#161967
Ionsúigh na comhdhúilí nitrigine so-ghalaithe a scaoiltear, in aigéad sulfarach de bhreis ar O.IN. Tar éis an bhreis a chúl-toirtmheascadh is féidir méid na nitrigine a ríomh leis an bhfoirmle seo a leanas:
Absorb the volatile nitrogen compounds which are liberated in excess of O.1 N sulphuric acid. After back titration of the excess, the amount of nitrogen can be calculated using the following formula: