Research Article
Magnetite-Functionalized Horse Dung Humic Acid (HDHA) for the Uptake of Toxic Lead(II) from Artificial Wastewater
Table 2
Elemental analysis by energy dispersive X-ray spectroscopy (EDX) of magnetite and MHDHA.
| | Element symbol/name/number | Magnetite weight concentration (%) | MHDHA weight concentration (%) |
| | Fe/iron/26 | 67.07 | 53.91 | | O/oxygen/8 | 29.41 | 32.74 | | C/carbon/6 | 3.51 | 9.89 | | N/nitrogen/7 | — | 2.89 | | Others | 0.01 | 0.57 |
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