Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

Specialty Chemicals, Metals & Materials from Alfa Aesar

Spectroflux® Analytical Fluxes



The 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 to the cement and steel industries and geo-scientists for mineralogical applications.

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 spectrometers,atomic absorption spectrometers, spectrophotometers, polarographs, ion selective electrodes, inductively coupled plasma or classical analytical techniques. Our batch specific analysis ensures reproducibility and accuracy of your results.

Alfa Aesar offers a wide range of fluxes and supplies customized formulations to meet specific analytical requirements.


Request a Quote


Life Science

Metals & Materials


Analytical & Labware