Wishbone (Torenia fournieri) flower that has had sodium hydroxide solution dropped on to its petal. Where the basic solution has hit, the petal has changed colour from purple to yellow. Many flowers act as indicators, changing colour on contact with acid or bases.
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Details
Creative#:
TOP14864027
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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