Country of Origin United States

Check the listing for details. Elemental Selenium Beads 10g+, 99.999%+, In Glass Display Bottle. Condition: New, Made in United States. Listed at 9.95 USD. Selenium is a semiconductor and is used in photocells. Applications in electronics, once important, have been mostly replaced with silicon semiconductor devices. Selenium is still used in a few types of DC power surge protectors and one type of fluorescent quantum dot.

$7.96
$9.95