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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%.

Rhenium Coil Field Sampling for Determinations by ICP-AES with Electrothermal Vaporization Introduction

January 1, 2014

The authors have been characterizing an electrothermal, near-torch vaporization (NTV) micro- and nano-sample introduction system for inductively coupled plasma (ICP) spectrometry.

The Benefits of Ion–Molecule Chemistry for the Determination of Titanium in Whole Blood and Serum Using Quadrupole-Based Collision–Reaction Cell ICP-MS Technology

November 1, 2013

This article highlights the benefits of using ion-molecule chemistry in a quadrupole-based collision–reaction cell to determine titanium levels in the presence of problematic polyatomic spectral interferences encountered in the analysis of human blood and serum samples from patients who have undergone artificial joint replacement surgery.

Elemental Detection of Semiconductor Process Gases Using a Gas-Exchange Device Coupled to ICP-MS

November 1, 2013

This article describes the direct measurement of trace levels of organometallic process gases in semiconductor manufacturing environments using a gas-exchange device coupled with quadrupole inductively coupled plasma–mass spectrometry (ICP-MS).

Detecting Metals in the Brain with LA–ICP-MS

November 1, 2013

Spectroscopy recently spoke with Dominic Hare, a senior research officer at the Florey Institute of Neuroscience and Mental Health in Australia, about his work using laser ablation–inductively coupled plasma–mass spectrometry (LA–ICP-MS) to study metals in the brain.

Optimizing the Sample Preparation of Metals: Single-Reaction-Chamber Microwave Digestions for Contract Analytical Laboratories

November 1, 2013

Contract analytical laboratories use a variety of instrumentation for trace-metal analysis and must take advantage of method standardization whenever there is an opportunity.

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