International ISO Standard ISO 11816-1 IDF 155-1 Milk and milk products - Fourth edition 2024-01 Determination of alkaline phosphatase activity - Part 1: Fluorimetric method for milk and milk-based drinks Lait et produits laitiers - Détermination de I'activité de la phosphatase alcaline - Partie 1: Meéthode fluorimétrique pour le lait et les boissons a basedelait Reference numbers ISO11816-1:2024(en) IDF 155-1:2024(en) @ ISO and IDF 2024 IS0 11816-1:2024(en) IDF 155-1:2024(en) COPYRIGHTPROTECTEDDOCUMENT @ ISO and IDF 2024 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on theinternetoran intranet, withoutpriorwrittenpermission.Permission canberequestedfrom eitherIso attheaddressbelow orIso'smemberbodyinthecountryoftherequester ISO copyright office International Dairy Federation CP 401 · Ch. de Blandonnet 8 SilverBuilding·Bd AugusteReyers 70/B CH-1214 Vernier, Geneva B-1030 Brussels Phone:+4122749 0111 Phone:+32 23256740 Fax: +32 2 325 67 41 Email: copyright@iso.org Email: info@fil-idf.org Website: www.iso.org Website: www.fil-idf.org Published in Switzerland @ IS0 and IDF 2024 - All rights reserved i