Hanna Instruments HI 84529 Titratable Acidity Mini Titrator for Dairy Analysis

Monday, 02 September, 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).

The Hanna Instruments HI 84529 titratable acidity mini titrator 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 pre-determined pH value.

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

This mini titrator improves on the titrant delivery system and measuring ranges compared to previous models, according to the company.

Features include a precise piston dosing system, dynamic dosing for speed and accuracy, 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.

This titrator is also designed to be used as a benchtop pH/mV meter. The instrument includes Hanna’s Cal-Check feature and comprehensive GLP data.

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