In ignition tube with Na2CO3 and Ch. Reduced to the metal.
In flame on platinum wire. Tinges flame blue.
With borax bead on platinum wire. In O. F. dissolves easily, forming a limpid glass.
With Co(NO3)2____
11. Manganese, Mn2O3.—Before the Bp. on Ch. At high temperature turns red.
Before the Bp. on Ch. with Na2CO3. Is not reduced.
Before the Bp. in O. F. on platinum foil with Na2CO3. Transparent green mass when hot. Opaque, bluish-green when cold.
In ignition tube with Na2CO3 and Ch. Not reduced.
In flame on platinum wire____
With borax bead on platinum wire. In O. F. violet-red while hot, amethyst-red when cold.