Table of Contents

Foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluents, culture media and reagents
6 Apparatus
7 Sampling
8 Preparation
   8.1 Milk preparation
   8.2 Cleaning and calibration of pH electrodes
   8.3 Protein and fat cleaning of the electrode
   8.4 Stabilization and storage of the pH electrode
   8.5 Calibration of the pH electrode
   8.6 Disinfection of the pH electrode with ethanol
   8.7 Decontamination of the pH electrode by heat
        treatment
9 Procedure
   9.1 Frozen cultures
   9.2 Freeze-dried products
   9.3 Termination of the analysis
10 Precision
   10.1 Interlaboratory test
   10.2 Repeatability
   10.3 Reproducibility
11 Test report
Annex A (informative) Interlaboratory test - A CpH
        ring trial
Bibliography

Abstract

Describes a method for the measurement of the acidification activity of lactic acid bacteria by continuous measurement of pH.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 34
Supersedes	ISO/DIS 26323 : 60.00 (2009)