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Glass Bead Machines for Construction Material Analysis

Construction materials are subject to intense scrutiny from an array of international specifications. Raw materials, intermediates, and finished products must meet pre-defined performance criteria to pass certifications regarding safety and sustainability. If chemical defects are not detected until the end-product stage, significant investment may be required to redress the issue.

X-ray fluorescence (XRF) analysis is widely used in the construction sector to analyze the constituents of building materials and avoid foreseeable costs further down the production line. This process typically involves taking samples of in situ raw materials and intermediate products and processing them through glass bead machines for ultra-precise elemental analysis via an XRF spectrometer.

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Glass Bead Machines for XRF Analysis of Iron Ore

Analyzing iron ore through x-ray fluorescence (XRF) analysis is a complicated procedure with interest from multiple industrial and academic disciplines. Chemists, mining engineers, and geological archaeologists all have cause to assess the composition of iron ore down to the sub-parts per million (ppm) range.

Glass bead machines enable analysts to prepare iron ore samples of nearly ideal homogenous consistencies for ultra-precise analysis of iron ore. Once the extracted geological sample has been crushed to a fine consistency with particle sizes of no more than 100 micrometres (µm), it can be carefully doped with a suitable lithium metaborate and lithium tetraborate flux mixture for sample fusion in a glass bead machine.

The Phoenix gas fusion glass bead machine has prove...

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Muffle Furnaces for High-Temperature Laboratory Heating

A muffle furnace is a critical component for high-temperature laboratory heating, enabling samples to be heat-treated at temperatures exceeding 1000°C (1832°F) with low risk of cross-contamination. This is due to the mechanical arrangement of the hearth, which is heated with high-purity metallic elements as opposed to gas burners. These components are fabricated using electrically-conductive metals with high mechanical stability at elevated temperatures.

This article will explore the components of a muffle furnace in more detail.

 

The Components of a Muffle Furnace

Kanthal wiring is routinely used to fabricate heating elements for muffle furnaces. This iron-chromium-aluminum (FeCrAl) alloy retains its physical integrity at increased temperatures as ...

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