Elemental and Proximate Compositions of Sesame Seeds and the Underlying Soil from Tsegede, Ethiopia

Table 1

Instrument operating conditions used for the determination of metallic elements using flame atomic absorption spectroscopy.

Element	Wavelength (nm)	Slit width (nm)	Lamp current (MA)	Energy (J)
Ca	422.7	0.7	2.0	3.914
Mn	279.5	0.7	3.0	4.080
Cu	324.8	0.7	1.5	3.786
Zn	213.9	0.7	2.0	3.101
Fe	248.3	0.2	7.0	3.085
Ni	232	0.2	7.0	3.151
Mg	285.5	0.7	1.0	3.939