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ISO 23291:2020

Milk and milk products — Guidelines for the application of in-line and on-line infrared spectrometry

Jan 6, 2020

General information

90.93     Jun 18, 2025

ISO

ISO/TC 34/SC 5

International Standard

67.100.10  

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Scope

This document gives guidelines for using infrared spectrometry in in-line and on-line applications for dairy processing. These applications are distinct to those covered in ISO 21543 | IDF 201.
It is applicable, but not limited, to:
— the determination of protein, fat and total solids in liquid milk and milk products using mid and near infrared spectrometry;
— the determination of protein, fat and moisture in solid or semi-solid products, such as milk powder, and butter and liquid dairy streams using near infrared spectrometry.

Life cycle

NOW

PUBLISHED
ISO 23291:2020
90.93 Standard confirmed
Jun 18, 2025