Synthesis and Characterization of Zinc, Iron, Copper, and Manganese Oxides Nanoparticles for Possible Application as Plant Fertilizers

Table 1

Total chemical analysis of synthetic nanofertilizers of Cu, Fe, Mn, and Zn.

MO	Expected	Observed	SD	Observed/expected
	(mol %)	(mol %)	(mol %)	(%)
CuO	79.9	78.7	0.3	99.8
Fe3O4	72.4	66.0	1.5	91.2
Mn3O4	72.0	70.3	1.2	97.6
ZnO	80.4	74.2	0.2	92.3

MO, metal oxide; SD, standard deviation.