Cape Verdeimports of Heavy water (deuterium oxide) was $0.42K . Cape Verdeimported Heavy water (deuterium oxide) from Portugal ($0.42K )Cape Verdeimports of Heavy water (deuterium oxide) was $0.42K . Cape Verdeimported Heavy water (deuterium oxide) from Portugal ($0.42K ).Heavy water (deuterium oxide) exports by country in 2021