Excerpt from A Dictionary of Chemistry and the Allied Branches of Other Sciences, Vol. 4: Nacrite-Pyruvic Acid The crude distillate is a mixture of several li uid hydrbcarbons, together with acid and basic compounds. When purified by tion and subsequent treatment with sulphuric acid and caustic soda, it yields an oil consisting of a mixture of various fluid hydrocarbons holding paraffin in solution. By distillation with water, it is so ted into a volatile liquid (a) lighter than water and containi little or no par a n, and a less volatile liquid which contains parafin, and after furt er uriflcation by successive treatment with oil of vitriol and chalk, is well ads ted or lubricating machinery. When heated to between 1° and 46° C. (30° an 40° it deposits 9. Portion of the parsfin, the remaining liquid being a saturated solution of paraflin in the fluid hydrocarbons. 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.