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Only purge the atmosphere after using volatile or very reactive chemicals or solvents, or when otherwise necessary.  Do not let the purge run for more than five minutes.


Purging the atmosphere allows the rapid flow of new nitrogen gas into the atmosphere and expel of the current atmosphere. Purging for up to 5 minutes will allow the atmosphere to be completely replaced. To lower oxygen and other contaminant levels further, the atmosphere must cycle through the properly used and maintained catalyst bed.


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  • Home
  • About
    • Our Team
    • News & Publications
    • Newsletter
    • Employment Opportunities
    • Contact Us
    • Data Privacy
  • Programs
    • Green Lab Certification
    • Green Chemistry
    • Freezer Challenge
    • ACT
    • CEEL
  • Resources
    • Carbon Impact of Biotech & Pharma Report
    • Waste
    • Energy
    • Water
    • Green Chemistry
    • Other Topics
    • How to Green Lab
    • Partners
    • Case Studies
  • Sponsorship
    • Corporate Sponsorship
    • Donate
  • 2022 MGL Summit
    • 2022 Europe Summit
    • 2021 Sustainability Summit
    • 2020 Sustainability Summit
  • The Beaker
  • Education
    • Ambassador Program
    • Green Lab AP
  • Out of the Box Podcast