Journal of the Chemical Society, Volume 87, Part 1Chemical Society., 1905 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
Contents
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Common terms and phrases
acetone acetyl action added alcoholic solution alkali ammonia ammonium amount analysis anhydride anhydrous Annalen aqueous solution atoms barium benzene boiling bromine c.c. nitrogen calcium carbon dioxide catechin cent CH₂ chloride chloroform Cl as NCI CO₂ colour colourless compound containing cooling crystallises crystals decomposed decomposition derivative dilute dissolved distilled dried ester ethyl acetate evaporated experiments extracted formation formed formula gave glacial acetic acid grams H₂O heated hydrochloric acid hydrogen hydrogen chloride hydrolysis iodine isomeric isomeride ketone liberated light petroleum liquid magnesium melting point mercaptan mercurous nitrite method methyl iodide mixture molecular molecule needles nitrate nitric acid nitrogen obtained oxalate oxide oxygen pale yellow potassium hydroxide precipitate prepared prisms pure reaction readily requires Cl residue rotation saccharin salt separated small quantity sodium carbonate solid solvent sparingly soluble Spectrum transmitted substance sulphate sulphuric acid temperature thiocyanate tion Trans tube water-bath weight whilst Wislicenus yield
Popular passages
Page 155 - Application was made to the Government Grant Committee of the Royal Society for a grant of £250 for the hire of a vessel.
Page 570 - Commissioners appointed to inquire into the best means of preventing the pollution of Rivers (River Thames).
Page 579 - That an alteration in the mass of any one of the binary compounds present alters the amount of every one of the other binary compounds, and that in a regular progressive ratio ; sudden transitions only occurring where a substance is present which is capable of combining with another in more than one proportion.
Page 768 - The absorption band is due to the change of linking accompanying the change from the one form to the other, and its formation may be explained by the modern physical conception of the atom as a system of electrons. 10. The labile atom may be regarded as a potential ion, inasmuch as the bond of attraction or Faraday tube of force must be considered to be lengthened sufficiently to allow of the interchange of the atom from the one position to the other within the molecule...
Page 681 - ... oil was dissolved in 10 cc of glacial acetic acid and to it was added 0.6 gram of semicarbazide hydrochloride and 0.8 gram of sodium acetate dissolved in 2 cc of water. The solution was allowed to stand for two days at room temperature. It was then diluted with water and the oil which separated was extracted with ether. The ethereal solution was shaken with dilute sodium hydroxide to remove acetic acid and then dried over sodium sulphate. After evaporating the ether, the oily residue was transferred...
Page 574 - He was one of the founders and the first president of the Ethnological Society of America : and from 1843 to his death he was president of the New York Historical Society.
Page 600 - The method of exposition," we again quote from the preface, " differs from that which is adopted in most other treatises of Chemistry ; for I describe and compare individual facts, so as to lead .the mind of the reader towards general principles, instead of stating the general principles first, and then proceeding to illustrate them by details.
Page 752 - ... data obtained by Hartley and others, and summarized in Professor Kayser's Handbook, Vol. Ill, Chap. 3, shows that an absorption band in the ultra-violet region of the spectrum is only shown by compounds having a possibility of tautomerism. Such tautomerism is not necessarily due to the presence of a labile atom, but may be of the same order as that occurring in ring compounds of the aromatic type, in which a reversible change of linking may take place periodically. The absorption bands of all...
Page 579 - ... there is a fundamental error in all attempts to determine the relative strength of affinity by precipitation, — in all methods of quantitative analysis founded on the colour of a solution in which colourless salts are also present, — and in all conclusions as to what substances exist in a solution, drawn from such empirical rules as, that " the strongest acid combines with the strongest base.
Page 768 - ... When the length of the Faraday tubes is below a certain critical length, the salt is nonionized. When the average length of the tubes of force is equal to or a little less than the critical length, a few interchanges of ions between adjacent molecules take place, and the salt is partially ionized. When the length of the Faraday tubes is greater than the critical value, then perfectly free interchange takes place between the ions of different molecules, and the salt is completely "ionised.