Humification and Humic Acid Composition of Suspended Soil in Oligotrophous Environments in South Vietnam

Table 2

Elemental composition of the HAs, extracted from soils.

Sample	С (%)	H (%)	N (%)	O (%)	C/N	H/C	O/C
1	49.17	5.11	3.30	37.42	14.90	0.10	0.76
2	48.77	5.40	3.58	37.25	13.62	0.11	0.76
3	49.52	5.26	3.08	37.14	16.07	0.10	0.75