Quarterly Journal of the Chemical Society of London, Volume 113, Part 1 |
Contents
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Common terms and phrases
acetic action active nitrogen alkali amino-acid ammonia ammonium bromide amount aniline aqueous ammonia aqueous solution atom barium benzene boiling bromo-acid carbamide carbon cellulose cent cerium cerous Chem chemical chemistry chloride colouring matter colourless compound concentration condensation containing cooling corr crystallised crystals decomposed decomposition dilute dissolved distillation dried emetine esparto ester ether evaporated experimental experiments extracted filtrate flame formaldehyde formation formed formula fraction fructose galactose gave glucose grams H₂O heating hydrochloric acid hydrogen hydrogen chloride hydrolysis insoluble investigation isoemetine isolated isosantalin lactose latter layer liquid ammonia melting point method methyl alcohol minerals mixture molecular weight molecule Mond nitrate nitrogen obtained ordinary temperature oxide oxygen petroleum potassium precipitate prepared present pressure proportion pure quantity racemisation reaction requires residue salt santalin separated sodium hydroxide soluble solvent specific rotation substance sulphate sulphuric acid tion tube urea vacuum whilst yield
Popular passages
Page 386 - Nature never did betray The heart that loved her ; 'tis her privilege Through all the years of this our life, to lead From joy to joy : for she can so inform The mind that is within us, so impress With quietness and beauty, and so feed With lofty thoughts, that neither evil tongues, Rash judgments, nor the sneers of selfish men, Nor greetings where no kindness is, nor...
Page 329 - ... and in what direction, and how far, improvement is possible; and since the increase in our knowledge of the properties of matter enables us to form an opinion beforehand as to the substances we have available for obtaining a desired result, we can now foresee, in most cases, in what direction progress in technology will move, and in consequence the inventor is now frequently in advance of the wants of his time. He may even create new wants, to my mind a distinct step in the development of human...
Page 366 - To change is always seeming fickleness. But not to change with the advance of science is worse; it is persistence in error.
Page 293 - England will, beyond question, at no distant day become herself the greatest colourproducing country in the world ; nay, by the strangest of revolutions, she may ere long send her coal-derived blues to indigo-growing India, her tar-distilled crimson to cochineal-producing Mexico, and her fossil substitutes for quercitron and safflower to China, Japan, and the other countries whence these articles are now derived.
Page 329 - I think it is no longer so in our days, since science has made us acquainted with the correlation of forces, teaching us what amount of energy we utilize, and how much we waste in our various methods for attaining certain objects, and indicating to us where, and in what direction, and how far, improvement is possible; and since the increase in our knowledge of the properties of matter enables us to form an opinion beforehand as to the substances...
Page 292 - Chemistry ; we have, moreover, welcomed as a real step forward the important measures of co-ordination already effected between these services, including the work of the Bureau of Chemical and Physiological Abstracts and, in recent years, of the Chemical Council. We believe, however, that the results so far...
Page 350 - Athenseum, in conformity with the principles on which it was originally founded, that the annual introduction of a certain number of persons of distinguished eminence in science, literature or the arts or for public services should be secured, a limited number of persons of such qualifications shall be elected by the Committee.
Page 316 - He was a Fellow of the Royal Society of Edinburgh and of the Zoological Society of London, and of several other learned societies to which he contributed papers.
Page 327 - ... before it was removed from the tube. In order to keep the poisonous carbon monoxide out of the atmosphere of the laboratory, we simply lit the gas escaping from the apparatus. To our surprise we found that, while the apparatus was cooling down, the flame of the escaping gas became luminous and increased in luminosity as the temperature got below 100° C. On a cold plate of porcelain...
Page 344 - His reports of those expeditions are contained in the Proceedings of the Royal Society, and in the Journal of the