International Standard
ISO 11816-1:2024
Milk and milk products — Determination of alkaline phosphatase activity — Part 1: Fluorimetric method for milk and milk-based drinks
Reference number
ISO 11816-1:2024
Edition 4
2024-01
© ISO 2024
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Publicado (Edición 4, 2024)

ISO 11816-1:2024

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Formato
CHF 96
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Resumen

This document specifies a fluorimetric method for the determination of alkaline phosphatase (ALP) (EC 3.1.3.1) activity in raw and heat-treated whole milk, semi-skimmed milk, skimmed milk and flavoured milks.

This method is applicable to milk and milk-based drinks from cows, sheep and goats. It is also applicable to milk powder after reconstitution.

The instrument used for the determination of ALP can read activities up to 7 000 milliunits per litre (mU/l). If the activity is higher than 7 000 mU/l, it is diluted with ALP-free milk so as to obtain a measurement not higher than 7 000 mU/l.

Informaciones generales

  • Estado
     : Publicado
    Fecha de publicación
     : 2024-01
    Etapa
    : Norma Internacional publicada [60.60]
  • Edición
     : 4
    Número de páginas
     : 14
  • Comité Técnico :
    ISO/TC 34/SC 5
    ICS :
    67.100.10 
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  5. 67
  6. 67.100
  7. 67.100.10
  8. ISO 11816-1:2024