| 单词 | calx |
| 例句 | But Cavendish instituted a series of experiments which proved that no fixed air could be obtained from metallic calces. Heroes of Science Chemists 2011-12-09T03:00:21.047Z In a degree of heat in which it would rise easily in vapour, mercury imbibes pure air, and becomes a red calx, called precipitate per se. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z All transparent enamels are made opaque by the addition of calx, which is a mixture of tin and lead calcined. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The old chemists have affixed the name of calx not only to metals in this state, but to every body which has been long exposed to the action of fire without being melted. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries To deny this would be equivalent to a denial that the Latin verb calcare came from calx, 'the heel.' Notes and Queries, Number 233, April 15, 1854 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc And they answered as triumphantly, Because these metals lose phlogiston by this process, and we know that a calx is a metal deprived of its phlogiston. Heroes of Science Chemists 2011-12-09T03:00:21.047Z Heat recovers the pure air, and the mercury, leaving the calx of the impure metal. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Again, iron, by its fermentation with brimstone and water, is evidently reduced to a calx, so that phlogiston must have escaped from it. Experiments and Observations on Different Kinds of Air We have, therefore, laid aside the expression metallic calx altogether, and have substituted in its place the term oxyd, from the Greek word οξυς. Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries Every metal deprived of this igneous principle is immediately reduced to a calx, and thus deprived of its splendour, fusibility, and other properties, until restored again by the readmission of its phlogiston. A Treatise on Foreign Teas Abstracted From An Ingenious Work, Lately Published, Entitled An Essay On the Nerves Up to this time metallic calces, and for the most part alkalis and earths also, had been regarded as elementary substances. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The calx of iron gives a green colour to glass. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z It seems also to be pretty evident, from this experiment, that the precipitate above mentioned is a real calx of the metal, by the solution of which the nitrous air is generated. Experiments and Observations on Different Kinds of Air Externally calx of zinc, of lead, of mercury. Zoonomia, Vol. II Or, the Laws of Organic Life Sixth Experiment.—I precipitated with alkali of tartar a solution of gold which was made with aqua regia; I reduced in the foregoing manner the washed and dried calx of gold. Discovery of Oxygen, Part 2 The metal, said Lavoisier, decomposes the water which is always present along with the acid, hydrogen is thus evolved, and the metallic calx or oxide so produced dissolves in the acid and forms a salt. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The calx of tin resists fusion more than that of any other metal, which makes it useful in making an opaque white enamel. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Our caulk is in medieval Latin calcare, and this represents a rare Latin verb calicare, to plaster with lime, from calx, lime. The Romance of Words (4th ed.) Absorption is increased by the calces or solutions of mercury, lead, zinc, copper, iron, externally applied; and by arsenic, and by sulphur, and by the application of bitter vegetables in fine powder. Zoonomia, Vol. II Or, the Laws of Organic Life As soon as the calx began to glow, the bladder became expanded, and quicksilver rose into the neck. Discovery of Oxygen, Part 2 "Now," said Priestley, "when a metal burns phlogiston rushes out of it; if I restore this phlogiston to the metallic calx, I shall convert it back into the metal." Heroes of Science Chemists 2011-12-09T03:00:21.047Z By long standing, or the addition of water, the calx of tin is precipitated from the solution. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Further he believed that when the phlogiston flew away, "the splendour, malleability, and ductility" of the metal disappeared with it, leaving behind a calx. Priestley in America 1794-1804 The real calx of bismuth would probably have the same ill effect. Zoonomia, Vol. II Or, the Laws of Organic Life In this case no red sublimate arose as customarily takes place with that calx which is prepared by the acid of nitre. Discovery of Oxygen, Part 2 He then showed by experiment that when calx of iron is heated with hydrogen, the hydrogen disappears and the metal iron is produced. Heroes of Science Chemists 2011-12-09T03:00:21.047Z This calx is soluble in about eighty times its weight of cold water, or in fifteen times its weight of boiling water. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z This oxide was formerly termed a "calx," and has long been known to weigh more than the metal from which it was obtained. A Text-book of Assaying: For the Use of Those Connected with Mines. On the parts not excoriated mercurial ointment, made of one part of white calx of mercury and six of hogs' fat. Zoonomia, Vol. II Or, the Laws of Organic Life I then placed this calx of silver in a small glass retort on the open fire for reduction, and fastened an empty bladder to the neck. Discovery of Oxygen, Part 2 But at a later time it was proved that iron was also produced by heating the calx of iron with carbon. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The calx of acid is used in a variety of the arts, especially in the manufactory of glass. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Calcareous, partaking of the nature of calx or lime,—a term employed to describe chalk, marble, and all other combinations of lime with carbonic acid. A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. Afterwards cerate joined with some metallic calx, as of zinc or lead, or solution of lead, mercury, or copper, or iron, which may stimulate the absorbent system into stronger action. Zoonomia, Vol. II Or, the Laws of Organic Life Mercury converted into calx by the acid of nitre, or red precipitate, treated in the same way behaved similarly. Discovery of Oxygen, Part 2 The antiphlogistic school said that calx of iron is composed of iron and dephlogisticated air; the phlogisteans said it was iron deprived of its phlogiston. Heroes of Science Chemists 2011-12-09T03:00:21.047Z The calx and the salts of this metal are occasionally used in medicine. