Determination of Elemental Composition of Malabar spinach, Lettuce, Spinach, Hyacinth Bean, and Cauliflower Vegetables Using Proton Induced X-Ray Emission Technique at Savar Subdistrict in Bangladesh

Table 1

Concentrations (in ppm) acquired for the reference material IAEA-V-10 Hay (powder) and compared certified values.

Element	Measured value	Certified value
Si	Not detected	—
P	2280 ± 70	2300
Cl	Not detected	—
K	21000 ± 45	21000
Ca	21600 ± 60	21600
Ti	Not detected	—
Mn	46.8 ± 1.7	47
Fe	186 ± 11	186
Co	0.11 ± 0.03	0.13
Zn	24 ± 2.3	24
Sr	42 ± 2	40
Br	7.3 ± 0.9	8
Rb	8.1 ± 0.4	7.6
Cr	5.7 ± 0.5	6.5
Ru	Not detected	—
Ni	4 ± 0.2	4
S	Not detected	—
Cu	9.4 ± 0.04	9.5

Values are presented as mean ± SD (). = number of samples analyzed.