[Colorimetric determination of paraaminobenzoic acid and its esters].
D010129:4-Aminobenzoic Acid / Q000032:analysis*; D003124:Colorimetry; D004952:Esters
D004952:Esters; D010129:4-Aminobenzoic Acid
COLORIMETRY; PARA-AMINOBENZOIC ACID/determination
Dosage colorimétrique de l'acide para-oxybenzoïque et de ses esters.