TheOn-ColumnPTV isa resistivelyheatedpre-column, consistingofa1-meter longsegmentof0.53ID
metal capillarycolumn (5µm film thickness), and insulating teflonsleeve. Thepre-column isconnected
to the user’s narrowbore columnwith a special, electrically insulated split “T” inside theGC column
oven.
Thepre-columnwill be factory installed. Shouldyouneed todisconnect it, simply loosen the injector
port fitting inside the column oven and pull the pre-column out. Loosen the “T” fittings and remove
both the pre-column andnarrowbore column from the “T.” Connect your replacement column to the
injector port fitting inside the column oven.
INJECTORS
OCPTV - On-Column ProgrammedTemperatureVaporization Injector
Like theSplit/Splitless injector, theOCPTVhas a split vent andneedlevalve for venting solventwhile
concentrating sample.
Overview
Standard
on-column
injector port
“T” connection
OCPTV
Narrow bore
column
