Deuterium Oxide

**Definition:** The isotopic compound of hydrogen of mass 2 (deuterium) with oxygen. (From Grant & Hackh's Chemical Dictionary, 5th ed) It is used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes.

**Tree numbers:** - D01.045.250.875.200 - D01.248.497.158.459.650.200 - D01.268.406.500.250 - D01.362.340.500.250

**Synonyms:** - Heavy Water