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单词 cupric
例句 cupric
Among those of a more pessimistic bent, suspicions that somewhere deep in the bowels of Westminster a press release was being composed urging people not to read anything into this cupric caesura. Brexit is a war between reason and faith, so we’ll treat it as one | Lucy Mangan 2019-08-09T04:00:00Z
Scrub it with cupric nitrate for greenish tones, with ferric for a brownish red. Tommy Trojan, meet your female counterpart 2017-08-17T04:00:00Z
With spray bottles, they applied both cupric nitrate and ferric nitrate to the metal, then distributed and smoothed the sizzling liquid with mop-shaped brushes. Restoring a Lackluster World’s Fair Sculpture for Legacy’s Sake 2015-07-01T04:00:00Z
The first of these was no doubt finely divided copper metal; the second, third, and fourth were probably all cupric oxide. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
It reduces many metallic oxides, such as lead monoxide and cupric oxide, and decomposes water at a red heat. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John"
It is also obtained by burning the metal in chlorine, by heating copper and cupric oxide with hydrochloric acid, or copper and cupric chloride with hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Under the luminous agency the uranic nitrate is first reduced, then the uranous oxide acts on the cupric nitrate, forming cupric oxide, which is finally reduced to the metallic state. Photographic Reproduction Processes
Thirty-five grammes of cupric acetate are dissolved in a litre of water, and 20 cubic centimetres of the strongest liquid ammonia are added. On Laboratory Arts
The copper flowers were no doubt cupric oxide. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z
Physical criteria are only of determining value when associated with such constants as cupric reduction, and these, again, must be referred to some arbitrary initial weight, such as, for convenience, 100 parts of the original. Researches on Cellulose 1895-1900
It decomposes when heated to 90�; with water it gives nitric oxide and cupric nitrate and nitrite. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Mercuric chloride, 1 part; cupric sulphate, 10 parts; zinc sulphate, 50 parts; sodium chloride, 65 parts; water to make 1,000 parts. Practical Mechanics for Boys
The best of the many solutions which have been proposed in years gone by is very dilute cupric nitrate with about 5 per cent of free nitric acid. On Laboratory Arts
It differs from Scheele's Green, or cupric arsenite, in being lighter, more vivid, and more opaque. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
In the early stages also the permanent tissue yields an extract with relatively low cupric reduction, showing that the carbohydrates are dissolved by the acid in a more complex molecular condition. Researches on Cellulose 1895-1900
The precipitation of the copper from the solution, in which it is present as sulphate, or as cuprous and cupric chlorides, is generally effected by metallic iron. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Copper, like iron, forms two series of compounds: in the cuprous compounds it is univalent; in the cupric it is divalent. An Elementary Study of Chemistry
Copper forms two classes of salts, cuprous and cupric. A Text-book of Assaying: For the Use of Those Connected with Mines.
It is a cupric arsenite, with the common attributes of emerald green, under which name it is sometimes sold. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
The numbers for cupric reduction were in excess of those obtained with the hexoses. Researches on Cellulose 1895-1900
Cupric chloride, CuCl2, is obtained by burning copper in an excess of chlorine, or by heating the hydrated chloride, obtained by dissolving the metal or cupric oxide in an excess of hydrochloric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Cupric salts are easily made by dissolving cupric oxide in acids, or, when insoluble, by precipitation. An Elementary Study of Chemistry
They are easily and completely converted into cupric by oxidising agents. A Text-book of Assaying: For the Use of Those Connected with Mines.
Dictionary of Chemistry" that it is "prepared on a large scale by mixing arsenious acid with cupric acetate and water. Scientific American Supplement, No. 455, September 20, 1884
This immersion, of variable duration according to circumstances, will restore to these insects, however bad they have become, all their brilliancy and all their first freshness, and the efflorescences of cupric oxide will not reappear. Scientific American Supplement, No. 520, December 19, 1885
Normal cupric carbonate, CuCO3, has not been definitely obtained, basic hydrated forms being formed when an alkaline carbonate is added to a cupric salt. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Contrast the action of heat on cupric nitrate and mercuric nitrate. An Elementary Study of Chemistry
Taking 2 grams of it for each determination, what weight of CO2 will be got on burning the residue from solution in ammonium cupric chloride, and what from the residue after solution in hydrochloric acid? A Text-book of Assaying: For the Use of Those Connected with Mines.
In "Miller's Chemistry" it is stated it "may be obtained by boiling solutions of arsenious anhydride and cupric acetate, and adding to the mixture an equal bulk of cold water." Scientific American Supplement, No. 455, September 20, 1884
Both potassium bromate and cupric salts in solution will liberate iodine from an iodide, which is then titrated with the thiosulphate solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes
The bulk of the copper is thus transformed into cupric chloride, little cuprous chloride being obtained. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Copper is a metal which yields two series of compounds, cuprous and cupric salts, the latter of which contain half the quantity of metal per unit of acid constituent that is found in the former. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power
The finishing point is reached as soon as the solution becomes turbid from precipitated cupric hydrate. A Text-book of Assaying: For the Use of Those Connected with Mines.
The use of cupric chloride is not advisable, as it corrodes lead, and gives rise to the formation of soluble chloride of lead, which complicates the separation of zinc from cadmium. Scientific American Supplement, No. 455, September 20, 1884
The salts derived from cupric oxide are generally white when anhydrous, but blue or green when hydrated. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
The most important are cuprous oxide, Cu2O, and cupric oxide, CuO, both of Oxides and hydroxides. which give rise to well-defined series of salts. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
At more elevated temperatures other cupric compounds are produced which also give evidence of polymerisation. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power
Copper sulphate is readily soluble in water, but insoluble in alcohol; it dissolves in hydrochloric acid with a considerable fall in temperature, cupric chloride being formed. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Copper arsenate is similar to cupric phosphate, and the resemblance is to be observed in the naturally occurring copper arsenates, which are generally isomorphous with the corresponding phosphates. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Cupric fluoride, CuF2, is obtained by dissolving cupric oxide in hydrofluoric acid. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
Cuprous oxide corresponds to the series of cuprous salts, which are mostly white in colour, insoluble in water, and readily oxidized to cupric salts. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright"
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