Spectrum Analysis -- Six Lectures1869 |
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Seite x
... TEMPERATURE ON THE SPECTRA.- SPECTRA OF COMPOUND BODIES . - ABSORPTION SPECTRA OF BLOOD AND OTHER COLOURED LIQUIDS . — APPLICATION TO THE MICROSCOPE 134 APPENDIX A. - ON THE SPECTRA OF SOME OF THE CHEMICAL ELEMENTS 157 APPENDIX B. - ON ...
... TEMPERATURE ON THE SPECTRA.- SPECTRA OF COMPOUND BODIES . - ABSORPTION SPECTRA OF BLOOD AND OTHER COLOURED LIQUIDS . — APPLICATION TO THE MICROSCOPE 134 APPENDIX A. - ON THE SPECTRA OF SOME OF THE CHEMICAL ELEMENTS 157 APPENDIX B. - ON ...
Seite 45
... temperature of the wire gradually until I raise it to the melting point of platinum . The first thing we observe when a solid body , such as this wire , is heated , is that it becomes red hot , and that as we increase the temperature ...
... temperature of the wire gradually until I raise it to the melting point of platinum . The first thing we observe when a solid body , such as this wire , is heated , is that it becomes red hot , and that as we increase the temperature ...
Seite 46
... temperature is increased , blue rays are given off , and these can pass through the blue glass , as you now plainly see when I increase the temperature of the wire . Here I can increase the tem- perature of the wire until we get at a ...
... temperature is increased , blue rays are given off , and these can pass through the blue glass , as you now plainly see when I increase the temperature of the wire . Here I can increase the tem- perature of the wire until we get at a ...
Seite 51
... temperature . Here I have the means of igniting some sodium salt at various temperatures . I have in the first place the bluish flame of burning sulphur , one of the coldest flames we can obtain , the temperature being only 1,820 ...
... temperature . Here I have the means of igniting some sodium salt at various temperatures . I have in the first place the bluish flame of burning sulphur , one of the coldest flames we can obtain , the temperature being only 1,820 ...
Seite 52
... temperature of this flame is some- what higher , and has been calculated at 3,042 ° . If I bring a little common salt ( sodium chloride ) into these flames , you observe that in all cases we get the flame coloured yellow . I have here a ...
... temperature of this flame is some- what higher , and has been calculated at 3,042 ° . If I bring a little common salt ( sodium chloride ) into these flames , you observe that in all cases we get the flame coloured yellow . I have here a ...
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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