v navzočnosti nitratov s Kjeldahlovim razklopom na alikvotnem deležu, odvzetem iz raztopine po redukciji v skladu z Ulschem, amonijak pa se v obeh primerih določi, kakor je opisano v metodi 2.1;
in the presence of nitrates, by Kjeldahl digestion on an aliquot part taken from the solution after reduction according to Ulsch, the ammonia being determined in both cases, as described in Method 2.1;