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

Table 1

Recovery test of the method.

Sample	Weight, μmol
	Added		Measured		Recovery, %
	LA	HMF	LA	HMF	LA	HMF
1	34	148	32	130	94	88
2	50	123	49	144	98	116
3	78	165	84	173	108	104
4	97	200	102	188	105	94