 | Royal Dublin Society - 1866 - 602 pages
...brought into the flame, and the spectra produced observed. At first the bright yellow sodium line Nao appeared, with a background formed by a nearly continuous...the sodium line the faint red potassium line, Ka, was noticed ; whilst the two barium lines, with their peculiar form, became visible in the proper position.... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...most ^ v of a milligramme of each of these salts, was brought into the flame, and the spectra produced were observed. At first the bright yellow sodium line,...fade, the exactly defined bright red line of lithium, Li a, was seen; and still further removed from the sodium line the faint red potassium line, Ka a,... | |
 | sir Henry Enfield Roscoe - 1870 - 452 pages
...into the flame, and the spectra produced were observed. At first the bright yellow sodium line, Na a, appeared with a background formed by a nearly continuous...fade, the exactly defined bright red line of lithium, Li a, was seen, and still further removed from the sodium line the faint red potassium line, Kaa, was... | |
 | sir Henry Enfield Roscoe - 1873 - 550 pages
...into the flame, and the spectra produced were observed. At first the bright yellow sodium line, Na a, appeared with a background formed by a nearly continuous...fade, the exactly defined bright red line of lithium, Li a, was seen, and still further removed from the sodium line the faint red potassium line. Ka a,... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1879 - 590 pages
...most r Vth of a milligram of each of these salts, was brought into the flame, and the spectra produced were observed. At first the bright yellow sodium line,...soon as this line began to fade, the exactly defined red line of lithium, Li«, was seen, and still further removed from the sodium line the faint red potassium... | |
 | Henry Enfield Roscoe - 1884 - 588 pages
...most r Vth of a milligram of each of these salts, was brought into the flame, and the spectra produced were observed. At first the bright yellow sodium line,...soon as this line began to fade, the exactly defined red line of lithium, Li a, was seen, and still further removed from the sodium line the faint red potassium... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1884 - 524 pages
...into the flame, and the spectra produced were observed. At first the bright yellow sodium line, Na, appeared with a background formed by a nearly continuous...pale spectrum ; as soon as this line began to fade, rtie exactly defined red line of lithium, Li a, was seen, and still further removed from the sodium... | |
 | 1861 - 410 pages
...spectra produced observed. At first, the bright yellow sodium line Nan appeared with a back ground formed by a nearly continuous pale spectrum. As soon...fade, the exactly defined bright red line of lithium Lio was seen ; and still further removed from the sodium line, the faint red potassium line Ka was... | |
 | 1860 - 1076 pages
...into the flame, and the spectra produced were observed. At first the bright yellow sodium line Na a. appeared, with a background formed by a nearly continuous...fade, the exactly defined bright red line of lithium Li « was seen ; and still further removed from the .sodium line the faint red potassium line Kaa was... | |
 | 1862 - 846 pages
...mostone-tenthousandth part of a grain of each of these salts, was brought into the flame, and the spectra produced observed. At first, the bright yellow sodium line Naa appeared with a back ground formed by a nearly continuous pale spectrum. As soon ns this line began to fade, the exactly... | |
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were observed. At first the bright yellow sodium line Naa, appeared with a background formed by a nearly continuous pale spectrum ; as soon as this line began to fade, the exactly defined bright red line of lithium, Lia, was seen; and still further removed... 