| 单词 | silicic acid |
| 例句 | After complete dissolution of sodium hydroxide, 2.5 g of silicic acid was added as the silica source. Ultra-selective high-flux membranes from directly synthesized zeolite nanosheets : Nature : Nature Research 2017-03-14T04:00:00Z In the body, if the silicon is thin enough, it degrades in the presence of water into silicic acid, which is not harmful to health, and even sold as a dietary supplement. New Medical Devices Vanish Inside You 2015-11-06T05:00:00Z A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z At the commencement of this article, it was stated that silicic acid, or silica, could be made soluble in water. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z By the simplest experiment, any one may satisfy himself that rain water filtered through field or garden soil does not dissolve out a trace of potash, silicic acid, ammonia, or phosphoric acid. Man and Nature or, Physical Geography as Modified by Human Action 2011-11-11T03:00:34.027Z Gels may be either rigid, as in the case of those of silicic acid, etc., or elastic, as are those of gelatin, egg-albumin, agar-agar, etc. The Chemistry of Plant Life These minerals, he claims, contain all the elements for the cultivation of plants: potash, chalk, magnesia, phosphoric, sulphuric and silicic acids, and also hydrochlorides. Woman under socialism This method is particularly effective in the preparation of silicic acid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" This white flocculent substance is silicic acid combined with the elements of water, and is therefore called by chemists hydrate of silica. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z Pour the silicic acid solution into a large porcelain basin. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. It is not only on the basic substances upon which it acts, but also on the phosphoric and silicic acids, which it sets free. Manures and the principles of manuring The ash is extraordinarily rich in silicic acid and alumina. Scientific American Supplement, No. 623, December 10, 1887 By adding hydrochloric acid to a dilute solution of an alkaline silicate, no precipitate will fall and the solution will contain hydrochloric acid, an alkaline chloride, and silicic acid. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" Here the sulphate, if it existed in the alkali, is decomposed by the silicic acid, and the sulphuric acid passes off through the flues of the reverberatory furnace. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z The silicic acid will fuse into a bead, which becomes clear when it is cold. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Water reacts most vigorously with it, producing silicic acid, and liberating hydrogen selenide. Scientific American Supplement, No. 841, February 13, 1892 If we consider the minerals as the foundation and mortar which give stability to the vital machine, leaving out chlorine and fluorine, we find that iron, manganese, potash, soda, and silicic acid play this role. Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration If the solution be transferred to a dialyser, the hydrochloric acid and alkaline chloride will pass through the parchment, while the silicic acid will be retained. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" Oxide of cobalt in very small quantities yields, with silicic acid, an intensely blue silicate. British Manufacturing Industries Pottery, Glass and Silicates, Furniture and Woodwork. 2012-02-26T03:00:18.883Z This is the escape of the carbonic acid of the carbonate of soda, while the silicic acid takes its place, forming a glass with the soda. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Next to solid silicic acid we must reckon carbonate of lime, and then the combinations of silicic acid with alumina, potash, and soda, with lime, magnesia, and oxyd of iron. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 It consists of clay, sand, silicic acid and gypsum. Scientific American Supplement, No. 821, September 26, 1891 Amorphous substances, such as ferric hydroxide, aluminium hydroxide, or silicic acid, separate in a gelatinous form and are relatively difficult to filter and wash. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes We could not select a more interesting example of the very wide diffusion of some compound substances than this one of silicic acid. The Atlantic Monthly, Volume 04, No. 21, July, 1859 The hydrate of baryta combines with the silicic acid, and forms the super-basic silicate of baryta, while the oxides become free. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations From silicic acid, by evaporation with hydrochloric acid. Scientific American Supplement, No. 324, March 18, 1882 By the simplest experiment, any one may satisfy himself that rain-water filtered through field or garden soil does not dissolve out a trace of potash, silicic acid, ammonia, or phosphoric acid. The Earth as Modified by Human Action Of the substances likely to occur in apatite, silicic acid alone interferes with the precipitation of the phosphoric acid in nitric acid solution. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes Next to quartz, which is nearly pure silica or silicic acid, the most important are those silicates commonly classed under the several heads of feldspar, mica, hornblende or augite, and olivine. The Student's Elements of Geology Titanic acid will fuse into the bead, but may be easily distinguished from the silicic acid by the bead remaining opaque when cold. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations In either case the product is called silicic acid. An Introduction to Chemical Science Immediate treatment of the fused mass with strong acid is likely to cause a semi-gelatinous silicic acid to separate at once and to inclose alkali salts or alumina. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes By disintegrating the fused mass with a considerable volume of dilute acid the silicic acid is at first held in solution to a large extent. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes This is usually partially dehydrated silicic acid and does not require further treatment at this point. An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes It exists in considerable quantity combined with carbonic, sulphuric, phosphoric, and silicic acids, etc. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations |
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