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The theory thought of the re-formation of a metal from its calx, that is, the earthy substance which remains after combustion, as the combination of two things to produce one, apparently homogeneous, substance. The Story of Alchemy and the Beginnings of Chemistry From the melted ore, in this subterranean region of infernal aspect, is produced a calx, or cinder, of which there is an enormous mountain. An History of Birmingham (1783) But all flies or sinks before fire almost in all bodies: when the com- mon ligament is dissolved, the attenuable parts ascend, the rest subside in coal, calx, or ashes. Religio Medici, Hydriotaphia, and the Letter to a Friend Now they triumphantly asked, Why, when metals dissolve in diluted vitriolic or muriatic acid with evolution of inflammable air, are calces of these metals produced? Heroes of Science Chemists 2011-12-09T03:00:21.047Z The water used in this preparation contains a portion of the calx suspended by the alkali, and being precipitated by an acid, is called ceruse of antimony. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Experiment.—Lead, or any other metal except gold or silver, is calcined in the air; the metal loses its characteristic properties, and is changed into a powdery substance, a kind of cinder or calx. The Story of Alchemy and the Beginnings of Chemistry The third refers to the great quantity of pure air contained in the calces of metals. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation In a note he gives the accepted derivation of Causse from calx, saying that it was of general application, and that the word certainly filled a blank in French nomenclature. The Roof of France It must be recollected that Linnaeus included silex, as well as limestone, under the name of "calx," and that he would probably have arranged Diatoms among animals, as part of "chaos." Discourses Biological and Geological Essays The residuum consists of revived mercury, with some regulus and calx of antimony. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z I sent you of his faeces there calcined: Out of that calx, I have won the salt of mercury. The Alchemist In those the calx has previously acquired the intended colour, a colour which bears a red heat without injury, and all that remains is to fix it on the piece by a vitreous flux. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation We have, therefore, laid aside the expression metallic calx altogether, and have substituted in its place the word oxide. A History of Science — Volume 4 Still further, on continuing the investigation, it may be shown that the oxide or calx, as it used to be called, has become heavier by combining with one of the ingredients of the air. History of the Conflict Between Religion and Science The calx of manganese is used in making glass; the glass destroying the colour of that of the other materials, and thereby making the whole mass transparent. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z United with the calx of lead, it is used in painting. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z One part of either of these calces is put to ten, sixteen, or twenty parts of the flux, according to the depth of colour required. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation To make glass perfectly colourless, and at the same time more dense, commonly called flint glass, manufacturers use a certain proportion of calx of lead and manganese. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Oils dissolve the calces of lead, which, by this means, is the basis of paints, plaisters, &c. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z It contains much of the calx of manganese, and iron; but when the substance is pulverized, these are easily dissolved, and the calx of wolfram is found to be yellow. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z With more heat it ignites, and burns with a slight blue flame, while a yellowish calx, called flowers of bismuth, is produced. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The usual materials are flint, or flint-glass, with a due proportion of red-led, or borax, or both, and sometimes a little tin calx to give opacity. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation What is commonly called arsenic is the calx of a semi-metal called the regulus of arsenic. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z When the calx of arsenic is distilled with sulphur, the vitriolic acid flies off, and a substance of a yellow colour, called orpiment, is produced. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z By heat it is converted into a white calx. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The solution of fixed alkali dissolves the calx of arsenic, and by means of heat a brown tenacious mass is produced, and having also a disagreeable smell, it is called liver of arsenic. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z These calces therefore, when mixed with the enamel flux, are melted in crucibles, once or oftener, and the deep coloured opake glass, thence resulting, is ground into unpalpable powder, and used for enamel. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation Its calx is soluble in water, like that of arsenic. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Its calces are white when imperfect, but black, or dark green, when perfect. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z In answer to this it is said, that the pure air expelled from the calx uniting with the inflammable air in the vessel, recomposes the water found after this process. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The black calx of manganese is altogether insoluble in acids. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z This calx turns blue by exposure to light; and an hundred grains of it heated with charcoal will yield sixty grains of a peculiar metal, in small particles, which, when broken, look like steel. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z It is soluble in the vitriolic or marine acids, and reduced to a yellow calx by nitrous acid or aqua regia. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Thus the phlogiston of charcoal or inflammable air becomes the phlogiston of any of the metals, when the calx is heated in contact with either of them. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z Thus when phlogisticated alkali is poured into a solution of green vitriol, the acid of the vitriol unites with the alkali, while the phlogiston joining the calx of iron makes Prussian blue. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z The calx of iron, therefore, having the same effect with massicot, when treated in the same manner, appears to contain no more pure air than massicot does. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry 2011-10-11T02:01:05.817Z |
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