Table 4.

Preliminary desulfation reactions to set the bounds of the design of experiments (DOE).

Exp (#)	Time (min)	Temp (°C)	[NaOH] (M)	[CNC] (wt%)	Yield (%)	–OSO3– (mmol·kg−1)		Δ(–OSO3–) (%)
						Initial	Final
#5	150	60	0.5	1.44	88	155	109	30%
#6	150	60	1.0	1.44	83	155	105	32%
#7	300	60	1.0	1.44	87	155	86	45%
#8	300	30	1.0	1.44	83	155	121	21%
#9	900	30	1.0	1.44	90	155	122	22%