We offer selenium enriched by isotope 74 with isotope purity not less than 99,95 %, chemical purity not less than 99,9822 %.  At present is available 2000 gr. Selenium-74, isotope purity is 99,9822 %, chemical purity is 99,95 %, located in omsk, russia. Price 58 000 $/gram. We are ready to issue documents after the concrete official inquire of the buyer.