Determination of organotin compounds contained in aqueous samples using capillary gas chromatography

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Abstract
A method for the extraction of various organotin compounds [(R3Sn)2O and RnSnX4–n; R = Me, Et, Bu, Ph; X= Cl, Br, OH, OMe; n= 2, 3] from aqueous solution and their subsequent determination is described. The compounds were initially converted into their corresponding hydrides, which were then obtained for analysis by a combination of helium purging and ether extraction of the aqueous solution. Separation of the hydrides was carried out using capillary column gas chromatography, which enabled nanogram amounts to be detected.

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