Table of Contents

Forewords<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Reagents<br>6 Apparatus<br>7 Sampling<br>8 Preparation of test sample<br>9 Procedures<br>10 Calculation and expression of results<br>11 Precision<br>12 Test report<br>Annex A (informative) - Test portion<br>Annex B (informative) - Collaborative trials<br>Bibliography

Abstract

This International Standard specifies a method for the determination of the nitrogen content and crude protein calculation of milk and milk products by the Kjeldahl principle, using traditional and block digestion methods.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 34
Supersedes	ISO TS 17837 : 2008 ISO/FDIS 8968-1 : 60.00 (2013) ISO 5549 : 1978