Universal indicator changes its color depending on the pH of the solution. Shown here are the universal indicator paper strips and the color matching chart that helps to determine specific pH value.

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Creative#:

TOP22294307

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

Same folder images:

Same folder images