WIN A $2,000.00 ROUND-TRIP FOR TWO TO HAWAII AT THE PITTSBURGH CONFERENCE ...or, if you elect, $2,000 in cash! To participate, simply remove this official entry form and take it to each of the exhibits shown below. They will each stamp your form. When fully stamped, bring it to the Analytical Chemistry booth (#2708) where the winning entry will be drawn by lot immediately after the Pittsburgh Conference closes. The winner will be notified promptly. To qualify, only one entry per participant. Good luck!

US associate of

E. Merck Darmstadt. Germany

EM SEPARATIONS

BOOTH NUMBER

5420

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MILLIPORE BOOTH NUMBER

5500

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Proven Precision. Rely on it. BOOTH NUMBERS 4329 - 4529

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BOOTH NUMBERS 5632 - 5732

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Barnstead Thermolyne BOOTH NUMBERS 4613-4713

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A&D ENGINEERING, INC.

BOOTH NUMBER

3867

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ANALYTICAL CHEMISTRY, VOL. 63, NO. 3, FEBRUARY 1, 1991 · 111 A

SHIMADZU

Valco Instruments Co. Inc.