Testing solution for pH.Universal indicator changes its color depending on the pH of the solution. Shown here is a universal indicator paper strip testing an unknown solution for pH. The strip color (green) is compared to the color matching chart indicating pH value of about 9 (alkaline solution).
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Details
Creative#:
TOP22294893
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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