Spectrum Analysis -- Six Lectures1869 |
Im Buch
Ergebnisse 1-5 von 37
Seite xiv
... STRONTIUM SEEN WITH INTENSE SPARK 144 37. - SPECTRUM OF CALCIUM COMPOUNDS COMPARED WITH THAT OF THE 36 . METAL 145 • 38. - SELECTIVE ABSORPTION BY IODINE VAPOUR AND BY NITROUS FUMES 150 39. - CHROMIUM ABSORPTION SPECTRUM 151 • 151 40 ...
... STRONTIUM SEEN WITH INTENSE SPARK 144 37. - SPECTRUM OF CALCIUM COMPOUNDS COMPARED WITH THAT OF THE 36 . METAL 145 • 38. - SELECTIVE ABSORPTION BY IODINE VAPOUR AND BY NITROUS FUMES 150 39. - CHROMIUM ABSORPTION SPECTRUM 151 • 151 40 ...
Seite 49
... strontium colour the flame crimson , and those of barium produce a green tint , and calcium compounds impart a red colour to flame . Here we have the beautiful non - luminous gas flame produced by the combustion of coal gas mixed with ...
... strontium colour the flame crimson , and those of barium produce a green tint , and calcium compounds impart a red colour to flame . Here we have the beautiful non - luminous gas flame produced by the combustion of coal gas mixed with ...
Seite 51
... strontium , and calcium , the colours imparted by these substances will be rendered evident . Again , I have another ... strontium in coal gas ; we must melt the salt and then plunge it into the jar of burning coal gas , when we get this ...
... strontium , and calcium , the colours imparted by these substances will be rendered evident . Again , I have another ... strontium in coal gas ; we must melt the salt and then plunge it into the jar of burning coal gas , when we get this ...
Seite 57
... strontium ( No. 10 ) , and barium ( No. 11 ) , together with the two new metals rubidium and cæsium ( Nos . 3 and 4 ) , discovered by Bunsen , about which I shall speak in my next lecture ; also the spectra of thallium and indium ( Nos ...
... strontium ( No. 10 ) , and barium ( No. 11 ) , together with the two new metals rubidium and cæsium ( Nos . 3 and 4 ) , discovered by Bunsen , about which I shall speak in my next lecture ; also the spectra of thallium and indium ( Nos ...
Seite 58
... strontium , calcium , and barium : suffice it to say that they each yield peculiar bright bands , perfectly characteristic of the metal in question , as is seen at once by reference to the drawings.1 1 For the purpose of enabling any ...
... strontium , calcium , and barium : suffice it to say that they each yield peculiar bright bands , perfectly characteristic of the metal in question , as is seen at once by reference to the drawings.1 1 For the purpose of enabling any ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
absorption alkaline Ångström apparatus appear Appendix bands barium bodies bright bands bright lines Bunsen cæsium calcium carbon chemical action Chemical Elements chloride coincident colour comet compounds contains continuous spectrum dark lines detected diagram didymium electric spark elements emitted employed examination exhibits existence experiments eyepiece flame Fourth Series Fraunhofer Fraunhofer's gaseous gases give green heated Huggins hydrochloric acid hydrogen hydrogen line incandescent inch instrument intensity iron Kirchhoff lecture lens light lithium luminous magnesium Major Tennant measures metallic lines milligramme millimetre motion nebula nitrogen object-glass observed obtained oxygen pass peculiar Phil placed plate platinum portion position potassium presence prism produced rays reaction red line refracting refrangible rubidium salt scale seen Sirius slit soda sodium sodium line solar atmosphere solar spectrum spectra spectroscope spectrum analysis stellar strontium substance sun's telescope temperature thallium tube vapour violet visible volatile whilst wire