Chemometric Optimization of an Extraction Procedure Using Tartaric Acid for Butyltin Compounds From Sediment Samples by Gc-PFPD

Bravo, Manuel; Flores, Marcelo; Parra, Sonnia; Quiroz, Waldo; Maxwell, Paulette; Mester, Zoltán

doi:10.4067/s0717-97072015000100006

Cited by 2 publications

(1 citation statement)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Numerous studies have been reported for the determination of organotin compounds in sediment , bodily fluids , seawater , and marine biota samples . Little has been reported so far on tin speciation in different kinds of edible vegetable oils.…”

Section: Introductionmentioning

confidence: 99%

Fast and effective low‐temperature freezing extraction technique to determine organotin compounds in edible vegetable oil

Liu

Wan

et al. 2016

J of Separation Science

View full text Add to dashboard Cite

Most organotin compounds that have been widely used in food packaging materials and production process show serious toxicity effects to human health. In this study, a simple and low-cost method based on high-performance liquid chromatography with inductively coupled plasma mass spectrometry for the simultaneous determination of four organotins in edible vegetable oil samples was developed. Four organotins including dibutyltin dichloride, tributyltin chloride, diphenyltin dichloride, and triphenyltin chloride were simultaneously extracted with methanol using the low-temperature precipitation process. After being concentrated, the extracts were purified by matrix solid-phase dispersion using graphitized carbon black. The experimental parameters such as extraction solvent and clean-up material were optimized. To evaluate the accuracy of the new method, the recoveries were investigated. In addition, a liquid chromatography with tandem mass spectrometry method was also proposed for comparison. The procedures of extracting and purifying samples for the analysis were simple and easy to perform batch operations, also showed good efficiency with lower relative standard deviation. The limits of detection of the four organotins were 0.28-0.59 μg/L, and the limits of quantification of the four organotins were 0.93-1.8 μg/L, respectively. The proposed method was successfully applied to the simultaneous analysis of the four organotins in edible vegetable oil. Some analytes were detected at the level of 2.5-28.8 μg/kg.

show abstract

Section: Introductionmentioning

confidence: 99%

Fast and effective low‐temperature freezing extraction technique to determine organotin compounds in edible vegetable oil

Liu

Wan

et al. 2016

J of Separation Science

View full text Add to dashboard Cite

show abstract

Fast and Feasible Ultrasound-Assisted Pretreatment for the Determination of Organotin Compounds in Environmental Samples

Quintas

Oliva

Álvarez

et al. 2018

Arch Environ Contam Toxicol

View full text Add to dashboard Cite

The goal of this study was to improve an already established reference method, such as the one devoted to organotin compounds determination (Reference Method for Marine Pollution Studies, No. 59, UNEP). The proposed upgrade consists of replacing the mechanical shaking by ultrasound energy and applying low temperature throughout the whole procedure. The optimization of the new operational conditions was performed by using a factorial design. Quality control was performed using a certified sediment reference material (PACS-2) for sediments (82.5-97% of recovery) and recoveries on spiked samples for suspended particulate matter (SPM) and mussels (94-100%). The proposed procedure was applied to surface sediment samples, SPM, and native bivalve mollusks (Brachidontes rodriguezii) collected in Bahia Blanca estuary, a very industrialized zone. The relative standard deviation (RSD %) of the environmental samples were less than 7.9%. It is important to note that the proposed procedure reduced the sample pretreatment time about seven times.

show abstract

Chemometric Optimization of an Extraction Procedure Using Tartaric Acid for Butyltin Compounds From Sediment Samples by Gc-PFPD

Cited by 2 publications

References 30 publications

Fast and effective low‐temperature freezing extraction technique to determine organotin compounds in edible vegetable oil

Fast and effective low‐temperature freezing extraction technique to determine organotin compounds in edible vegetable oil

Fast and Feasible Ultrasound-Assisted Pretreatment for the Determination of Organotin Compounds in Environmental Samples

Contact Info

Product

Resources

About