20 Prof. Schinbein on the Allotropic Modifications of Oxygen. 
Ozonized oxygen, as produced from common oxygen by the 
The whole of the oxygen of the oxyds of the precious metals 
exists in the ozonic state, whilst in the rest of the oxy-compounds ~ 
named, only part of their oxygen is in that condition. [call 
that oxygen negatively-active, or ozone par excellence, and give 
it the sign —O on account of its electromotive bearing. Though 
generally disinclined to coin new terms, I think it convenient 0 — 
denominate the whole class of the oxy-compounds containing — 
° 
| ium, strontium, and the rest of the alkaline” 
metals; and on this occasion I must not omit to add, that what : 
Ihave hitherto called ozonized oil of turpentine, ether, &c., col” 
1. Free ozonized oxygen —(—0), and peroxyd of hydro- 
n =HO+(+6), or peroxyd of barium = BaO+(+0) (the 
Fitter suspended in water), on being shaken together destroy each 
other, HO+(4-6) or BaO+(+0) being reduced to HO or Ba, 
and +0 and —O transformed into O. a 
2. Aqueous permanganic acid =Mn?0*+5(—6), or a solution 
of permanganate of potash mixed with some Saat. nitric acid is 
almost instantaneously discolored by peroxyd of hydrogen oF 
