Nutrition in Herbal Plants Used in Saudi Arabia

Table 2

Summary of certified standards and the duplicated samples measured, along with the selected wavelength of each element analyzed.

Element	Symbol	Wavelength	% Recovery
			Standard	Duplicated samples
Calcium	Ca	220.86	99	86
Chromium	Cr	205.55	100	113
Copper	Cu	261.84	98	98
Iron	Fe	259.94	101	82
Iodine	I	178.28	112	89
Potassium	K	766.49	86	93
Magnesium	Mg	279.55	98	120
Manganese	Mn	260.57	96	88
Molybdenum	Mo	202.03	102	100
Sodium	Na	589.59	87	94
Nickel	Ni	231.60	100	94
Phosphorus	P	213.62	96	86
Selenium	Se	203.99	95	89
Zinc	Zn	213.86	98	95