Determining the amount of mineral arsenic in some imported rice in Lorestan province

Sources of arsenic in the environment can be natural or anthropogenic, since this element occursin trace amounts in most rocks as well as in soil, water, and atmospheric dust. Once released intothe environment, arsenic compounds reach water sources, such as rivers and groundwatersystems, and subsequently food sources. Arsenic-contaminated soil, sediment, and sludge are themajor sources of arsenic in the food chain, surface water, groundwater, and drinking water.Arsenic (As) is considered to be one of the most important toxic elements because of its potentialrisk to human health It is carcinogenic, the inorganic form being the most harmful, and thus itmerits particular attention.