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Have You Published Using an Enzo Product?
Inert gases such as nitrogen or argon are used to protect compounds that are highly prone to oxidation.
To store a material under inert gas, first choose a vial with a tight fitting lid or cap, preferably with either a neoprene stopper or a neoprene gasket to make sure that the seal is as air tight as possible. Aliquot your material as desired then simply use a flexible rubber tube to direct a stream of nitrogen or argon gas down into the vial for few seconds, then cap the vial tightly and seal with parafilm.
(Note: each time a vial is opened and used the nitrogen or argon will need to be replaced before the vial is recapped and returned to storage).
We will only indicate these measures for compounds that are extremely prone to oxidation . These products would have extremely short shelf life without the inert gas.