Nitrogen is estimated in organic compounds by

The oxygen is estimated in the organic compound by

During nitrogen estimation of an organic compound by Kjeldahls method, the amimo- nia evolved by 0.5 g of the compound neutralised 10 mL of 1 M H_2 SO_4 . Calculate the percentage of nitrogen in the compound.

Discuss the estimation of nitrogen present in an organic compound by Dumas method. Mention the principles.

In the estimation of nitrogen present in an organic compound by Dumas method 0.35 g yielded 20.7 mL of nitrogen at 15^(@)C and 760 mm Hg pressure. Calculate the percentage of nitrogen in the compound.