Mineralogy and Chemistry, 第 1 卷J. P. Morton, 1878 - 401 頁 |
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alkalies alumina ammonia analysis Asia Minor associated athal atom baryta bodies calcareous capsule carbonate of lime carbonate of soda carbonic acid cent chemical chloride of calcium cobalt color composition contain copper corundum County crucible crystalline crystals decomposed decomposition diameter diaspore dissolved Domeyko earth emery emerylite examined fact feet filter formula fragments furnished gave gramme gray copper Gumuch-dagh heat hundred hydrochloric acid hydrogen inches Kulah lead locality Magnesia magnetic manganese mass matter metallic meteoric iron meteoric stones meteorites method miles mineral minute quantity mixture Naxos nickel nickeliferous iron nitric acid observed obtained olivine oxide of iron Peroxide of iron Phosphorus platinum portion potash precipitate present Prof Protoxide of iron pure pyrites pyroxene rock sal ammoniac salt schreibersite Science and Arts separated Shepard Silica silver soluble solution specific gravity specimens spermaceti substance sulphate sulphuret sulphuric acid surface tion variety veins weight
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第 334 頁 - ... the body of it presents the form of an irregular, slightly oblique, rhomboidal prism. The upper end, however, is not well defined, but runs up to one side in a flattened protuberance, giving the entire specimen a form approaching roughly an oblique pyramid. The length from the base to the apex is 4£ inches.
第 50 頁 - I possess, the two minerals shade into each other so completely, that it is impossible to tell where one begins and the other ends.
第 208 頁 - ... of it to every gramme of sal-ammoniac supposed to exist in the liquid ; a little habit will suffice to guide one in adding the nitric acid, as even a large excess has no effect on the accuracy of the analysis.
第 208 頁 - It is no advantage to push the decomposition with too great rapidity ; a moderately warm place on the sand-bath is best adapted for this purpose. With proper precautions, the heat can be continued, and the contents of the flask evaporated to dryness in that vessel ; but it is more judicious to pour the contents of the flask, after the liquid has been reduced to...
第 280 頁 - Couch also states, that the intelligent, but almost unknown, Dr. Berlandier, writes in his journal of the Commission of Limits, that at the hacienda of Venagas, there was (1827) a piece of iron that would make a cylinder one yard in length, with a diameter of ten inches. It was said to have been brought from the mountains near the hacienda. It presented no crystalline structure, and was quite ductile.
第 264 頁 - I then also stated, that although a boiling solution of an alkali might not react upon cholesterine, still I had no doubt that the alkali by itself, aided with a high temperature, would react upon it in a manner similar to that which it did upon spermaceti. From the kindness of M. Pelouze, who furnished me with a small quantity of cholesterine, I have been able to examine into the truth of this supposition. The first circumstance necessary to be observed in the examination of this reaction, is to...
第 209 頁 - By this operation, which requires no superintendence, one hundred grammes of sal ammoniac might be separated as easily and safely as one gramme from five milligrammes of alkalies, and no loss of the latter be experienced. What remains in the capsule occupies a very small bulk. This is now dissolved in the capsule with a little water (the funnel must be washed with a little water), small quantities of a solution of carbonate of ammonia added, and the solution gently evaporated nearly to dryness.
第 153 頁 - W. ; and what is equally worthy of note, they dip, with scarcely an exception, towards the same quarter, or southeastwardly, though in some instances so steeply as to approach the perpendicular. " There is no marked difference in the general character of the vein-stones of the several mineral lodes, nor any features to distinguish as a class those of the red shale from those of the gneiss.
第 307 頁 - ... steel in a state of incandescence in a stream of oxygen gas. They were observed on a clear night at different distances ; and the body of light (without the bordering rays) compared with the disk of the moon, then nearly full, at 45° above the horizon.
第 217 頁 - This method ensures the obtaining of every particle of the alkalies in the mineral examined, requiring no more precaution than any good analyst is expected to take in the simplest of his processes ; and not the least of the advantages is the ready method of separating all the other ingredients, and the small accumulation of water arising from the little washing necessary. A Speedy Method of Separating the Alkalies directly from the LimeFusion, for both Qualitative and Quantitative Determination.