The Elements of Blowpipe Analysis

by Frederick Hutton Getman

With Co(NO₃)₂____

12. Mercury, HgO.—Before the Bp. on Ch. Instantly reduced. Very volatile.

Before the Bp. on Ch. with Na₂CO₃. Reduced and volatilized.

In ignition tube with Na₂CO₃ and Ch. Sublimes condensing in the upper part of the tube as a metallic ring which is seen with the lens to consist of minute globules of mercury.

In flame on platinum wire____

With borax bead on platinum wire____

With Co(NO₃)₂____

13. Nickel, NiO.—Before the Bp. on Ch. In O. F. unchanged. In R. F. reduced to metal, slightly magnetic.

Before the Bp. on Ch. with Na₂CO₃. Easily reduced to the metal.