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About Katanax

Katanax®, a SPEX SamplePrep company, has been creating high quality, electric fusion equipment for over a decade. Our fully automated electric fluxers are designed to prepare glass disks (beads) for XRF, solutions for AA/ICP including peroxide and pyrosulfate fusions. Our fluxers combine exceptional fusion accuracy with all the advantages of electric power, speed, simplicity and a robust design for the experienced or novice user.

We are pleased to announce the release of a revised and updated scientific reference book entitled “Physics and Chemistry of Borate Fusion”.  The book is a complete resource for fusion techniques and methods. Click here to learn more.


  • X-Fluxer
  • K1 Prime
  • Fluxes
  • Crucibles/Molds
  • Application Notes


Built with the most demanding lab in mind, the Katanax X-600 Fluxer is the next generation in electric fusion offering new enhanced features for unparalleled results. It is used to prepare glass disks (beads) for XRF analysis and solutions for ICP/AA analysis or for preparing peroxide and pyrosulfate fusions. This unit allows you to run up to 6 samples at the same time achieving a throughput of up to 30 samples per hour.

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Katanax® X-600 X-Fluxer™

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K1 Prime

This single position fusion fluxer can be used for preparing glass disks (beads) for XRF. An optional solution kit prepares solutions for ICP and AA. This unit allows you to achieve a throughput of up to 5-7 samples per hour.

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Katanax® K1 Prime

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Katanax® Fluxes


Katanax offer a full range of high-quality fusion fluxes in addition to its product line. We can now provide our customers with lithium borate fluxes that present the following features:

  • Outstanding Purity
  • Micro-bead form
  • Pre-fused
  • Optional non-wetting agent added
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Katanax® Crucibles & Molds

Crucibles & Molds

We supply the platinumware you need to process your samples. Our platinum crucibles and molds are available as standard or reinforced varieties. Various mold sizes are available including 30mm, 32mm, 35mm and 40mm.

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Quantitative Analysis of FeMo Alloys using Lithium Tetraborate Fusion Technique by X-Ray Fluorescence Spectrometry

SM Jung, HD Mun - steel research international, 2012 - Wiley Online Library

Essentially, the fusion procedure consists of heating a mixtureof sample and flux at high temperatures (1273 C for lithium tetraborate) employingan automated fusion equipment (Katanax K2).

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Characterization of heavy minerals in the Athabasca oil sands

HAW Kaminsky, TH Etsell, DG Ivey, O Omotoso - Minerals Engineering, 2008 - Elsevier

Ashed solids were prepared into fused beads for X-ray fluorescence (XRF) analysis using a Katanax™ fuser with a platinum crucible and pan. The fused beads were analyzed with a Bruker S4 Explorer XRF equipped with a wavelength dispersive spectrometer (WDS).

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Characterization of heavy minerals in the Athabasca oil sands

Fly ash is a waste product from the combustion of coal and is comprised of mineral particles that rise with the flue gases. Recovered fly ash is used as a component in certain cement mixes and improves the durability and strength of concrete.

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Fusion is a technique used to prepare inorganic samples, with a view to analyze them by x-ray fluorescence (XRF), inductively coupled plasma (ICP), atomic absorption (AA) or any traditional wet chemistry method. Typical samples include: cements, ores, slag, sediments, soils, rocks, ceramics, pigments, glasses and even metals. A fusion can produce either a small, homogenous glass disk (or “bead”) for XRF, or an acid solution for other analytical methods.



Our fluxers combine exceptional fusion accuracy with all the advantages of electric power combined with speed, simplicity and a robust design for the most demanding labs. Our technology has many advantages over other sample preparation methods.


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FREE Fusion method development

If your laboratory is looking into Katanax electric fluxers, and would like to know if your particular sample can be prepared by fusion, we will gladly test your sample for free. Simply fill out this form and send us your samples. We will return your samples as prepared as beads, along with the complete details on how we did it.