A Manual of Chemical Analysis: Qualitative and Quantitative, for the Use of Students, Parte 1Reeve, 1864 - 663 páginas |
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Página 6
... salts by potassa , but the precipitates are all completely and in- stantly redissolved by the addition of an excess of the alkali again on pouring iodide of potassium into a solution of chloride of mercury , a beautiful scarlet ...
... salts by potassa , but the precipitates are all completely and in- stantly redissolved by the addition of an excess of the alkali again on pouring iodide of potassium into a solution of chloride of mercury , a beautiful scarlet ...
Página 45
... salts . 2 ( 15 ) Carbonate of Potassium ( K , CO ) .— The salt is best pre- pared by calcining pure cream of tartar : the incinerated mass is boiled in distilled water , filtered , and the clear liquid eva- porated to dryness in a clean ...
... salts . 2 ( 15 ) Carbonate of Potassium ( K , CO ) .— The salt is best pre- pared by calcining pure cream of tartar : the incinerated mass is boiled in distilled water , filtered , and the clear liquid eva- porated to dryness in a clean ...
Página 47
... salt should be dissolved for use in eight parts of distilled water . It is of great use in analysis as a precipitant of various substances soluble in potassa , but inso- luble in ammonia , and for keeping in solution certain oxides or salts ...
... salt should be dissolved for use in eight parts of distilled water . It is of great use in analysis as a precipitant of various substances soluble in potassa , but inso- luble in ammonia , and for keeping in solution certain oxides or salts ...
Página 53
... salts with others , it is likewise a valuable reagent for distinguishing one group of acids from another . X ( 33 ) ... salt is crystallized and dissolved for use in ten or twelve parts of water . It serves as a test for alkaline earths in ...
... salts with others , it is likewise a valuable reagent for distinguishing one group of acids from another . X ( 33 ) ... salt is crystallized and dissolved for use in ten or twelve parts of water . It serves as a test for alkaline earths in ...
Página 61
... salts of potassium being soluble in water , the metal is capable of being precipitated by a very few reagents . Its presence is , however , recognised by the following : - Comportment of Potassium Salts with reagents . ( Solution of ...
... salts of potassium being soluble in water , the metal is capable of being precipitated by a very few reagents . Its presence is , however , recognised by the following : - Comportment of Potassium Salts with reagents . ( Solution of ...
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Outras edições - Ver todos
A Manual of Chemical Analysis: Qualitative and Quantitative, for ..., Parte 1 Henry Minchin Noad Visualização completa - 1864 |
A Manual of Chemical Analysis: Qualitative and Quantitative, for ..., Parte 1 Henry Minchin Noad Visualização completa - 1864 |
A Manual of Chemical Analysis, Qualitative and Quantitative. For ..., Parte 2 Henry Minchin Noad Visualização completa - 1864 |
Termos e frases comuns
added alcohol alkaline alumina ammonia analysis antimony arsenic arsenious acid barium baryta blowpipe blue boiling bromine carbonate of ammonia carbonate of soda carbonate of sodium carbonic acid caustic potassa charcoal chloric acid chloride of calcium chromium cobalt colour Comportment of solutions compound containing converted copper crystals cyanide cyanide of potassium decomposed dilute dissolved ditto dried evaporated to dryness excess filter filtrate flame flask formed fused glass grains heated hydrate hydrochloric acid hydrogen Hydrosulphuric acid ignited inches insoluble iodide iodine iron lead lime liquid magnesia manganese mercury metal method mixed mixture neutral nickel nitrate of silver nitric acid obtained oxalate oxide oxygen peroxide phosphate phosphoric acid portion potassium powder precipitate present produces a white protoxide pure reagents redissolved residue salts separated sesquioxide silicic soluble in water substance sulphate sulphide sulphide of ammonium sulphuretted hydrogen sulphuric acid temperature tion tube vapour washed weight white precipitate yellow zinc
Passagens mais conhecidas
Página 226 - ... that a body plunged in a fluid loses as much of its weight as is equal to the weight of an equal volume of the fluid.
Página 226 - ... once what is the weight of a quantity of water, equal in bulk to the solid matter in the sand ; and by comparing this with the weight of the sand, we have its true specific gravity.
Página 11 - LITERARY PAPERS ON SCIENTIFIC SUBJECTS. By the late Professor EDWARD FORBES, FRS, selected from his Writings in the
Página 2 - This beautifully-illustrated work is the production of a lady who, being an accomplished artist, occupied the leisure of many years in accumulating a portfolio of exquisite drawings of the more attractive forms and varieties of British Fungi. The publication was brought to an end with the 140th Plate by her sudden decease. The Figures are mostly of the natural size, carefully coloured by hand.
Página 1 - L. REEVE AND CO.'S PUBLICATIONS. 13 PHYCOLOGIA AUSTRAL1CA; a History of Australian Seaweeds, comprising Coloured Figures and Descriptions of the more cha- . racteristic Marine Algse of New South Wales, Victoria, Tasmania, South Australia and Western Australia, and a Synopsis of all known Australian Algse.
Página 110 - Falconer also observed, that syrup of lemons boiled fifteen minutes in copper or brass pans did not acquire a sensible impregnation : but if it was allowed to cool, and remain in the pans for twenty-four hours, the impregnation was perceptible even to the taste, and was discovered by the test of metallic iron. This fact has been further confirmed by the researches of Proust, who states that, in preparing food or preserves in copper, it is not till the fluid ceases to cover the metal, and is reduced...
Página 9 - Episodes of Insect Life,' etc. Dedicated, by Special Permission, to HRH Field-Marshal the Duke of Cambridge. Royal 4to, 35 Original Sketches printed in colours, 42*. The
Página 1 - Alga: of the Southern Ocean, being Figures and Descriptions of Marine Plants collected on the Shores of the Cape of Good Hope, the extratropical Australian Colonies, Tasmania, New Zealand, and the Antarctic Regions. By Dr. HARVEY, FRS Imperial 8vo, 50 Coloured Plates, £2. 2*.
Página 226 - Y s then come into action and raise the whole beam, elevating the central knife-edge above the agate plane. This is the usual state of the balance when not in use : when it is to be brought into action, the reverse of what we have described takes place. On pressing down the lever, the central knifeedge first meets the agate plane, and afterwards the two agate planes carrying the scale-pans are deposited upon their supporting knife-edges.
Página 31 - The water is boiled, the soda and borax are dissolved in it, and the rice is then added to form a paste with which the charcoal is finally incorporated, and the whole well kneaded into a stiff mass. The mould in which these compositions are pressed to form the supports is made of boxwood.