NEVER BEFORE


NEVER BEFORE..pubs.acs.org/doi/pdfplus/10.1021/ac00172a743Custom detailing includes concealed...

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For unexcelled expertise in t h e design and manufacture of

L A B F U R N I T U R E , DURALAB features: METAL CASEWORK and F U M E H O O D S • Superior materials and craftsmanship • Engineered for your Special requirements • Approved budget Exclusive use of nickel + lead-coated sheet steel with baked-on enamel finish to provide corrosion and acid resistance for the utmost in performance, durability and value. Custom detailing includes concealed hinges, doublepanel insulated doors and drawers with removable panels for easy cleaning and decontamination. Call us to discuss your requirements.

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• A w a r d e d t o a Duralab Laboratory by Research & Development for 1984 and 1986.

DURALAB

IN

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107-23 Farragut Rd., Brooklyn, NY 11236 Phone : 718-649-9600 FAX: 718-649-5033 - SINCE 1952 -

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CIRCLE 34 ON READER SERVICE CARD

NEVER BEFORE...

Polystyrene Oligomers: LC/MS. normal phase gradient. Et mode yields intact molecular ions.

Drug Metabolites: LC/MS, reverse gradient. El mode yields detailed information.

phase structural

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240 Alpha Drive · P.O. Box 11512 · Pittsburgh. PA 15238 (412) 963-7530 · Telex 812 316 EXTRALAB CIRCLE 43 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 60, NO. 21, NOVEMBER 1, 1988 · 1235 A