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The Spectro Midex from Spectro Analytical Instruments is a sensitive XRF spectrometer designed for the identification of toxic elements in electronic devices and forensic analysis.

The Spectro Midex has been specially developed for the analysis of tiny details in samples and for the elemental mapping of larger objects.

Typical applications also include the identification of inclusions and the analysis of jewellery.

The Spectro Midex features a small X-ray beam that is used to irradiate the sample; the beam can be collimated down to a minimum spot size of 200um.

This is combined with a silicon drift detector and a rapid measuring system.

Proprietary FP+ calibration software permits accurate standardless analyses, even of unknown samples.

A complete analysis for elements from magnesium to uranium can be carried out in the range on a given point on an unknown sample in minutes.

For sample scanning and mapping, the generously proportioned sample chamber can be fitted with a precision sample stage that can traverse large samples over maximum distance of 240 x 178 x 160mm in the X, Y and Z axes respectively.

The stage can handle samples up to 3kg in weight.

An integrated video system combined with a laser spot marker allows precise sample positioning.

The standard working distance from the sample is 2mm, but the long distance (LD) version of the Spectro Midex has a 20mm working distance from the sample, which is very useful for the examination of irregularly shaped samples, such as analysing the ‘valleys’ between components on a printed circuit board.

Software-controlled, the XYZ sample stage can also be used as a sample changer for the analysis of large numbers of small samples.

The measurement area can be flushed with helium to achieve maximum sensitivity for the ‘light’ elements from Mg to Cl.

This is less likely to damage or otherwise influence samples than a vacuum system, and also means that ‘dump’ samples may be analysed without drying.

Helium consumption is less than 100 litres per hour.

Spectro Analytical Instruments

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