Varian MAT is first: GC/MS-Systems with Turbomolecularpumps
Have you dreamt of the perfect vacuum condition for your GC/MS system? A system you turn on and some minutes later it has reached the operating pressure of < 10""7 Torr? A system which operates without any fluids and therefore has low back ground? A system without conductivity reducing accessories like valves, cold traps or baffles? A system that does not need liquid nitrogen or refrigeration devices? Or a system which can be vented accidentally and be back in operation immediately?
Well, we don't dare to claim that we have the perfect system, but the Varian GC/MS system with turbo molecular pumps offers the following advantages:
Would you agree that this is the almost perfect system? But it didn't come easy. Many months of extensive tests were necessary to optimize the system's performance. Today VARIAN MAT is the first manufacturer of commercial mass spec trometers and GC/MS systems offering turbo molecular pumps. This standard option to diffu sion pumps is available at only slightly additional cost to the customer.
To obtain your copy of our special brochure "Turbomolecular pumps" please contact:
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High pump stability Extremely low end vacuum « 10" 8 Torr) High reliability Low operating cost (no coolant necessary) Almost maintenance free Low background (no oil or mercury)
varian
VARIAN MAT/U.S. Operations 25 Route 22 Springfield, New Jersey 07081 Telephone 201/467-3660
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CIRCLE 221 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 48, NO. 2, FEBRUARY 1976 · 115 A
