Smithsonian Miscellaneous CollectionsSmithsonian Institution, 1883 - 20 páginas |
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Página 9
... extreme difference , 0.078 ; and 28.52 per cent . sulphur . The atomic weight was cal- culated from the mean for S = 200 . ( Poggend . Ann . , 98 , 1856 , 293. ) Schneider published a preliminary note in Poggend . Ann . , 97 , 1856 ...
... extreme difference , 0.078 ; and 28.52 per cent . sulphur . The atomic weight was cal- culated from the mean for S = 200 . ( Poggend . Ann . , 98 , 1856 , 293. ) Schneider published a preliminary note in Poggend . Ann . , 97 , 1856 ...
Página 10
... different methods , and was dissolved in water acidulated with tartaric acid . Seven experiments gave an average of 121.975 ; extreme difference , 0.69 . Ag = 108 ; Cl35.5 . ( Ann . de Chim . et de Phys . , ( 3 , ) 1859 , 175. ) F ...
... different methods , and was dissolved in water acidulated with tartaric acid . Seven experiments gave an average of 121.975 ; extreme difference , 0.69 . Ag = 108 ; Cl35.5 . ( Ann . de Chim . et de Phys . , ( 3 , ) 1859 , 175. ) F ...
Página 11
... extreme difference , 1.01 . The mean of weighings of sulphide heated to 210 ° gave Sb 120.295 ; extreme difference , 1.07 . General mean Sb = 120.145 . Fifteen analyses of antimonious bromide gave the Br contents at 66.6665 per cent ...
... extreme difference , 1.01 . The mean of weighings of sulphide heated to 210 ° gave Sb 120.295 ; extreme difference , 1.07 . General mean Sb = 120.145 . Fifteen analyses of antimonious bromide gave the Br contents at 66.6665 per cent ...
Página 12
... extreme difference , 0.8 . Ag 1349.01 ; Cl 443.2 . The ter - chloride was repeatedly distilled to free it from excess of chlorine . It was colorless , dissolved com- = = * This method , which has been frequently employed in the ...
... extreme difference , 0.8 . Ag 1349.01 ; Cl 443.2 . The ter - chloride was repeatedly distilled to free it from excess of chlorine . It was colorless , dissolved com- = = * This method , which has been frequently employed in the ...
Página 13
... extreme difference being 0.15 . Dumas takes Ag = 108 ; Cl = 35.5 . ( Annal . de Chimie et de Physique , ( 3 , ) 55 , 1859 , 174. ) F. KESSLER : 75.2 ( 0 = 16 ) . In six experiments arsenious acid was titrated with potas- sic bichromate ...
... extreme difference being 0.15 . Dumas takes Ag = 108 ; Cl = 35.5 . ( Annal . de Chimie et de Physique , ( 3 , ) 55 , 1859 , 174. ) F. KESSLER : 75.2 ( 0 = 16 ) . In six experiments arsenious acid was titrated with potas- sic bichromate ...
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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.