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The current EU legislation lays down the Environmental Quality Standards (EQS) of 45 priority substances in surface water bodies. In particular, the concentration of tributyltin (TBT) must not exceed 0.2ngL−1 and analytical methodologies with a Limit of Quantification (LOQ) equal or below 0.06ngL−1 are urged to be developed. This work presents a procedure for the determination of ultratrace levels...
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