"pH of" vs "pH at"

Question

"pH of" vs "pH at"

Both phrases are correct, but they are used in different contexts. 'Ph at' is used when referring to a specific pH value at a certain location or point, while 'pH of' is used when discussing the pH value of a substance or solution.

Last Updated: March 22, 2024

Use 'pH of' when talking about the pH value of a substance or solution.

Examples:

What is the pH of this solution?
The pH of the soil is too acidic.
Can you measure the pH of the water?
The pH of the stomach is around 2.
We need to determine the pH of this substance.

Alternatives:

pH level of
pH value of

Use 'ph at' when specifying a particular pH value at a specific location or point.

Examples:

The pH at the center of the lake is 7.0.
What is the pH at the surface of the skin?
Measure the pH at the midpoint of the reaction.
The pH at the top of the mountain is very low.
We need to determine the pH at this specific point.

Alternatives:

pH level at
pH value at

Answer 1

pH of

This phrase is correct when discussing the pH value of a substance or solution.

Answer 2

pH at

This phrase is correct when referring to a specific pH value at a particular location or point.

"pH of" vs "pH at"

pH of

pH at

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