Crossword-Solution: DILUENTS 8 letters, 2 clues 🏆 scrabble score: 9

Composition.--Even when freed from its impurities coal-gas is a very complex mixture, the chief components being nearly as follows:-- Percent Diluents, having little C, give H 45) very little light.

There are few houses of the present day in which, though there be ten times as many books, there is so much strong food; if there was any lack, it was rather of diluents.

Since acetylene is more soluble in water than any of its diluents or impurities, sulphuretted hydrogen and ammonia excepted, and since the solubility of all gases increases as the pressure at which they are stored rises, the true acetylene in an acetylene holder dissolves in the water more rapidly and comparatively more copiously than the impurities; and thus the acetylene tends to disappear and the impurities to become concentrated within the bell.

One of the first diluents suggested was carbon dioxide (carbonic acid gas), because this gas is very easy and cheap to prepare; and because it was stated that acetylene would bear an addition of 5 or even 8 per cent, of carbon dioxide and yet develop its full degree of luminosity.

Among such may be named the detection of traces of phosphine in acetylene which has passed through a purifier with a view to ascertaining if the purifying material is exhausted, and the estimation of the amount of air or other diluents in stored acetylene or acetylene generated in a particular manner.