The Influence of Inert Gases on Inflammable Gaseous Mixtures (Classic Reprint)

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Excerpt from The Influence of Inert Gases on Inflammable Gaseous Mixtures When the Federal mine-accident investigations were begun it became evident that the mining engineers who investigated mine explosions and fires would have to guard against the possibility of secondary explosions, therefore they would have to know when an atmosphere that they might enter with breathing apparatus and electric safety lamps was explosive, or rapidly becoming so through the influx of methane or the formation of carbon monoxide. In certain instances it may be important to know, in some area in which ventilation has not been restored following an explosion, whether it is safe to admit searching parties or brattice men using oil safety lamps in case electric safety lamps are not available. In handling mine fires there are many times when it is important to know whether the atmosphere in the vicinity is inflammable or becoming so either through the decrease or, in some cases, increase of the ventilating current. The information given by the flame of a safety lamp in the complex gaseous mixtures following an explosion or introduced from a fire is not always sufficient. It is true the flame shows whether a particular atmosphere is explosive, but it does not show the composition of the atmosphere, and often a lamp can not be taken into a gaseous mixture either because such action would be unsafe, or because the gas has accumulated behind a stopping, and has to be sampled through a pipe. Under such circumstances analysis of the mixture affords the only safe and satisfactory method of obtaining the information desired. Accordingly, the engineers engaged in this work were supplied with portable gas-analysis apparatus with which analyses could be promptly made in the field. These analyses enabled the engineers to take the proper action in many cases in which without such analysis they would have been in doubt, in particular the analyses snowed whether it was safe to continue work in certain atmospheres, or whether the men should be withdrawn from the district or the mine. Presently another problem arose. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.