Indicating pH value

Introduced: January 1980

Last revised: January 2006

Full Title

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light > Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated > by observing the effect on a chemical indicator > producing a change of colour > Indicating pH value

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Related Keywords

ACIDIMETERSdetermining pH VALUE