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Levels of total arsenic were determined in muscle tissues of species of fish, crustaceans and molluscs from Cienfuegos Bay, Cuba. The arsenic content in the samples was determined using an energy dispersive X-ray fluorescence (EDXRF) method. The highest concentrations of total arsenic were found in crustaceans and average values for fish, molluscs and crustaceans were 10.2, 22 and 26.5μgg −1 ...
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