Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
History
Page
Illustration of the Walden reductor. Copper from a wire is displaced by silver from a silver nitrate solution it is dipped into, and metallic silver c
Illustration of the Walden reductor. Copper from a wire is displaced by silver from a silver nitrate solution it is dipped into, and metallic silver crystals precipitate onto the copper wire.
Crystals of meso-tetratolylporphyrin from a reflux of propionic acid precipitate on cooling. Photograph of the Büchner funnel on top of a Büchner flas
Crystals of meso-tetratolylporphyrin from a reflux of propionic acid precipitate on cooling. Photograph of the Büchner funnel on top of a Büchner flask.
Page
Nile red at daylight (top row) and UV-light (second row) in different solvents. From left to right: 1. Water, 2. Methanol, 3. Ethanol, 4. Acetonitrile
Nile red at daylight (top row) and UV-light (second row) in different solvents. From left to right: 1. Water, 2. Methanol, 3. Ethanol, 4. Acetonitrile, 5. Dimethylformamide, 6. Acetone, 7. Ethylacetate, 8. Dichlormethane 9. n-Hexane, 10. Methyl-tert-Butylether, 11. Cyclohexane, 12. Toluene. Photographer: Armin Kübelbeck, CC-BY-SA, Wikimedia Commons