Copper determination using ICP-MS with hexapole collision cell
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Vladislav Chrastný
und
Michael Komárek
Abstract
Determination of copper using inductively coupled plasma mass spectrometry (ICP-MS) suffers from polyatomic overlays originating from Na+ and Mg2+ matrix elements due to the formation of 40Ar23Na+ and 40Ar25Mg+ in the mass-to-charge ratios of 63 and 65, respectively. The collision/reaction cell technology belongs to the most modern methods used to overcome polyatomic interferences. Gas-filled collision/reaction cell can cause an additional mass bias effect influencing analytical precision of the method. In this study, the additional mass bias effect of the hexapole collision/reaction cell ICP-MS was studied on an example of n(65Cu)/n(63Cu) isotope ratio. As a result, a method for suppressing polyatomic interference on the mass-to-charge ratio of 63 and 65 was introduced and additional mass bias of the collision/reaction cell was lowered to an acceptable level.
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© 2009 Institute of Chemistry, Slovak Academy of Sciences
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Artikel in diesem Heft
- Magnetic nano- and microparticles in biotechnology
- Application of gas chromatography-mass spectrometry in research of traditional Chinese medicine
- Copper determination using ICP-MS with hexapole collision cell
- Reactivation of a palladium catalyst during glucose oxidation by molecular oxygen
- Robust stabilization of a chemical reactor
- Influence of production progress on the heavy metal content in flax fibers
- In vitro antifungal and antibacterial properties of thiodiamine transition metal complexes
- Synthesis, characterization, and antimicrobial activity of new benzoylthiourea ligands
- Investigation of DNA cleavage activities of new oxime-type ligand complexes and molecular modeling of complex-DNA interactions
- Characterization of mechanochemically synthesized lead selenide
- Hydroxyapatite modified with silica used for sorption of copper(II)
- Corrosion resistance of zinc electrodeposited from acidic and alkaline electrolytes using pulse current
- Ternary composites of multi-wall carbon nanotubes, polyaniline, and noble-metal nanoparticles for potential applications in electrocatalysis
- Synthesis of 2-[3-(trifluoromethyl)phenyl]furo[3,2-c]pyridine derivatives
- Key side products due to reactivity of dimethylmaleoyl moiety as amine protective group
- Comparative DFT study on the α-glycosidic bond in reactive species of galactosyl diphosphates
- Gas chromatographic retention times prediction for components of petroleum condensate fraction
- Gas chromatography with surface ionization detection of nitro pesticides
- Clean fuel-oriented investigation of thiophene oxidation by hydrogen peroxide using polyoxometalate as catalyst
- Aqueous foam stabilized by polyoxyethylene dodecyl ether
