Hanna Instruments HI 84529 mini titrator for dairy analysis

Wednesday, 28 August, 2013 | Supplied by: Hanna Instruments Pty Ltd

There are two fundamentally different conventions for expressing acidity in dairy products: titratable acidity and pH. The pH is a measurement of hydrogen ion concentration while titratable acidity is the neutralising capacity by a base.

An increase in acidity can be the result of bacteria formation. Monitoring acidity is a way of determining the quality and freshness of dairy products. Acidity is determined by an end point titration using sodium hydroxide (a base).

Hanna Instruments’ HI 84529 mini titrator for dairy analysis eliminates the subjective end point colour change detection determined by the human eye and instead employs the sensitivity and accuracy of a pH sensor. The titration method is a potentiometric end point determination using a predetermined pH value.

Acidity can be expressed in percent lactic acid, Soxlet Henkel degrees, Thorner degrees or Dornic degrees simply by selecting the desired unit on the instrument, without the need to change titrant.

This new generation of mini titrator improves on the titrant delivery system and measuring ranges compared to previous models.

Features include a precise piston dosing system, dynamic dosing for speed and accuracy, a clear and intuitive user interface, real-time graphing of the titration curve on the LCD, logging of up to 200 samples, on-screen help, and rear USB outputs for PC connection and to save data to a USB drive.

The titrator is also designed to be used as a benchtop pH/mV meter. When used in this mode, it has many features of a professional-grade benchtop instrument. Benefits include its comprehensive GLP data and the company’s Cal-Check feature.

Online: www.hannainst.com.au
Phone: 03 9769 0666
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