Journal of the Chemical Society, Volume 91, Part 2Chemical Society., 1907 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Common terms and phrases
absorption acetone acetyl action added alcoholic solution alkali ammonium amount anhydride aqueous solution assemblage atom base basic sulphate benzene boiling bromine c.c. moist nitrogen c.c. of nitrogen calcium cent CH₂ chloride chloroform CO₂ cocosite colourless compound concentrated sulphuric acid condensation containing cooling copper crystallised crystals curve cyanide decomposed decomposition derivative diazonium salt diazotised dilute dioxide dissolved distilled dried emulsion ester ether ethyl acetate evaporated excess experiments extracted filtrate formation formed formula fraction gave glacial acetic acid grams H₂O heated hydrochloric acid hydrogen hydrolysis insoluble iodide iodine light petroleum liquid melting point mercuric method methyl alcohol mixture molecular molecule needles melting nitrate nitric nitric acid nitrogen obtained oxidation peroxide phenylhydrazine potash potassium hydroxide precipitate prepared present prisms pyridine quantity reaction readily requires residue separated sodium carbonate sodium hydroxide solid soluble solvent spheres substance sulphuric acid temperature tion Trans tube volume washed whilst yield
Popular passages
Page 1518 - Application was made to the Government Grant Committee of the Royal Society for a grant of £250 for the hire of a vessel.
Page 1710 - The expenses of this research have been in part defrayed by a grant from the Government Grant Committee of the Royal Society. 2. We have introduced the word sapo-glucoside to designate the large number of substances belonging to the glucosidc class which also show the properties of saponin,* and act physically like soaps.
Page 1914 - The petroleum extract of the resin was a dark green, wax-like solid, and weighed 28'6 grams. It was dissolved in ether, and the ethereal liquid shaken with a solution of sodium carbonate, when a quantity of a green, flocculent precipitate was formed.
Page 1122 - The object of the present investigation was to study the effect of streptomycin, grisemin, chloramphenicol (levomycetin), chloromycetin (synthomycin) and aureomycin (biomycin) on Sh.
Page 1758 - KAH llorncr, 1899). In this table are included all the substances hitherto prepared from the proteins the existence of which is established, with a short reference to their discovery. It may, however, be mentioned that the list is by no means complete ; among the new products already announced, the caseanic acid described by Skraup appears to have the greatest claim to recognition as a definite substance. It is certain, however, that the nineteen amino-acids in the table are the chief hydrolytic...
Page 1908 - London, 1877, where it is stated to be known under the native name of
Page 1083 - ... are mixed with 5 grm, of magnesia and boiled under a reflux apparatus during one hour with 300 cc of water. The decoction is filtered off, the residue again boiled with water during fifteen minutes and the second decoction filtered. The combined filtrates are evaporated to dryness on the water-bath, the residue mixed with sand and extracted in a Soxhlet apparatus with chloroform The solvent is distilled off and the residue dried and weighed. The quantity of total alkaloid in cocoa beans varies...
Page 1535 - ... the plane of the optic axes is perpendicular to the plane of symmetry, and...
Page 1643 - Other things being equal, the velocity of the reaction is proportional to the concentration of the catalyst or enzyme.