Close-up timelapse footage of a piece of red cabbage (Brassica oleracea) in a solution of alkaline sodium hydroxide, showing the change in colour. The anthocyanin pigment chemical in this plant acts as a natural acid-base indicator, here seen to change colour to yellow in alkali. This clip has been sped up 40 times. See clip K004 5184 for the cabbage in an acid.
Details
WebID:
C01839999
Clip Type:
RM
Super High Res Size:
1920X1080
Duration:
00:00:15.000
Format:
QuickTime
Bit Rate:
23 fps
Available:
download
Comp:
200X112 (0.00 M)
Model Release:
NO
Property Release
No