Smithsonian Miscellaneous CollectionsSmithsonian Institution, 1883 - 20 páginas |
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Página 30
... collected in tubes filled with pumice stone moistened with sulphuric acid , Liebig potash- bulbs and tubes filled with dry potash . The mean of the experiments on graphite gave C74.982 ; those on dia- mond gave 75.005 ; the extreme ...
... collected in tubes filled with pumice stone moistened with sulphuric acid , Liebig potash- bulbs and tubes filled with dry potash . The mean of the experiments on graphite gave C74.982 ; those on dia- mond gave 75.005 ; the extreme ...
Página 37
... collected in tubes filled with calcic chloride , and the carbonic acid in potash . Five ex- periments in which the cerium oxide was not determined gave a mean of 94.1304 , on the supposition that cerous oxide contains 1 atom of oxygen ...
... collected in tubes filled with calcic chloride , and the carbonic acid in potash . Five ex- periments in which the cerium oxide was not determined gave a mean of 94.1304 , on the supposition that cerous oxide contains 1 atom of oxygen ...
Página 40
... collected in a condenser to which drying tubes were appended . ( Paris Comptes Rendus , 14 , 1842 , 570. ) = 100 ) . A. LAURENT : 35.468 ( 0 = 16 ) ; 221.672 ( 0 = Determined by three analyses of chloronaphthalintetrach- loride , which ...
... collected in a condenser to which drying tubes were appended . ( Paris Comptes Rendus , 14 , 1842 , 570. ) = 100 ) . A. LAURENT : 35.468 ( 0 = 16 ) ; 221.672 ( 0 = Determined by three analyses of chloronaphthalintetrach- loride , which ...
Página 42
... collected and taken into consideration , and the wash - water was carefully examined for silver . Two analyses ( of about 140 and 260 grammes ) gave for the molecular weight of the chloride 143.383 and 143.407 , mean 143.395 . A variety ...
... collected and taken into consideration , and the wash - water was carefully examined for silver . Two analyses ( of about 140 and 260 grammes ) gave for the molecular weight of the chloride 143.383 and 143.407 , mean 143.395 . A variety ...
Página 82
... collected , dried and weighed . [ These experiments recalculated give 199.423 and 199.289 . ] The mercuric chloride was purified by recrystallization . Weighings reduced to vacuum . ( Phil . Trans . , 123 , 1833 , 535. ) ERDMANN AND ...
... collected , dried and weighed . [ These experiments recalculated give 199.423 and 199.289 . ] The mercuric chloride was purified by recrystallization . Weighings reduced to vacuum . ( Phil . Trans . , 123 , 1833 , 535. ) ERDMANN AND ...
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Términos y frases comunes
66 Mean acetate AgCl ammonium analyses anhydrous Annal antimony argentic chloride argentic nitrate atomic weight barium chloride BaSO bromide calcium calculated carbon di-oxide cent cerium Chem chemists Chim chlo chlorate chlorhydric acid cobalt current of hydrogen decomposed decomposition deduced didymium dissolved dried Dumas erbium Erdmann and Marchand Erdmann's Journ estimated evaporated extreme difference figures five experiments four experiments gave give Gmelin-Kraut grammes Hence hydrochloric acid ignited impurity iodide J. J. BERZELIUS Jahresbericht known weight Lehrbuch Liebig's Ann Marignac mean result metal method molecular weight Museum nickel nitric acid obtained oxalate oxalic acid oxide oxygen percentages Pharm Phil Phys platinum Poggend potassic potassium chloride Prak Prakt precipitated prepared probable error proportional to 100 pure purified quantities ratio recrystallization Regnault Rend residue salt silver chloride Smithsonian Institution sodium solution specific heat Stas sulphide sulphuric acid third column three experiments tion woodcuts yttrium
Pasajes populares
Página 23 - Bibliographical Index to North American Botany ; or, Citations of Authorities for all the recorded Indigenous and Naturalized Species of the Flora of North America; with a Chronological
Página 31 - Catalogue of the Fishes of the Bermudas. Based chiefly upon the collections of the United States National Museum.
Página 133 - This work is one of a series devoted to the discussion and more precise determination of various 'constants of nature,' and forms the fifth contribution to that subject published by this Institution. •'The first number of the series, embracing tables of 'Specific gravities' and of 'Melting and boiling points of bodies,' prepared by the same author, Prof.
Página 35 - List of the fishes of the Pacific coast of the United States, with a table showing the distribution of the species.
Página 6 - Regents resolved to divide the annual income, thirty thousand nine hundred and fifty dollars, into two equal parts : one part to be devoted to the increase and diffusion of knowledge by means of original research and publications; the other half of the income to be applied, in accordance with the requirements of the act of Congress, to the gradual formation of a library, a museum, and a gallery of art.
Página 19 - Problems of Rotary Motion presented by the Gyroscope, The Precession of the Equinoxes, and The Pendulum.
Página 6 - The members and honorary members of this establishment are to hold stated and special' meetings for the supervision of the affairs of the Institution, and for the advice and instruction of a Board of Regents, to whom the financial and other affairs are entrusted.
Página 35 - Notice of Smithson's researches. Extracts from Smithson's scientific writings. Catalogue of the library of Smithson. Notice of the city of Washington, in Harriott's travels. Notice of the city of Washington, in Weld's travels.
Página 10 - January, 1866. 8vo., pp. 12. (MC vn.) 204. Results of meteorological observations made at Brunswick, Maine, between 1807 and 1859.
Página ix - Catalogue of publications of Societies and of other periodical works in the library of the Smithsonian Institution, July 1, 1858. Foreign works. 1859.