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" ... the centrifugal method in general use. In brief, the centrifugal method in general use is as follows : the soil is carefully sampled and a part of the sample which passes through a 2-millimeter sieve is used for analysis. Five grams are usually taken... "
A Treatise on Diagnostic Methods of Examination - Page 532
de Hermann Sahli - 1905 - 1008 pages
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The Chemical Gazette, Volume 9

1851 - 520 pages
...residue consists of a viscid mixture of a blackish-brown acid resin and absinthine. On treating it with water to which a few drops of ammonia have been added, the black smeary resin is principally taken up, and the greater portion of the absinthiue left behind....
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The Chemical Gazette, Or, Journal of Practical Chemistry, in All ..., Volume 9

William Francis, Henry Croft - 1851 - 496 pages
...residue consists of a viscid mixture of a blackish-brown acid resin and absinthine. On treating it with water to which a few drops of ammonia have been added, the black smeary resin is principally taken up, and the greater portion of the absinthine left behind....
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Transactions of the Pharmaceutical Meetings, Volume 11

1852 - 620 pages
...residue consists of a viscid mixture of a blackishbrown acid resin and absinthir.e. On treating it with water, to which a few drops of ammonia have been added, the black smeary resin is principally taken up, and the greater portion of the absinthine left behind....
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Principles of Organic and Physiological Chemistry

Carl Löwig - 1853 - 502 pages
...finely-ground orcin stand under a bell glass with aqueous ammonia, until a dark fluid is formed, dilute with water, to which a few drops of ammonia have been added, and precipitate the orce'in from the reddish violet solution by acetic acid. A dark- brown powder;...
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A System of Instruction in Quantitative Chemical Analysis

C. Remigius Fresenius - 1854 - 652 pages
...mixture stand covered for twelve hours in a moderately warm place, filter, and wash the precipitate with water to which a few drops of ammonia have been added. The precipitate, which contains the baryta, strontia, and lime, is treated as directed in § 122 ;...
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Instruction in chemical analysis, quantitative [tr. and] ed. by J.L. Bullock

Carl Remigius Fresenius - 1860 - 764 pages
...the mixture stand covered for 12 hours in a moderately warm place, filter, and wash the precipitate with water to which a few drops of ammonia have been added. The precipitate, which contains the baryta, strontia, and lime, is treated as directed in § 154 ;...
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An Elementary Manual of Qualitative Chemical Analysis

Maurice Perkins - 1867 - 84 pages
...until the fluid smells distinctly of it. A PRECIPITATE IS FORMED, BlSMUTH OR MERCURY. Filter and wash with water, to which a few drops of Ammonia have been added. THE FILTRATE is COLOURLESS. Pass on to (/), for Copper is not present. (To be sure that there may not...
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A System of Instruction in Quantitative Chemical Analysis

C. Remigius Fresenius - 1870 - 662 pages
...excess, let the mixture stand covered for 2 hours in a warm place, filter, and wash the precipitate with water to which a few drops of ammonia have been added. The precipitate contains the baryta, strontia, and limef the filtrate the magnesia and the alkalies....
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Quantitative Chemical Analysis, Volume 1

C. Remigius Fresenius - 1876 - 544 pages
...the mixture stand covered lor an hour in a moderately warm place, filter, and wash the precipitate with water to which. a few drops of ammonia have been added. The precipitate contains the baryta, strontia, and lime ; the filtrate the magnesia and the alkalies....
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Hand-book of Indian Agriculture

Nitya Gopal Mukerji - 1901 - 930 pages
...budding in the calf, the hair should be clipped from the skin all round and the little horn moistened with water to which a few drops of ammonia have been added to dissolve the secretion of the skin, that the potash subsequently applied may adhere to the surface...
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