL-10 Milk: Titratable Acidity Details:
Sample Preparation
25 µl Milk (pre-treatment, centrifuging or dilution not needed)
Time to Results
15 seconds/sample
Differential pH
MCP579 Tray of 12 tests
Additional Information
About the Target