absorption of nitrous gases by webb h w

By webb h w

Show description

Read or Download absorption of nitrous gases PDF

Best ecology books

Tropical Forest Ecology: A View from Barro Colorado Island

In Tropical woodland Ecology, Egbert G. Leigh, Jr. , one of many world's best tropical ecologists, introduces readers to the tropical wooded area and describes the tricky net of interdependence one of the nice range of tropical crops and animals. concentrating on the tropical wooded area of Barro Colorado Island, Panama, Leigh exhibits what Barro Colorado can let us know approximately different tropical forests--and what tropical forests can let us know approximately Barro Colorado.

Integral Ecology: Uniting Multiple Perspectives on the Natural World

At the present time there's a bewildering range of perspectives on ecology and the typical atmosphere. With greater than 200 unique and precious views at the average world—and with scientists, economists, ethicists, activists, philosophers, and others usually taking totally different stances at the issues—how do we come to contract to unravel our hardest environmental difficulties?

Handbook of Environmental Management

A guide of Environmental administration offers more than a few case experiences that display the complementary software of alternative social technological know-how strategies together with ecology-based administration considering to the usual atmosphere. modern environmental administration is characterized via an expanding understanding of the necessity for interdisciplinary methods.

Recombinant Ecology - A Hybrid Future?

This can be a difficult new method of figuring out ecological structures particularly in city and urbanised parts. Synthesising present principles and methods the ebook develops an old context to ecological fusion and recombinant or hybrid ecosystems. With immense weather switch and different environmental fluxes, this quantity offers perception into effects for destiny ecologies.

Additional info for absorption of nitrous gases

Sample text

E. an of the very concen- N I T R I C ACID 55 trations of nitric acid has been determined by Pascal, obtained the results shown in the following table. 1 who TABLE 8 Pressure =760 mm. Concn. of Nitric Acid. Per cent. HN03. Concn. P. Concn. of Nitric Acid. Per cent. HN08. Concn. P. 24-2 33-0 49-8 61-0 68-4 70-1 2-1 5-9 19-8 41-0 68-4 74-0 75-1 79-7 84-6 89-6 95-4 91-5 96-7 97-4 99-4 99-6 Creighton and Githens have also determined the boilingpoint of absolute nitric acid, 99-79 per cent. H N 0 3 , at different pressures.

1921, 15, 253, ABSORPTION OF NITROUS GASES 56 TABLE 9 Ternperature; cleg. Cent. Percentage Decomposition. 86 100 130 160 190 220 250 256 9-53 11-77 18-79 28-96 49-34 72-07 93-03 100-00 This decomposition constitutes a difficulty in the determination of the boiling-point of nitric acid, and the results of Creighton and Githens are vitiated to some extent by this factor, as pointed out by Pascal. I t is evident, also, t h a t dry sodium nitrate and concentrated sulphuric acid will not give the highest concentration of nitric acid unless the temperature is kept low.

I t should also be pointed out that since solution a n d decomposition of the nitrogen tetroxide must take place before neutralization of the resulting acids can be effected, it is useless t o employ too concentrated solutions of caustic soda or caustic potash for this purpose. I t can be shown t h a t the rate of absorption of the gas in caustic soda solution increases with the concentration of caustic soda, reaching a maximum with solutions about 1-5N. With a 4N solution t h e rate of absorption is only equivalent to t h a t of pure water, and higher concentrations are even less effective.

Download PDF sample

Rated 4.28 of 5 – based on 4 votes