Effect of Microwave or Ultrasound Irradiation in the Extraction from Feather Keratin

Table 2

Specific surface area and pore diameter of KC, KEt5U, and KEt5M samples.

Sample	Specific surface area (m^2/g)	Pore diameter (Å)
KC	0.1	99.5
KEt5U	0.5	29.3
KEt5M	0.5	28.6