ISO 6654:1991Published

Animal feeding stuffs — Determination of urea content

Aliments des animaux — Détermination de la teneur en urée

Abstract / scope

Specifies a spectrometric method for the determination of the urea content. Gives a normative reference to ISO 6498:1983. Defines the term urea content. Describes principle, reagents, apparatus, sampling, preparation of the test sample, procedure, expression of results and test report.