You can, with Kallitype, start with a noble metal, silver, which can be toned with the more noble metals gold, palladium and platinum, and through double or triple toning produce prints with split tones.
These metals include platinum, palladium , and rhodium.
To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium , osmium, iridium and platinum.
There is a growing interest in the assessment of health risks posed by increased human exposure to some platinum group metals, namely platinum, rhodium and palladium .
References to the bird are peppered throughout Guatemala's national anthem, in which the quetzal is compared with the condor and the royal eagle and is described as a palladium or protector of the soil.
Vixum is best remembered for installing the Phra Bang as the palladium (protector) of the Lan xang kings.
The philosophy of Descartes established this principle, which is the palladium of science; and thus the third preliminary condition was fulfilled.
But since it was divested of most of its assets, it now concentrates on mining rare metals such as platinum, palladium and rhodium in Africa and other regions.
The icon of the Virgin of Vladimir acts in a similar way as a palladium of the Russian Church and state.
he regarded himself as the palladium of the American cause