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The analysis of alloys and aggregates includes the investigation of the chemical composition and physical properties of these materials. Ferroalloys are analyzed with regard to their alloying elements and specific applications. Lime, fluorspar and carbides are examined for their purity, mineralogical composition and usability in various branches of industry.
Alloy analysis is the determination of the elements in a metal alloy using analytical equipment such as XRF or wet chemical analysis using ICP-OES or ICP-MS.
Alloy analysis provides information about the type of alloy, steel grade and metal composition, but can also detect unwanted interfering elements at an early stage. A representative sample is taken, prepared for analysis and chemically analyzed.
For example, do the supplier specifications match the material actually supplied? Such questions can be answered with an alloy analysis.
A hand-held spectrometer can be used to carry out a simple, quick chemical analysis of the surface of various materials. It provides low detection limits.
It is considered a reliable, fast and widely used method and can be used on site for sorting scrap, for example, by providing an overview of the alloy components in a very short time. However, this method does not replace a classic XRF or wet chemical analysis, as only the surface is analyzed. A handheld spectrometer is unsuitable for correctly detecting light elements such as boron or lithium.
Electrons are displaced from their orbital positions by X-rays. This releases energy which is characteristic of the different elements. The energies are recorded by a detector and assigned to the respective element.
The exact quantity of the respective element in the alloy can also be determined using a calibration stored on the device. The concentration determination is only as good as the calibration stored on the hand-held spectrometer.
There are the following ferroalloys:
