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ICP Emission Spectrometry: Arsenic at 228 nm — Interferent or Analyte?

November 1, 2014

This article compares several performance criteria such as full width at half maximum, background equivalent concentrations, limits of detection, purge requirements, and results for some substances for the "traditional" As lines at 188.979, 193.696, and 197.197 nm for the "new" line at 228.812 nm.

What New Methods to Measure Isotope Ratios Can Reveal About the Environment, Humans, and the Earth

November 1, 2014

Multiple-collector inductively coupled plasma–mass spectrometry (MC-ICP-MS) has some specific advantages over traditional ICP-MS instruments.

Simplifying Mixed-Food Microwave Sample Preparation for ICP-MS Analysis

November 1, 2014

Low-level analysis of food matrices has placed a demand on manufacturers, testing laboratories, and instrumentation vendors worldwide. Stricter regulations, better analytical instrumentation, and greatly improved sample preparation (preanalytical) techniques have focused efforts to simplify and standardize these analyses.

Improving ICP-MS Analysis of Samples Containing High Levels of Total Dissolved Solids

November 1, 2014

A novel approach to handling samples with very high and variable levels of sample matrix is to use aerosol dilution, whereby the amount of sample aerosol that reaches the plasma is reduced by dilution with an additional argon gas stream.

High-Resolution ICP-OES for the Determination of Trace Elements in a Rare Earth Element Matrix and in NdFeB Magnetic Materials

November 1, 2014

Rare earth elements (REEs) have become indispensable in many electronic, optical, magnetic, and catalytic applications because of their specific properties such as magnetism and phosphorescence, as well as their ability to both donate and accept electrons.

First Regulatory Limit for Hexavalent Chromium in Drinking Water Awaited in California

May 16, 2014

The California Department of Public Health has proposed to establish the first regulatory limit in the United States for hexavalent chromium (chromium-6) in drinking water. The proposed Maximum Contaminant Level (MCL) sets the limit for hexavalent chromium at 10 parts per billion. California, like those of other states and United States federal government, currently only regulates total chromium levels.

Quick and Easy Dissolution of Chromite Ores, Ferrochromes, and Chromium Slags for ICP-OES without Using HF or HClO4

May 1, 2014

A new sodium peroxide fusion method is described, as well as the conditions for inductively coupled plasma–optical emission spectrometry, and a list of the accuracy and precision measurements for all prepared samples.

Emerging Technology Trends in Atomic Spectroscopy Are Solving Real-World Application Problems

March 14, 2014

A look at ICP–MS, ICP–OES, X-ray fluorescence spectroscopy, and laser-induced breakdown spectroscopy in the areas of research and development, marketing, application, and use of these techniques.

Field-Portable Sampling for ICP Spectrometry: Bringing a Part of the Lab to the Sample

January 14, 2014

Conventional pneumatic nebulizer-spray chamber combinations for ICP spectrometry have a sample introduction efficiency of only 1-3%. A unique electrothermal vaporization device developed by Vassili Karanassios of the University of Waterloo uses field-portable rhenium filament coils with a very small vaporization chamber and increases the sample introduction efficiency to 100%.

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