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Selenium compounds for technical applications


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The industrial applications of selenium are numerous and diverse

We offer high-purity selenium in various purity grades for use in a wide range of technical applications:

  • Production of infrared-transmitting chalcogenide glasses (AsSe / GeAsSe compounds)
  • Manufacturing of thin-film solar cells (CIGS technology)
  • Production of cadmium-based color pigments
  • Use of selenium dioxide for blackening (brunishing) various metals such as copper or brass, producing a black finish

Supplier of the highest-quality selenium products for manufacturers of technical applications worldwide.

From glass coloring and decolorization to the coating of digital X-ray detectors, selenium plays a vital role in a wide range of industrial applications. Glass manufacturing alone accounts for approximately 50% of global annual demand for selenium products. Selenium is also essential in alloy production and the solar industry, where it is a key component of CIS/CIGS thin-film solar cells. The manufacture of these solar cells requires ultra-high-purity selenium of uncompromising quality, with absolutely no variation in purity. The highest-grade selenium reaches a purity of 99.999%. We are among the very few manufacturers worldwide capable of achieving this level. Only such purity ensures long-term performance, efficiency, and reliability.

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High Purity Selenium
Our high purity selenium for technical applications (i. e. solar and high-tech industry) are characterized by high consistent quality and low iron co…
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Metal pellets-Produktbild-1200x750
Metal pellets
Our metal pellets for technical applications (i. e. glass, high-tec industry and batteries) are characterized by high consistent quality and low iron…
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Metal powder-Produktbild-1200x750
Metal Powder
Our metal powder for technical applications (i. e. glass, high-tec industry and batteries) are characterized by high consistent quality and low iron…
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Selenium Dioxide
Selenium Dioxide
Our selenium dioxide is produced using a special crystallization technique. We guarantee a very high purity and a low-dust product. Each batch underg…
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Sodium Selenate
Sodium Selenate
Our sodium selenate in powder form and as an aqueous solution for technical applications, including fertilizers, is characterized by high consistent…
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Sodium Selenate
Sodium Selenate
Our sodium selenate in powder form and as an aqueous solution for technical applications, including fertilizers, is characterized by high consistent…
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Sodium Selenate
Sodium Selenate
Our sodium selenate in powder form and as an aqueous solution for technical applications, including fertilizers, is characterized by high consistent…
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Sodium Selenite
Sodium Selenite
Our sodium selenite powder for technical applications is characterized by high consistent quality, low in dust and low iron contents. Each batch unde…
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Sodium Selenite
Sodium Selenite
Our sodium selenite powder for technical applications is characterized by high consistent quality, low in dust and low iron contents. Each batch unde…
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Sodium Selenite
Sodium Selenite
Our sodium selenite powder for technical applications is characterized by high consistent quality, low in dust and low iron contents. Each batch unde…
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Zinc Selenite-Produktbild-1200x750 Kopie
Zinc Selenite
Our zinc selenite powder for technical applications is characterized by high consistent quality, low in dust and low iron contents. Each batch underg…
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RETORTE GmbH
RETORTE GmbH

Selenium Chemicals & Metals

Phone +49 911 95 33 74-0
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Whether questions, criticism or suggestions: We look forward to hearing from you.