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GB 5413.20-2013 National Food Safety Standard Determination of Choline in Foods for Infant and Young Children and Dairy Products

  •   14 Jan 2019
  •    Yilia Ye
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    • GB 5413.20-2013 National Food Safety Standard Determination of Choline in Foods for Infant and Young Children and Dairy Products
      GB 5413.20-2013 食品安全国家标准 婴幼儿食品和乳品中胆碱的测定

    • Translated by :ChemLinked
    • Language:Bilingual (EN&CN)
    • Format:Electronic Edition (Adobe PDF)
    • Pages:22
    • Update date:2019-01-14
    • Effective Date :2014-06-01
    • Status: In force
    • Price: $155 

    Introduction

    This standard applies to the determination of choline in foods for infant and young children and dairy products.

    Contents

    1 Scope
    Method I Enzymatic colorimetry
    2 Principles
    3 Reagents and Materials
    4 Apparatus and Equipment
    5 Analysis Procedures
    6 Expression of Analysis Results
    7 Precision
    8 Others
    Method II Reinecke's salt spectrophotometry
    9 Principles
    10 Reagents and Materials
    11 Apparatus and Equipment
    12 Analysis Procedures
    13 Expression of Analysis Results
    14 Precision
    15 Others
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