Place of Origin: Russian Federation Brand Name: Selenium Isotope Model Number: Selenium Isotope
Selenium Isotopes Mixture. Contains Selenium Isotope 74, 77, 80, 82 at least 99. 8%
We're offering Selenium Isotopes Mixture for 500 grams ask for the first trading , and more than 10, 000 grams for ordering. If you're interesting in it , plz mail me asap ^^
