Table 3.

Colour differences values for the H50 membrane.

	H50 Membrane
Dye	DH	DL	DC	DECMC(2:1)
CY	0.24 ± 0.04	−1.03 ± 0.05	0.46 ± 0.04	0.42 ± 0.02
PY	−0.74 ± 0.02	−0.74 ± 0.05	−0.07 ± 0.02	0.31 ± 0.02
PC	0.21 ± 0.03	−0.28 ± 0.03	0.16 ± 0.07	0.18 ± 0.03
PN	0.30 ± 0.02	−0.29 ± 0.02	0.02 ± 0.04	0.37 ± 0.04