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GB 5009.239-2016 National Food Safety Standard Determination of Acidity in Foods

  •   1 Jul 2019
  •    Jocelyn Sun
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    • GB 5009.239-2016 National Food Safety Standard Determination of Acidity in Foods
      食品安全国家标准 食品酸度的测定

    • Translated by :ChemLinked
    • Language:Bilingual (EN&CN)
    • Format:Electronic Edition (Adobe PDF)
    • Pages:33
    • Update date:2019-07-01
    • Effective Date :2017-03-01
    • Status: In force
    • Price: $279 

    Introduction

    This standard specifies the method for the determination of acidity in raw milk and milk products, starch and its derived products and grain and its products.

    Contents

    1. Scope
    Method I Phenolphthalein I Indicaor Method
    2. Principles
    3. Reagents and Materials
    4. Apparatus and Equipment
    5. Analysis Procedures
    6. Expression of Analysis Results
    7. Precision
    Method II pH Meter Method
    8. Principles
    9. Reagents and Materials
    10. Apparatus and Equipment
    11. Analysis Procedures
    12. Expression of Analysis Results
    13. Precision
    Method III Potentiometric Titrator Method
    14. Principles
    15. Reagents and Materials
    16. Apparatus and Equipment
    17. Analysis Procedures
    18. Expression of Analysis Results
    19. Precision
     
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