From: Use of fulvic acid-like compounds from pulp-derived black liquor for enhancing the selenium content of peanut buds
Sample
Elemental composition
Atomic ratio
N (%)
C (%)
H (%)
S (%)
O (%)
H/C
O/C
PBL
8.74
31.66
3.94
12.70
32.81
1.49
0.78
PFA
0.24
14.51
1.23
0.17
44.32
1.02
2.29