selenium tellurium lead

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Tellurium - Wikipedia

In contrast to selenium, tellurium does not usually replace sulfur in minerals because of the great difference in ion radii. ... copper, and lead alloys.

Selenium - Wikipedia

Selenium is a chemical element with symbol Se and atomic number 34. It is a nonmetal with properties that are intermediate between the elements above and below in the ...

ASARCO » Tellurium

Tellurium also helps control the depth of chill in cast iron and is added to lead to increase resistance to vibration and fatigue. ... Lead: %: maximum: Selenium:

Tellurium | Te - PubChem

May cause irritation of the respiratory system & lead to bronchitis & pneumonia. /Tellurium ... was used in the study rather than tellurium metal. The Selenium ...

Selenium - EPA Archives

and bismuth and tellurium in lead-free brasses. ... The selenium-tellurium photoreceptors used in some xerographic copiers and laser printers have been replaced by

Selenium | Se - PubChem

Selenium is an element with the atomic symbol Se, atomic number 34, and atomic weight It is an essential micronutrient for mammals and other animals but is ...

Selenium: Contrary Stuff |

Selenium: Contrary Stuff. ... Selenium-Tellurium Development Association ... are usually just two of such byproducts from copper and lead ores, with gold and silver ...