About: acid-base indicator

Premodifier: acid-base
Head noun: indicator

Same concepts
http://dbpedia.org/resource/PH_indicator

Broader concepts

label	provenance	confidence
substance	isap:351126295	0.622923

Narrower concepts

label	provenance	confidence
bromothymol blue	isap:288939491	0.616408
bromocresol green	isap:334722171	0.554780
phenolphthalein	isap:97767411	0.474598