Question

The presence of nitrogen in a
coal sample is
*​

Answer 1

Answer:

INTRODUCTION. The nitrogen content in coal varies with rank reaching a maximum at approximately 85 wt% carbon content d.m.m.f. (1). This nitrogen is present virtually exclusively as organic nitrogen and typical nitrogen contents vary from 0.7 to 2.0 wt%.

Answer 2

Answer:

The nitrogen content in coal varies with rank reaching a maximum at approximately 85 wt% carbon content d.m.m.f. (1). This nitrogen is present virtually exclusively as organic nitrogen and typical nitrogen contents vary from 0.7 to 2.0 wt%.

Explanation:

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