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GB 5009.91-2017 National Food Safety Standard Determination of Potassium and Sodium in Foods

  •   31 Jul 2019
  •    Rose Hong
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    • GB 5009.91-2017 National Food Safety Standard Determination of Potassium and Sodium in Foods
      GB 5009.91-2017 食品安全国家标准 食品中钾、钠的测定

    • Translated by :ChemLinked
    • Language:Bilingual (EN&CN)
    • Format:Electronic Edition (Adobe PDF)
    • Pages:25
    • Update date:2019-07-31
    • Effective Date :2019-07-31
    • Status: In force
    • Price: $155 

    Introduction

    This standard specifies the determination of potassium and sodium in foods by flame atomic absorption spectrometry, flame atomic emission spectrometry, inductively coupled plasma atomic emission spectrometry, and inductively coupled plasma mass spectrometry.

    Contents

    1 Scope

    Method I Flame Atomic Absorption Spectrometry
    2 Principles
    3 Reagents and Materials
    4 Apparatus and Equipment
    5 Analysis Procedures
    6 Expression of Analysis Result
    7 Precision
    8 Others

    Method II Flame Atomic Emission Spectrometry
    9 Principles
    10 Reagents and Materials
    11 Apparatus and Equipment
    12 Analysis Procedures
    13 Expression of Analysis Result
    14 Precision
    15 Others

    Method III Inductively Coupled Plasma Atomic Emission Spectrometry
    Method IV Inductively Coupled Plasma Mass Spectrometry

    Annex A Sample Determination Conditions for Reference
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