Transactions of the American Ceramic Society,; Containing the Papers Read at the Meeting ... Together with Supplementary Discussions and Other Matters Volume 9

Transactions of the American Ceramic Society,; Containing the Papers Read at the Meeting ... Together with Supplementary Discussions and Other Matters Volume 9

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 edition. Excerpt: ...of color changes and accurate comparisons of color is a much to be desired field of investigation, as has been brought out in this Society. The subject can be approached only by accurate colorimeter comparisons with as pure a set of colored glass slides as it is possible to produce. Opalescence could be studied in a manner similar to the study of turbidity in water by means of standard lamps and tubes, and of course is especially suited for microscopic investigation. Fluorescence. It has recently been found by Berthelot that radium rays impart to some minerals like quartz peculiar colors which disappear on heating the mineral. The subject is, of course, too new for discussion. The index of refraction and its relation to the total optical properties, the composition and physical properties of glass have been so exhaustively treated in the work of Schott and his associates at Jena that it would seem 1 Alex. Findlay, The Phase Rule. superfluous to do more than call attention to the results of these investigators. The study of the spectra of glasses goes hand in hand with the above optical investigations, though there is still much to do in this field. Polarization and all other optical reactions are, of course, included in the microscopic study of rocks. The electrical conductivity of fused silicates is a field almost untouched, owing to the considerable experimental difiiculties. We know that most silicates are electrolytes, but the data at hand is almost nil. Electrolysis has been used in the study of the aqueous decomposition of silicates, as is shown by the work of Cushman in our own transactions. PHYSICAL CHEMICAL LAWS. Having this enumerated in a hasty manner the various methods of attack upon ceramic physical-chemical problems, it...
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Product details

  • Paperback | 174 pages
  • 189 x 246 x 9mm | 322g
  • Rarebooksclub.com
  • English
  • Illustrations, black and white
  • 1236807987
  • 9781236807984