Fixation of Atmospheric Nitrogen (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Fixation of Atmospheric Nitrogen

Available Nitrogen in Commercial Products. The question of the available nitrogen in the various compounds has in a mea sure determined the price of the product, the utilization in the fertilizer art being practically the basis of fixing the price. For a number of years it has been assumed that the selling price of combined nitrogen would be from 12 cents to 13 cents a pound. Thus Chile saltpeter being about 95 per cent pure nitrate of soda would have a theoretical nitrogen content of about per cent or corrected for impurities would have about per cent nitrogen.

As the cyanides until recently were not used directly in the fertilizer art and were combined with more expensive products, their price has not been regulated by. Their content of combined nitrogen. The ammonia used in the fertilizer art is almost entirely used as sulphate of ammonia, on account of the cheap ness of the commercial sulphuric acid and the ease of manu facture, and this product would therefore have a theoretical con tent of 21 per cent of nitrogen.

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