Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of P H-pt#Sense
P H-it#Sense
Potencial de hidrogénio-pt#Sense
Potential of hydrogen ions-en#Sense
P H-en#Sense
Brintioneksponent-da#Sense
Potenza di idrogeno-it#Sense
Potens hydrogenii-la#Sense
P H-la#Sense
P H-da#Sense