Sagot :
Answer:
1.Metal-electrode methods (including the hydrogen-electrode method, quinhydron-electrode method and antimony-electrode method)
2.Glass-electrode methods.
3.Semiconductor sensor methods.
Answer:
Ways of Measuring pH
•Indicator methods.
•Metal-electrode methods (including the hydrogen-electrode method, quinhydron-electrode method and antimony-electrode method)
•Glass-electrode methods.
•Semiconductor sensor methods
I hope it hepls