Selenium

Selenium is widely dispersed in nature with a 0,000013 concentration in the earth's crust; it can easily be obtained in the solid, liquid and gas state. Selenium is used in the electronic industry, ceramic industry, iron and the steel industry to increase workability. In the form of mono-sulphide, Selenium has a yellow-orange appearance and is mainly used in the veterinary profession, while as a disulphide with a typical red colour, it is used in the pharmaceutical industry.For over 10 years Todini Chemicals has been distributing Selenium and Selenium salts from the best European selenium manufacturers to serve the main application sectors: glass, galvanic technology and animal feed.

Selenium Metal Powder (99,9%)

Se

  • Family Se (Selenium)
  • CAS registry number 7782-49-2
  • Formula Se

Selenium is found dispersed in nature especially associated with sulphur. It occurs in various forms: solid, liquid or gas.

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Barium Selenite

Se

  • Family Se (Selenium)
  • CAS registry number 13718-59-7
  • Formula BaSeO3

Barium selenite has weak oxidizing or reducing powers. Redox reactions can however still occur. The majority of compounds in this class are slightly soluble or insoluble in water. If soluble in water, then the solutions are usually neither strongly acidic nor strongly basic. These compounds are not water-reactive. Noncombustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

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Selenium Dioxide

Se

  • Family Se (Selenium)
  • CAS registry number 7446-08-4
  • Formula SeO2

Selenium dioxide is prepared by oxidation of selenium by burning in air, nitric acid or by reaction with hydrogen peroxide, but perhaps the most convenient preparation is by the dehydration of selenous acid. It is also the most common found compound of selenium.

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Selenium Metal Powder (99,5%)

Se

  • Family Se (Selenium)
  • CAS registry number 7782-49-2
  • Formula Se

Selenium is found dispersed in nature especially combined with sulphur. It occurs in various forms: solid, liquid or gas.

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Sodium Selenate

Se

  • Family Se (Selenium)
  • CAS registry number 13410-01-0
  • Formula Na2SeO4

Sodium selenate is the sodium salt of selenic acid. Very interesting due to the high solubility and the low reactivity.

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Sodium Selenite Anhydrous

Se

  • Family Se (Selenium)
  • CAS registry number 10102-18-8
  • Formula Na2SeO3

Sodium salt of selenium is the most common water-soluble selenium compound. Sodium selenite usually is prepared by the reaction of selenium dioxide with sodium hydroxide.

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Zinc Selenite

Se

  • Family Se (Selenium)
  • CAS registry number 13597-46-1
  • Formula ZnSeO3

Zinc Selenite is the Zinc salt of Selenous Acid H2SeO3.

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