Need to spark a solid analysis? (CEC's Mass Spectrometer 21-110 gives high resolution on solids. Liquids and gases, too.)

latever advance materials you plan dng . . . solids, liquids or gases . . . you ι analyze them all—^at high resolut ion with CEC's 21-110. Here's a uniquely satile mass spectrometer, "hat's because both ends of the 21-110 modular. You can interchange the rad io

ijuency spark source (as shown above) ι a gas source, Knudsen Ce l l , or sur-e ionizat ion source. And, photograph ic I e lect rbmeter /e lect ronmul t ip l ier type lectors are interchangeable as we l l . lat's more, conversion from one type

analysis to another doesn't inhibit the high per formance of the basic analyzer system.

But versat i l i ty isn't the only story: the 21-110.gives you high resolut ion, t o o . This

double-focusing mass spectrometer employs a resolving system much more power fu l than any other instrument of its kind . . . bet ter than 1/2500 at m/e 28 for solids, and 1/7000 for liquids and gases. Sensitivity is in the par t -per-b i l l ion range.

For complete informat ion, call your CEC ,of f ice. Or , wr i te for Bulletin CEC 21110.-X9.

Analytical & Control Division

CONSOLIDATED ELECTRODYNAMICS A Subsidiary of Bell & Howell · Pasadena, California

CEC