GB 5009.44-2016 National Food Safety Standard Determination of Chloride in Foods

GB 5009.44-2016 National Food Safety Standard Determination of Chloride in Foods

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Basic Information
  • Translated By:ChemLinked
  • Release Date:Aug 31, 2016
    Implement Date:Mar 01, 2017
     
  • Pages:34
    Format:Electronic Edition (Adobe PDF)
    Language:EN&CN
  • Created on:Sep 10, 2019
    Last Updated On:Sep 10, 2019
     
Background

This standard specifies the methods for determination of chloride content in foods: Potentiometric Titration, Volhard Method (indirect precipitation titration method) and Argentometry (mohr method or direct titration).

Contents

1 Scope

Method I Potentiometric Titration
2 Principles
3 Reagents and Materials
4 Apparatus and Equipment
5 Analysis Procedures
6 Expression of Analysis Result
7 Precision
8 Others

Method II Volhard Method (Indirect Precipitation Titration Method)
9 Principles
10 Reagents and Materials
11 Apparatus and Equipment
12 Analysis Procedures
13 Expression of Analysis Result
14 Precision
15 Others

Method III Argentometric Method (Mohr Method or Direct Titration Method)
16 Principles
17 Reagents and Materials
18 Apparatus and Equipment
19 Analysis Procedures
20 Expression of Analysis Result
21 Precision
22 Others

Annex A
Volume Computation Sheet for Titration of Sodium Chloride Standard Solution by Silver Nitrate Standard Volumetric Solution