MS-Filtration-Labware013 - page 104

SeptaSelectionGuide
PTFE
 Recommended for single injection application.
 Ideal for use inMS applications
 Excellent solvent resistance and chemical compatibility
 Does not reseal uponpunching
 Not for Long-term sample storage
PTFE/Silicone
 Recommended formultiple injection and sample storage
 Excellent resealing
 PTFE chemical resistance until punctured, then will have the
chemical compatibilityof silicone
 Working temperature range from -40°C to200°C
 Pre-slit PTFE/Silicone
 Prevent vacuum formation in vials
 Eliminates coring frombottomdraw-port needles
 Good resealing capabilities
 Recommended formultiple injections
 PTFE chemical resistance until punctured, then will have the
chemical compatibilityof silicone
 Working temperature range from -40°C to200°C
Vials SelectionGuide
 Type 1, 51-expansionborosilicate glass
 type-2, 33- expansion glass
 Deactivated glass (DV)
Treated with gas phase reactive organosilane to produce a
hydrophobic glass surface. Can be stored indefinitely.
 HeadspaceVials
Uniform glass thickness which insures even heat distribution for
consistent sampling reliability.
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