The determination of nitrogen in sodium

Because of the important activation of potassium (formation of K with a half-life of 7.71 minutes), which is always present in sodium, the determination of nitrogen cannot be carried out without chemical separation of 13 

Kjeldahl method. A 1 g sample is dissolved in a mixture of alcohol and 

It should be noted that oxidizing fusion is also applicable, and can be 11 13 

Oxidizing fusion is more reliable and of more general use than the Kjeldahl method and can be used to analyze larger amounts of sodium (5 to 7 g). An additional advantage is that it allows the determination of nitrogen and carbon simultaneously. 

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