NA 057
DIN Standards Committee Food and Agricultural Products
Draft standard
prEN 18103
prEN 18103
Inorganic fertilizers - Determination of nutrient polymers nitrogen in the presence of other nitrogenous forms
Title (German)
Anorganische Düngemittel - Bestimmung von Nährstoff-Polymer-Stickstoff in Anwesenheit anderer stickstoffhaltiger Formen