Table 2. Functional Group Contents and Relative Hydrophobicity of Lignosulfonate and Kraft Lignin Samples.

		HS-GC	EA		31P NMR		HIC
no	sample	OCH3 [mmol g–1]	SO3H [mmol g–1]	aliph. OH [mmol g–1]	arom. OH [mmol g–1]	COOH [mmol g–1]	Ihyd(46)
1	HWLS	5.59	1.39	1.77	2.89	0.18	0.61
2	SWLS	3.95	1.78	2.98	1.83	0.23	0.46
3	HWNSSC	2.31	0.83	4.13	1.44	0.26	0.05
4	HWKL	5.97		0.85	4.36	0.17
5	SWKL	4.22		2.44	4.02	0.53