pH testing

Checking solution acidity

pH testing is the measurement of acidity or alkalinity in a substance, expressed on a scale from 0 (most acidic) to 14 (most alkaline), with 7 being neutral.

Common applications include testing pool water, soil, aquariums, and bodily fluids.

Methods range from simple litmus paper strips to digital meters: The pH testing showed the pool was too acidic.

Opposites
measurement type

pH testingtemperature measurement

Assessing thermal degree

colorimetry · spectroscopy

precision methodology

pH testingguesswork

Conclusions drawn without proof

estimation · taste testing · visual inspection · rule of thumb

analytical approach

pH testingvisual inspection

Examination by sight alone

smell test · taste test

Family

testing

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Rated G