| 1 | Pectins are demonstrated by staining with ruthenium red. | |
| 2 | This metal complex's core element is ruthenium . | |
| 3 | For even greater stability, the hexagonal structure of ruthenium is used. | |
| 4 | Black tote bag in patent calfskin with a creased effect. Decorative ruthenium-plated plate with a large facetted clear crystal. Magnetic closure. | |
| 5 | Ruthenium (Ru): Like platinum and palladium, ruthenium is a silvery metal that does not easily tarnish. |