They might show up as slightly acidic or slightly alkaline because of this. The pH scale measures how strongly acidic or alkaline a solution is using a set of values from pH 0 to pH 14.

Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale goes from 0 to 14 with pH 7 as the neutral point. As the amount of hydrogen ions in the soil increases the ...

Some of the challenges while measuring pH in shampoo include the following. Transcription errors and data handling: Manual ...