CRM Solutions

New Sample Preparation Technique for Metal Alloys

[fa icon="calendar'] Jul 27, 2017 11:24:47 AM / by Dave Coler posted in sample digestion, metal CRMs, Microwave digestion, icp sample preparation

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In a previous blog post “How to prepare metal alloy samples for analysis by ICP-OES or ICP-MS”, my colleague Sue Evans Norris described the traditional methods for the sample preparation of metal alloys by ICP.   At ARMI, we are always looking for ways to improve the status quo and recently discovered a new sample preparation technology for the rapid digestion of metal alloys using short-wave infrared radiation.  This technology, promoted by a Canadian company called ColdBlock, claims their instrument can digest metal alloys faster than current techniques while eliminating the need for dangerous acids such as hydrofluoric and perchloric acid.

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How to Prepare Metal Alloy Samples for Analysis by ICP-OES or ICP-MS

[fa icon="calendar'] Jun 23, 2017 5:57:49 PM / by Susan J. Evans Norris posted in Sample Preparation, metal alloys, ICP, coldBlock, Microwave digestion, HotBlock

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Metal alloys are commonly analyzed using solid sampling techniques such as Arc/spark optical emission spectroscopy (A/S OES), X-ray Fluorescence Spectroscopy (both Energy Dispersive (ED-XRF) and Wavelength Dispersive (WD-XRF)), and X-ray Diffraction (XRD). These techniques provide fast analysis with little or no sample preparation required, and can be provided as portable units, and in the case of XRF, hand-held units, for maximum flexibility. These techniques also are considered non-destructive in that the metal alloy is left largely unchanged after analysis, and is available for further testing or archiving.

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