Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Dilution fluids and culture media<br>6 Apparatus and glassware<br>7 Sampling<br>8 Preparation of test sample<br>9 Procedure<br>10 Expression of results<br>11 Precision<br>12 Test report<br>Bibliography

Abstract

This part of ISO 16649 specifies a horizontal method for the detection and enumeration of β-glucuronidase positive Escherichia coli, by means of the liquid-medium culture technique and calculation of the most probable number (MPN) after incubation at (37 ± 1) °C, then at (44 ± 1) °C.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 34
Supersedes	ISO TS 16649-3 : 2005 ISO/DIS 16649-3 : 60.00 (2015)