Fig. 1
From: Oxidation of 1-propanol to propionic acid with hydrogen peroxide catalysed by heteropolyoxometalates

FT-IR spectra of L-proline, H3PW12O40 and (ProH)3[PW12O40]
From: Oxidation of 1-propanol to propionic acid with hydrogen peroxide catalysed by heteropolyoxometalates
FT-IR spectra of L-proline, H3PW12O40 and (ProH)3[PW12O40]