Elemental Speciation And Trace Metal Analysis Using Chemical Separations Interfaced To Inductively Coupled Plasma Mass Spectrometry
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Trace Metal Analysis and Speciation
The aim of this volume is to describe the most recent advances in areas of analytical chemistry that relate to the trace determination of metals and inorganics, as well as their distribution and forms (species) present, sample dependent. Analytical approaches are described that encompass a number of separation methods, such as gas and high performance liquid chromatography, interfaced with selective and sensitive detection methods that become unique for metal species/forms present in various samples. Hyphenated techniques are emphasized, such as interfacing HPLC with plasma induced emission spectroscopy, electrochemistry, post-column reaction chemistry, etc. Each chapter describes the latest instrumental and methodology advances that utilize some form of chromatography together with element-specific detection or mass spectrometry to provide absolute identification of the specific species of a metal present in various samples. The book will be of value to those concerned with the determination of trace levels of individual metal species present or suspected present in any given sample and to those involved in trace metal toxicology, metabolism of metal-containing drugs or chemicals, environmental exposures to metals and chemical speciation of real world samples. Government regulatory laboratories striving to detect and determine absolute levels of a metal species in any regulated sample will be interested in this volume, as will academic institutes involved in environmental toxicology, environmental chemistry, metal-DNA/protein interactions and researchers working with metal species.
Handbook of Elemental Speciation
This international collection of chapters comprehensively covers different aspects of procedures for speciation analysis at all levels starting from sample collection and storage, through sample preparation approaches to render the species chromatographable, principles of separation techniques used in speciation analysis, to the element specific detection. International renowned editors and contributors Includes coverage of electrochemical methods, biosensors for metal ions, radioisotope techniques and direct solid speciation techniques Provides information on quality assurance and risk assessment, and speciation-relevant legislation Each chapter is a stand-alone reference covering a given facet of elemental speciation analysis written by an expert in a given field with the volume as a whole providing an excellent introductory text and reference handbook.
Elemental Speciation and Trace Metal Analysis Using Chemical Separations Interfaced to Inductively Coupled Plasma-mass Spectrometry
A comparison of capillary electrophoresis (CE) migration times using standard on-column UV detection and inductively coupled plasma - mass spectrometry (ICP-MS) is presented for two different CE separations. The first is a separation of five arsenic compounds, four anionic species and one neutral, using reverse polarity in a chromate buffer with an electroosmotic flow modifier. The second CE separation employs normal polarity for the separation of eleven lanthanide cations using a HIBA buffer with an indirect UV detection reagent. Migration times observed for CE-ICP-MS electropherograms are comparable to migration times acquired with UV detection, and may be adjusted by changes in the make-up liquid level position. The precision of peak areas (