Selenium, amorphous red color material, is becoming black on
standing and crystalline on heating, soluble in concentrated nitric
acid and in common alkali, lower toxicity.
Product Feature
Selenium (Se)
Purity *9%
Impurities PCT Max Each
Fe/Hg 0.**5, As/Pb 0.*1, Cu 0.**1, Sb 0.**5, Te 0.*4
