A new reference guide for innovators.

"Innovative Products for Separation Science!' the all-new comprehensive Schleicher & Schuell catalog and refer­ence guide, is now available on request. Much more informative than a mere cat­alog, this 48-page, full-color book pro­vides complete product descriptions... tells how to select and use separation media...and includes explanatory text, charts, illustrations, and convenient fold-out reference tables. S&S has put a lot into it, so you can get more out of it. Next time you need filter paper. .membrane filters and related apparatus...or chromatogra­phy products..have this complete selec­tion and ordering guide on hand. Send now for your free copy.

Schleicher & Schuell Keene New Hampshire 03431 (603) 352-3810 CIRCLE 189 ON READER SERVICE CARD

Innovative Products for Separation Science

S&S

Schleicher & Schuell S&S