DS DS/EN 15604
DS DSEN 15604 2009-FEB-16 Fertlzers - Determnaton of dfferent forms of ntrogen n the same sample contanng ntrogen as ntrc ammonacal urea and cyanamde ntrogen
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This European Standard specifies a method for the determination of any one form of nitrogen in the presence of any other form. The method is applicable to any fertilizer provided for in Annex I of the Regulation (EC) No 2003/2003 [1] containing nitrogen in various forms.