User`s guide

Theory of Thermal Desorption
297
Introduction
Manual Pneumatics
Two models of TurboMatrix Series offer the standard manual
pneumatics. The TurboMatrix 100 TD offers a single tube thermal
desorber with manual pneumatics. The TurboMatrix 150 ATD is an
automated Thermal Desorber with manual pneumatics.
Programmable Pneumatic Control (PPC)
Three models of TurboMatrix Series add Programmable Pneumatic
Control (PPC) to the TurboMatrix TD/ATD along with split sample
recollection that allows for enhanced performance and functionality.
See the following table for model descriptions.
The PPC models are TurboMatrix 300 TD, TurboMatrix 350 ATD
and the TurboMatrix 650 ATD. The TurboMatrix 650 ATD offers
sample recollection and trap impedance measurement. PPC boosts
performance and productivity.
The PPC feature provides a very easy and convenient way of setting
gas flows and pressures. In addition, PPC is the enabling technology
that delivers many other features and benefits that will maximize
your analyses. These include:
• Electronic carrier gas control of pressure or flow within the
GC column delivers maximum performance and flexibility.
• Electronic mass flow controllers allow the user to set and
monitor the flow rates for all splits and desorption flow
rates, delivering increased productivity through ease-of-use.
• All applied conditions are stored in a single method and
provide the user with a complete record and status of
analytical conditions. With the remote control software
(RSC), such methods may be archived and printed from a
PC.
• Resettability of gas flows and pressures for ease of-use to
quickly set up a method and get the same results each time
an analysis is run.
• Pressure-pulsed trap desorption allows the user to increase