Salt slurries in petri dishes with methanol are ignited and characteristic colors for various metals are observed. Colors of emission spectra are due to loosely-bound valence electrons being excited ...

Salt slurries in petri dishes with methanol are ignited and characteristic colors for various metals are observed. Colors of emission spectra are due to loosely-bound valence electrons being excited ...

I introduced into an oxyhydrogen flame, placed between the poles of a Ruhmkorff’s electromagnet, a filament of asbestos soaked in common salt. The light of the flame was examined with a Rowland ...