Table 1.

Severity factor (SF)/combined severity (CS) and % dissolved bark for different pretreatment methods.

Batch	Type	SF/CS	Bark Solubilization %
#1	HT	3.94	12.00
#2	SE	3.97	23.33
#3	OS/SE	4.81	21.67
#4	OS 50:50	4.81	21.00
#5	OS 80:20	4.15	26.88
#6	OS/NaOH	4.15	61.25