acid-base indicator

English

Noun

Wikipedia has an article on:

PH indicator

Wikipedia acid-base indicator (plural acid-base indicators)

1. (chemistry) A substance that shows the acidity or alkalinity of a solution by its colour.

Synonyms

• pH indicator

See also

• bromocresol purple
• bromophenol blue
• bromothymol blue
• congo red
• indigo carmine
• litmus
• methyl orange
• methyl violet
• phenolphthalein
• phenol red
• thymol blue
• thymolphthalein