Isotope Analysis of Lead in Biological Samples by ICP-MS with Pretreatment Using Polyamino-Carboxylic Chelating Resin Disk

ICP-MS determination of lead isotope ratios in legal and counterfeit cigarette tobacco samples.

A method for the determination of Pb isotope ratios (IR) in cigarette tobacco by quadrupole inductively coupled plasma mass spectrometry (Q-ICP-MS) has been developed and applied to tobacco samples from genuine and counterfeit cigarettes obtained in the USA. The IR ²⁰⁷Pb/²⁰⁶Pb, (208)Pb/²⁰⁶Pb, ²⁰⁶Pb/²⁰⁴Pb, ²⁰⁷Pb/²⁰⁴Pb and ²⁰⁸Pb/²⁰⁴Pb were measured using a Q-ICP-MS instrument. Two certified refer...

Cu Purification Using an Extraction Resin for Determination of Isotope Ratios by Multicollector ICP-MS

A new simple and quick method has been established for separation of Cu from solutions using an extraction chromatographic resin utilizing Aliquat 336 (commercially available as TEVATM resin) and Cu(I). This method involves the use of a one milliliter column containing 0.33 mL TEVATM resin on 0.67 mL Amberchrom CG-71C acrylic resin. Copper was adsorbed on the column by forming Cu(I) with 0.15% ...

Analysis of Nanoparticles in Biological Tissues using SP-ICP-MS

Determination of heavy metals and rare earth elements in environmental samples by ICP-MS after solid phase preconcentration with chelating resin fibers and anion exchanger filters.

A solid phase collection/concentration method using anion exchanger filters and a small syringe packed with chelating resin fibers is adopted as a preconcentration tool for trace elements and a separation tool for matrices in aqueous samples prior to the measurement by inductively coupled plasma-mass spectrometry (ICP-MS). The effects of fiber volume, sample volume, eluent volume, and sample fl...

Total Arsenic, Cadmium, and Lead Determination in Brazilian Rice Samples Using ICP-MS

This study is aimed at investigating a suitable method for rice sample preparation as well as validating and applying the method for monitoring the concentration of total arsenic, cadmium, and lead in rice by using Inductively Coupled Plasma Mass Spectrometry (ICP-MS). Various rice sample preparation procedures were evaluated. The analytical method was validated by measuring several parameters ...