| http://www.w3.org/ns/prov#value | - [0045] The precursor, oxidising agent, terminating reagent and other such reagents and solvents are each supplied in suitable vials or vessels which comprise a sealed container which permits maintenance of sterile integrity and/or radioactive safety, plus optionally an inert headspace gas (eg. nitrogen or argon), whilst permitting addition and withdrawal of solutions by syringe or cannula.
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