DIN Standards Committee Principles of Environmental Protection
EN ISO 5983-1
Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method (ISO 5983-1:2005)
Futtermittel - Bestimmung des Stickstoffgehaltes und Berechnung des Rohproteingehaltes - Teil 1: Kjeldahl-Verfahren (ISO 5983-1:2005)
Responsible national committee
NA 057-03-03 AA - Animal feeding stuffs
Responsible european committee
CEN/TC 327 - Animal feeding stuffs - Methods of sampling and analysis