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Open AccessDetermination of the Concentration of Some Heavy Metals in the Pulp and Peel of Some Citrus Fruits Using Atomic Absorption Spectrometry
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Heavy metals that are derived from the markets of Anbar Governorate, Iraq, including oranges, tangerines, lemons, Sindhi, and grapefruits. After cleaning and drying, the samples were subjected to digestion with concentrated hydrochloric and nitric acids. The concentrations of iron, chrome, nickel, copper, cadmium and lead were then determined using atomic absorption spectrometry. While most minerals were within the international authorized range of 0.1% to 0.3%, as determined by the FAO/WHO, some citrus types had concentrations that were greater than this range. Statistical analysis was employed to interpret the results. The results of the study demonstrated that the majority of the observed concentrations of all of the minerals examined were less than the maximum allowable concentrations, which were set by the FAO/WHO. As a result, these minerals are considered safe to consume. However, some minerals were documented to be present in some citrus plants that were gathered from the markets of Anbar Province exceeding the authorized limits.
