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Specialty Chemicals, Metals & Materials

Analytical Fluxes



Our Spectroflux line of alkali metal borate fusion fluxes offers a variety of standard flux formulations for sample preparation in a variety of analytical applications.

Alfa Aesar has a world-renowned reputation for consistently supplying the highest quality analytical fluxes for mineralogical applications in the geosciences and the cement and steel industries.

For more than 30 years chemists have relied on Spectroflux alkali borate fusion fluxes for use in methods such as:

  • direct reading optical or X-ray emission spectrometry
  • atomic absorption spectrometry 
  • spectrophotometry
  • polarography 
  • electrochemistry 
  • inductively coupled plasma or classical analytical techniques 

Our batch specific analysis ensures reproducibility and accuracy of your results.

Aside from offering a wide range of fluxes, we supply customized formulations to meet specific analytical requirements.




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