112 User Information
Developing Methods
maintained at the vial’s still-elevated pressure. Because the
loop pressure is greater, the analyte will be more concentrated
and, consequently, more sample will be injected into the GC. A
length of restrictive tubing can be attached to the Swagelok
fitting labeled “vent” on the back of the Headspace Sampler to
increase sensitivity.
medium_standard.book Page 112 Tuesday, February 17, 2004 10:14 AM