plaˈtos-, plaˈtoso- Chem.
Formative, shortened from platinoso-, forming names of compounds in which platinum is bivalent, as plaˈtosamine, NH2Pt, the ammonia-base supposed by Gerhardt to exist in the ammonio-platinous compounds (Watts); platosaˈmmonium, the group Pt. 2NH3 (as in platosammonium chloride, Pt. 2NH3Cl), platosodiaˈmmonium, the group Pt. 2N2H6 (as in platosodiammonium chloride, Pt. 2N2H6Cl).
| 1856 Miller Elem. Chem. II. 1066 Salts of Platosamine (Reiset's second base)..Hydrochlorate of platosamine (yellow) PtH3N.Cl. 1857 Ibid. III. 260 The two platinum bases from pyridine are:—Platinopyridine..Platosopyridine. 1865 Mansfield Salts 455 ‘Reiset's second Platinum base’..is supposed by Gerhardt to contain a body which he calls an alkali, ‘Platosamine’, NH2Pt. 1873 Watts Fownes' Chem. (ed. 11) 349 Platinum dichloride absorbs 2 molecules of ammonia, forming platosammonium chloride. |