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A set of six standards plus a Faraday cup mounted in a 25mm diameter block, designed to provide a wide range of calibrations and performance checks.

These standards are supplied as fine powders dispersed onto holey carbon films and are selected from a range of certified materials and synthetic compounds.

High purity single element standards for the setting-up, calibration and routine instrument monitoring of XRF spectrometers.

This set combines a number of test specimens in a single 32mm diameter holder.

The quality control test calibration block is a round brass block with four test samples, a Faraday cup, a particle feature, two resolution standards and a magnification grid.

A set of 45 standards and a Faraday cup.

A set of 18 standards and a Faraday cup suitable for biological applications.

A set of 21 standards chosen for semiconductor applications.

This series of standards is available for laboratories employing ultra high vacuum analysis instruments (Auger, EXCA, electron probe, SEM, etc.).

A Faraday cup for accurate specimen current measurements. Mounted in a 12.5mm pin stub.

High purity single element standards for the setting-up, calibration and routine instrument monitoring of XRF spectrometers.

High purity single element standards for the setting-up, calibration and routine instrument monitoring of XRF spectrometers.

Single element standards.