High-speed footage of caesium reacting explosively as it falls into cold water. Caesium (Cs) is an highly-reactive alkali metal element that reacts with water to produce the strong base caesium hydroxide, also releasing hydrogen gas. The caesium sinks and generates hydrogen gas so rapidly that shock waves form in the water, and the heat of the reaction boils some of the water into steam. Multiple explosions and shocks are seen at this speed. The indicator phenolphthalein was added to the water to highlight the reaction, as it turns from colourless to pink in the presence of the alkaline caesium hydroxide. Filmed at 2000 frames per second (slowed down 80 times). This clip features the chemical equation. For a version without this text, see clip K003 9275.
Details
WebID:
C01808521
Clip Type:
RM
Super High Res Size:
1920X1080
Duration:
00:01:15.000
Format:
QuickTime
Bit Rate:
25 fps
Available:
download
Comp:
200X112 (0.00 M)
Model Release:
NO
Property Release
No