oxygen prematurely ages an oil. to preserve essential oils, we float our "oxygenbarrier," (a blend of nitrogen and other inert gasses, heavier than air) on top of our bulk oils to prevent the eo from coming into contact with oxygen in the air. that extends their shelf life. believe it or not, as tiffany...
if there's one thing you need to operate an effective analytical or research lab, it's precision. instrument-grade and ultra-high-purity gases from nexair meet the strictest standard of quality around—ours. we can create custom gas mixtures to your lab's exact specifications too. and you get proof of...