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1
Introduction
When using hydrogencheck the system for leaks to prevent possible fire and
explosion hazards based on local Environmental Health and Safety (EHS)
requirements. Always check for leaks after changing a tank or servicing the
gas lines. Always make sure the foreline pump exhaust and GC injection port
vents are both vented into a fume hood.
22
4 Eliminate all potential sources of ignition in the room.
5 Open the vacuum manifold of the MSD to atmosphere.
6 Wait at least 10 minutes to allow any hydrogen to dissipate.
7 Start up the GC and MSD as normal.
5975/5977 Series MSD Operation Manual
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