Rapid Method for the Determination of 5-Hydroxymethylfurfural and Levulinic Acid Using a Double-Wavelength UV Spectroscopy

Table 2

Contents of LA and HMF in the sample.

Reaction time, min	20	24	26	29	40	49	66
LA, g	0.32	1.39	1.40	2.00	1.80	1.87	1.49
HMF, g	0.27	1.06	0.38	0.46	0.17	0.11	0.05