Abstract
Butyltin (BTs) quantification in environmental matrices can be affected by interfering species found primarily in complex matrices, such as sediment and biota tissues. This study investigated matrix effects in analytical procedures for butyltin (TBT, DBT and MBT) quantification and speciation in sediments and in two fish tissues (gill and liver) by gas chromatography with pulsed flame photometric detection (GC-PFPD) analysis. Unlike sediment samples, tissues exhibited a significant matrix effect, thus, the quantification should be made by curve over matrix to avoid quantification errors and loss of analytical accuracy.
Highlights
Butyltin compounds (BTs) are a group of organic contaminants characterized by a tin atom (Sn) covalently bound to one or more butyl substituents.[1]
The limits of detection observed in other studies involving BT analyses of sediment and fish are generally lower than the Limits of detection (LOD) value found in this study
The method tested in this study can be applied to environmental samples of estuarine fish based on results obtained for quality control procedures for both types of tissues used for BT analysis
Summary
Butyltin compounds (BTs) are a group of organic contaminants characterized by a tin atom (Sn) covalently bound to one or more butyl substituents.[1]. The matrix effect was not observed using this method for TBT and DBT in gill samples based on the results presented in Figures 3a and 3b; an RSD value above 20% was found for some tested concentrations.
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