Smithsonian Miscellaneous CollectionsSmithsonian Institution, 1883 - 20 páginas |
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Página 8
... Determined by dissolving aluminium in chlorhydric acid , evaporating to dryness with excess of nitric acid and de- composing the nitrate by heat . The aluminium employed contained 0.135 per cent . sodium . 1.935 of this metal gave 3.645 ...
... Determined by dissolving aluminium in chlorhydric acid , evaporating to dryness with excess of nitric acid and de- composing the nitrate by heat . The aluminium employed contained 0.135 per cent . sodium . 1.935 of this metal gave 3.645 ...
Página 9
... determined by Mitscherlich , Loe- wig and Schweizer and others , it is certain that the atomic weight must be about ... Determined by experiments on the reduction of native antimonic ter - sulphide in a current of hydrogen . The only ...
... determined by Mitscherlich , Loe- wig and Schweizer and others , it is certain that the atomic weight must be about ... Determined by experiments on the reduction of native antimonic ter - sulphide in a current of hydrogen . The only ...
Página 11
... Determined by analysis of sodium sulph - antimonate , ( Schlippe's Salt . ) ( Kopp's Jarresbericht , 1871 , 325 ; Arch . der Pharm . , ( 2 , ) 147 , 193 ; 148 , 1. ) A single determination by a method from which great accuracy could not ...
... Determined by analysis of sodium sulph - antimonate , ( Schlippe's Salt . ) ( Kopp's Jarresbericht , 1871 , 325 ; Arch . der Pharm . , ( 2 , ) 147 , 193 ; 148 , 1. ) A single determination by a method from which great accuracy could not ...
Página 12
... determined by Dumas , Mitscherlich , Bunsen , and others , prove that the atomic weight of this element must be in ... determination of atomic weights , will be referred to as " Pelouze's method . " pletely in chlorine , and boiled ...
... determined by Dumas , Mitscherlich , Bunsen , and others , prove that the atomic weight of this element must be in ... determination of atomic weights , will be referred to as " Pelouze's method . " pletely in chlorine , and boiled ...
Página 13
... Determined by four experiments on the titration of arsenic ter - chloride with argentic nitrate , the ter - chloride being prepared in several lots . The number is the mean of the experiments ; the extreme difference being 0.15 . Dumas ...
... Determined by four experiments on the titration of arsenic ter - chloride with argentic nitrate , the ter - chloride being prepared in several lots . The number is the mean of the experiments ; the extreme difference being 0.15 . Dumas ...
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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.