Assertion: free salicylic acid | /r/AtLocation | charged form
Facets:
value: at physiological ph
type: TEMPORAL
Source sentences:
text: At physiological pH, typically around 7, free amino acids exist in a charged form, where the acidic carboxyl group (-COOH) loses a proton (-COO−) and the basic amine group (-NH 2 ) gains a proton (