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STANDARD 11816-2
IDF 155-2
Third edition
Milk and milk products —
Determination of alkaline
phosphatase activity —
Part 2:
Fluorimetric method for cheese
Lait et produits laitiers — Détermination de l'activité de la
phosphatase alcaline —
Partie 2: Méthode fluorimétrique pour le fromage
PROOF/ÉPREUVE
Reference numbers
ISO 11816-2:2023(E)
IDF 155-2:2023(E)
© ISO and IDF 2023
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ISO 11816-2:2023(E)
IDF 155-2:2023(E)
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© ISO and IDF 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
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PROOF/ÉPREUVE © ISO and IDF 2023 – All rights reserved
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ISO 11816-2:2023(E)
IDF 155-2:2023(E)
Contents Page
Forewords .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 2
6 Apparatus . 3
7 Sampling . 4
8 Preparation of test sample . 4
9 Procedure .5
9.1 Verification of instrument performance . 5
9.1.1 General . 5
9.1.2 Daily instrument tests . 5
9.1.3 Using FLM200 . 5
9.1.4 Using FLM300 . 5
9.1.5 Controls . 6
9.2 Reagent controls to test the suitability of ready-to-use working substrate (5.3) . 6
9.3 Calibrati
...