Table 3. Elemental Composition of the Dry Mass of the BL and of the Extracted Lignina.
| element symbol | mass fraction dry mass BL/wt % | mass fraction extracted lignin/wt % |
|---|---|---|
| C (EA) | 34 ± 0.4 | 60.3 ± 0.1 |
| H (EA) | 3.4 ± 0.5 | 5.7 ± 0.1 |
| N (EA) | <0.1 | <0.1 |
| S (EA) | 4.7 ± 0.1 | 2.6 ± 0.1 |
| O (diff.) | 38.8 | 31 |
| Na (ICP) | 17.7 ± 0.9 | 0.4 ± 0.02 |
| K (ICP) | 1.3 ± 0.06 | <1 |
| sum | 100 | 100 |
a
Analysis was performed via elemental analysis (EA) and inductively coupled plasma-optical emission spectrometry (ICP-OES); oxygen was calculated via difference; no other element was detected in relevant amounts.