Table 1.

Yields (% dry matter, w/w), weight-average (—,M_w) and number average (—,M_n) molecular weights and polydisperisty (—,M_w/—,M_n) of the lignin fractions.

	Lignin fractionsa
	F1	F2	F3	F4	F5
Yieldbc	0.2	1.6	33.4	59.1	4.4
—,Mw	493	686	1174	2468	13651
—,Mn	492	665	1012	1675	3053
—,Mw/—,Mn	1.0	1.0	1.2	1.5	4.5

^aF₁, F₂, F₃, F₄, and F₅ represent the lignin fractions fractionated from Eucalyptus pellita Kraft-AQ pulping lignin by hexane, ethylether, methylene chloride, methanol, and dioxane, respectively.

^b% dry matter of the fractionated lignin.

^cThe standard deviation is less than 2%.