ICP-MS

Nov 01, 2011
Spectroscopy
By Spectroscopy Editors
Wastewater from coal-fired power plants is linked to a wide range of environmental and human health concerns. Measuring low levels of toxic trace metals in these wastewaters is complicated, however, by high levels of interfering matrix elements. A new EPA method using ICP-MS addresses this analytical challenge.
Sep 01, 2011
Spectroscopy
By Spectroscopy Editors
A tutorial on inductively coupled plasma (ICP) excitation and sample introduction systems.
May 01, 2011
Spectroscopy
By Spectroscopy Editors
Most analytical measurements performed by either inductively coupled plasma–optical emission spectrometry (ICP-OES) or ICP–mass spectrometry (MS) require accuracy and precision, which are essential for obtaining correct answers. However, all modern ICP-OES and ICP-MS instruments have the ability to perform semiquantitative analyses. This seems strange since accuracy is important, but semiquantitative analysis does have a role in analytical measurements. This article will explore why semiquantitative analysis is important and will look at various ways it can be performed and implemented.
Apr 01, 2011
Spectroscopy
By Spectroscopy Editors
A general MIC–ICP-MS method has been successfully developed for the assay of elemental impurities in pharmaceutical products.
Mar 01, 2011
Spectroscopy
By Spectroscopy Editors
The USP proposes the use of analytical techniques capable of measuring impurities at the specified limits with optimal selectivity, sensitivity, simplicity, and robustness.
Jan 01, 2011
Spectroscopy
By Spectroscopy Editors
Inductively coupled plasma (ICP) spectroscopy and ICP–mass spectrometry (ICP-MS) provide an interesting set of similarities and contrasts.
Jan 01, 2011
Spectroscopy
By Spectroscopy Editors
Part I of this two-part article focuses on the raw materials used in pet food manufacturing and all the potential sources of contamination.
Nov 01, 2010
Special Issues
By Spectroscopy Editors
The determination of trace metals in volatile organic solvents is of utmost importance to prevent catalyst poisoning and final product contamination. This article discusses the need for the analysis of trace metals in volatile organic solvents and reviews the challenges and problems that have been traditionally associated with this type of analysis when performed using inductively coupled plasma-mass spectrometry (ICP-MS). A new method is highlighted, combining ICP-MS with an advanced dual syringe pump sample introduction system. The unique capabilities of the technique to deliver direct, efficient, accurate, and contamination-free analysis of trace metals in volatile organic solvents are demonstrated in an application example.
Nov 01, 2010
Special Issues
By Spectroscopy Editors
The determination of elements in oils and petroleum products is important to refineries, industrial processes, machinery, and transports. This article explores the analysis of fuel oils using ICP-MS for the routine determination of elements at low concentration levels in both clean and dirty fuel oil samples.
Nov 01, 2010
Special Issues
By Spectroscopy Editors
With ICP emission spectrometry, many spectral lines are emitted for each element. The fact that spectral lines for samples containing several elements can overlap is well known as spectral interference. For this reason, it is necessary to use a spectrometer with a resolution over a certain level. Even then, spectral interference might be possible. This article describes a way to measure water samples using inductively coupled plasma–optical emission spectroscopy using a simultaneous instrument with a CCD detector and a software package that incorporates the knowledge of experienced analysts as a database, simplifying the selection and confirmation of wavelengths, to allow high precision and interference-free analytical results.
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