title: Spectrometric evaluation of the approximate pK of the carboxyl group in 2,4-dinitrophenyl-amino acids.
mesh_terms: D000596:Amino Acids; D007532:Isoleucine; D007930:Leucine; D009596:Nitrophenols / Q000737:chemistry*; D013057:Spectrum Analysis; D014633:Valine
chemical_list: D000596:Amino Acids; D009596:Nitrophenols; D007532:Isoleucine; D007930:Leucine; D014633:Valine
keywords: AMINO ACIDS; NITROPHENOLS/chemistry