SN/T 1538.1-2016Guidelines on preparation and production of culture media��Part 1: General guidelines on quality assurance for the preparation of culture media in the laboratory (English PDF)

Foreword

SN/T 1538 "Medium Preparation Guide" is divided into two parts.

--- Part 1. Laboratory culture preparation quality assurance General;

--- Part 2. Practical guide to performance testing of media.

This part of SN/T 1538 Part 1.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This section replaces SN/T 1538.1-2005 "Guide for the preparation of culture medium - Part 1. Preparation of quality assurance laboratory media General", Compared with SN/T 1538.1-2005, the main technical changes are as follows.

--- The scope of the original standard has been revised;

--- "Normative references" were revised;

--- Modify and add some terms and definitions;

--- Modify the "4.1.2 product delivery acceptance";

--- Modify the "4.3 medium preparation laboratory" and "4.4 medium use" part of the content;

--- Revised "5 quality control strains of storage and maintenance";

--- Modify "6.1 Physical Index Control";

--- Modify Appendix C this section uses the redrafted law Amendment uses ISO/T S11133-1.2009 "food and animal feed Microbiology Medium Preparation Guide laboratory medium preparation quality assurance rules. " this part of the national certification and accreditation supervision and management committee proposed and centralized.

This part of the drafting unit. Fujian Entry-Exit Inspection and Quarantine of the People's Republic of China.

1 Scope

This part of SN/T 1538 specifies the general terms related to quality assurance of media preparation and microbiological analysis of food and animal feed the minimum requirements for medium preparation.

This section applies to the following four media.

--- commercial ready-to-use medium;

--- Need to re-thaw, add supplements, sub-filled medium;

--- commercial dehydration synthetic medium;

--- Preparation of individual components of the medium.

This section also applies to a variety of water samples used in microbial analysis of the medium.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 5750.12 Standard Test Method for Drinking Water - Microbial Index SN/T 1538.2-2016 Medium Preparation Guide Part 2. Practical guide to performance testing of media

3 Terms and definitions

The following terms and definitions apply to this document.