Environmental application spectrometers

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Thermo Electron has announced that its series of x-ray fluorescence (XRF) and x-ray powder diffraction (XRD) spectrometers is suitable for a diverse range of environmental applications.

Designed for accurate and reliable analysis of drinking water, wastewater, soils, sludge, air monitoring and spent materials such as paints, plastics and tyres, these spectrometers are designed for use in manufacturing plants and contract laboratories as well as in the water, energy, waste disposal and recycling industries.

Thermo has published several application notes to demonstrate the analytical capabilities of its XRF and XRD spectrometers which are all specifically suited to the environmental market. These application notes are available to download free of charge from www.thermo.com/elemental.

Thermo's comprehensive suite of WDXRF (wavelength dispersive x-ray fluorescence), EDXRF (energy dispersive x-ray fluorescence) and XRD spectrometers employs fast multi-element techniques.

Achieving precise and repeatable results covering all elements and respective ranges, they also provide detection limits in the ppm range.

Additionally, the instruments are easy to install and use while requiring very little or no sample preparation and offer flexible sample handling.

The WDXRF and the EDXRF techniques, designed for use with Thermo's ARL ADVANT'X and ARL QUANT'X, are suited to the analysis of waste oils, plastics, paints and contaminated soils whereas the ARL X'TRA spectrometers used with XRD are mainly used for analysing particulates in air such as asbestos and quartz.

Both XRF and XRD techniques are capable of handling totally unknown samples thanks to the powerful 'standard-less' analysis packages such as UniQuant and SiroQuant.

This series of spectrometers has also been designed to help scientists comply with strict European and US regulations, including the RoHS/WEEE directives. These RoHS/WEEE regulations have been introduced to reduce the damage to both the environment in terms of pollution as well as to human health from occupational exposure and exposure following disposal.