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FAITHFUL SERVANT

You're looking at the control cabinet of an F & M Series 810 Gas Chromato* graph. To the analyst who owns one, it is a faithful servant that carries out his every order accurately and reliably . . . and so completely that it

makes the 810 an all-but-automatic gas chromatograph. • Here's why we say this. After you inject the sample, all you have to do is push the start button (in the center of the lower drawer) and the 810 does the rest. • First,

it automatically starts a pre-set temperature cycle that combines adjustable isothermal and linear programmed periods. Then it cools the column, automatically opening the oven door to accelerate the process, until it re-equili­brates at the starting temperature, ready for the next sample. Meanwhile it automatically maintains predetermined detector conditions, and controls the flow of carrier gas in each of the two columns. When equipped with the auto­matic attenuator option, it also produces a measurable peak for each detected component regardless of concentration . . . automatically. • Why such a sophisticated gas chromatograph? First, because it assures you of almost perfect reproducibility by eliminating the human error that goes hand in hand with manual resetting. Second, because it liberates the chemists and tech­nicians in your laboratory and thus makes them more productive. • For more information on the automated F & M Series 810 Gas Chromato-graphs write F & M Scientific Corporation, Route 41 and Starr Road, Avondale, Pennsylvania, phone (215) 268-2281. European subsidiary: F & M Scientific Europa N. V., Leidsestraat 67, Amsterdam, The Netherlands.

F&M SCIENTIFIC CORPORATION A V O N D A L E , P E N N S Y L V A N I A

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