3M COMPANY | Analytical Chemistry

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The VYDAC Family for your HPLC Separation needs

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* ! t classically follows Beers law in its measurements. * H routinely includes an automatic gain control and zero suppression. «It equally interfaces with all Liquid Chromat ra n s stem

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. | t j n c o n S pj c u o u s |y takes up very * ' uniquely incorporates a double beam design. * '* invanaD|y IS a n honest instrument not relying on gimmicks to achieve unrealistic specs. * " indubitably is preferred by more | i q u i d chromatographers than all other models combined. Call or write now!

Phases: RP-2, RP-8, RP-18, oxynitrile,

Adsorbent, SAX, SCX, W A X

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Bulk material

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One Surface Analysis Instrument Now Deciphers All

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Inficon Decipher applies ESCA, ^ Ρ Β \(l Auger, and SIMS analysis techniques with ^=* no sample manipulation. UHV load lock intro­ duces samples in seconds; unique energy analyzer secures constant sample area. It's the most advanced complete instrument of its type. Write for 16-page color booklet. Infinitely better,

5 Adler Drive, East Syracuse, N Y 1 3 0 5 7 Phone 3 1 5 / 4 3 7 - 0 3 7 7 T W X 7 1 0 541-0594 Inquiries outside North America to: Leybold-Heraeus GMBH 8i Co. KG Gaedestrasse, D-5000 Cologne 51, West Germany

INFICON LEUBOLD-HERAEUS

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