• Dual glass columns •Dualmetalcolumns •Dual electrometer
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• 4 oinization detectors
• 3 column oven temperature controllers Model 2440 Gas Chromatograph No. 1 in its class-By any criterion Don't take our word for it. M a k e your own comparison. Check all the gas chromatographs in the 2440's price range. Here's what you'll find: Only the 2440 gives you 1X 10~ 12 a.f.s. sensi tivity, which enables you to perform even difficult trace analyses. Only the 2440 has dual columns and a dual electrometer. You can run both columns inde pendently and simultaneously. (Think of how m a n y samples a day that will let you turn out. ) And you can use either dual capillary, high performance Vs " metal, or XA " o.d. X 2 m m i.d. glass columns. Only the 2440 gives you a choice of four highly sensitive ionization detectors t h a t all fit on the same base. You can easily interchange them yourself in 5 minutes, or less.
And there's more. A glass system from the injector to the detector — ideal for pesticide, biomedical, or toxicological applications. You can choose from t h r e e c o l u m n oven t e m perature controllers. Independently controlled injector, column, and detector temperatures are standard. So is the most useful accessory panel you've ever seen. It lets you install acces sories quickly, and without modification to the instrument. T h e compact 2 4 4 0 provides research-grade performance routinely, day in and day out. Yet it is so rugged and reliable, it is also ideal for routine or quality control applications. You owe it to yourself to take a close look at t h e 2 4 4 0 . No other GC in its price range has as many features or provides such high per formance.
varian instruments
2700 MITCHELL DR / WALNUT CREEK / CALIFORNIA / USA 94598 π 6358 VISCOUNT RD / MALTON / ONTARIO / CANADA STEINHAUSERSTRASSE / 6300 / ZUG / SWITZERLAND Π ANALYTICAL 679 SPRINGVALE RD / N.VOL. SPRINGVALE / AUSTRALIA CHEMISTRY, 44, NO. 9,/ VICTORIA AUGUST 1972 • 51 A CIRCLE 216 ON READER SERVICE CARD
