Grape juice indicator. Purple grape juice changes its color depending on the pH of the solution. Here grape juice was added to vinegar (mostly diluted acetic acid, CH3COOH). Vinegar is acidic and turns grape juice pink/red.
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Details
Creative#:
TOP22304624
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
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No
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