MacMunn, Charles Alexander · London, Churchill · leaf 34
stand, such as that repre-sented in fig. 3, turn on the light-flame by stopping upthe holes at the bottom of the tube, in the burner shownhere there is a ring at the bottom provided with four ALKALIES AND ALKALINE EAETHS. 13 apertures; by turning the tube round these are closed,and we get a visible… … ness of a sewing-needle, bend the end into a loop aboutthe g-th of an inch in diameter; fuse a small bead of thesalt (one of the alkalies or alkaline earths) to be ex-amined into the loop of the platinum wire, and bring thebead into that edge of the flame which is next the slitand a little below…
Spectrum analysis · Diagnosis, Spectroscopic
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