 High-grade clays show a percentage of silica, alumina, and water, approaching quite closely to those of kaolinite. 2. The refractoriness of the clay, for, other things being equal, the greater the total sum of fluxing impurities, the more fusible the...  Annual Reports of the Secretary of War - Seite 441von United States. War Department - 1909Vollansicht - Über dieses Buch
 | 1907 - 616 Seiten
...the rough state, but by grinding and décantation it may lie separated from ite impurities. Kies " in summing up the facts obtainable from the ultimate...High-grade clays show a percentage of silica, alumina nnd water, approaching quite closely to those of kaolinite. 2. The refractoriness of the clay for,... | |
 | Heinrich Ries - 1908 - 584 Seiten
...that there may be exceptions to every case, which do not necessarily render the conclusions worthless. 1. The purity of the clay, showing the proportions...silica, alumina, combined water and fluxing impurities present. High grade clays often show a percentage of silica, alumina and chemically combined water... | |
 | HEINRICH. RIES - 1908 - 612 Seiten
...that there may be exceptions to every case, which do not necessarily render the conclusions worthless. 1. The purity of the clay, showing the proportions...silica, alumina, combined water and fluxing impurities present. High grade clays often show a percentage of silica, alumina and chemically combined water... | |
 | Oklahoma Geological Survey - 1911 - 322 Seiten
...the clay, showing proportions of silica, alumina, combined water and fluxing impurities. High grade clays show a percentage of silica, alumina, and water, approaching quite closely to those of kaolin. "2. The refractoriness of the clay, for other things being equal, the greater the total sum... | |
 | Oklahoma Geological Survey - 1911 - 328 Seiten
...the clay, showing proportions of silica, alumina, combined water and fluxing impurities. High grade clays show a percentage of silica, alumina, and water, approaching quite closely to those of kaolin. "2. The refractoriness of the clay, for other things being equal, the greater the total sum... | |
 | Oklahoma Geological Survey - 1911 - 320 Seiten
...the clay, showing proportions of silica, alum.ua, combined water and fluxing impurities. High grade clays show a percentage of silica, alumina, and water, approaching quite closely to those of kaolin. "2. The refractoriness of the clay, for other things being equal, the greater the total sum... | |
 | Kentucky Geological Survey, Kentucky. State Geologist - 1913 - 646 Seiten
...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,... | |
 | Kentucky. State Geologist, Kentucky Geological Survey - 1913 - 644 Seiten
...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,... | |
 | 1913 - 644 Seiten
...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,... | |
 | 1908 - 612 Seiten
...information from it as possible. The facts obtainable from it may be chiefly summed up as follows: 1. The purity of the clay, showing the proportions...silica, alumina, combined water and fluxing impurities. High grade clays, such as kaolins, ball clays and some fire clays, show a percentage of silica, alumina... | |
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