Method of identifying chemicals by use of non-radioactive isotopes

摘要: A method is disclosed for identifying the source of a transported chemical shipment. The employs either element or an organic compound with one more atoms that are non-radioactive isotopes generally not found in nature. small quantity isotopic introduced into storage vessel containing to be prior shipment chemical. Upon arrival at its destination point, sample analyzed. Matching indicative shipped identical received. Non-radioactive materials may further employed detecting newly contaminant water supply. substance isotope being transported.