...by dark iutervals. not to meution an orange and a very definite bright blae ray. The lithia eshibits one single red ray. Hence I hesitate not to say that...portions of these two substances from each other with as mach certaiuty. if not more. than any other known method,8 ' But despite such farsighied prophesies....

...each other by dark intervals" exist, whereas in lithium he observed but one red ray. He concluded, "Hence, I hesitate not to say that optical analysis can distinguish the minutest portions of those two substances from each other with as much certainty, if not more, than any other known method."...

...number of red rays well separated from each other by dark intervals, not to mention an orange, and a very definite bright blue ray. The lithia exhibits...certainty, if not more, than any other known method. 6. On the Flame of Cyanogen. For the opportunity of examining the optical characters of this flame,...

...same physicist, after a striking description of the spectra of lithium and strontium, continues — " Hence I hesitate not to say that optical analysis...certainty, if not more, than any other known method." In these expressions the idea of " chemical analysis by spectrum-observations" is most clearly put...

...number of red rays, well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits...can distinguish the minutest portions of these two subitancesfroai each other with as much certainty, if not »юге, than any other known method. He...

...number of red rays, well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits...hesitate not to say that optical analysis can distinguish tic minutest portions of these two substances from each other with as much certainty, if not more,...