NOW-
Whatman Reliability in a Precision Filter System for the Small-scale User
from
regis new
G C catalog with Special Gift Offer
Whatman
GAMMA-12 A major innovation in high performance in-line f i l t e r units, the new Whatman Gamma-12 is designed specifically for high efficiency particle removal in a wide variety of environments. It uses disposable glass microfiber filter tube elements to achieve exceptionally high flow rates and remark ably high particle retention. Whatman Gamma-12 can be used in-line or as an iniet or exhaust f i l t e r . . . it can be fitted with four grades of filter element covering a wide range of particle sizes, from 8 microns down to sterility levels. The Whatman Gamma-12 unit has a transparent bowl that allows continuous inspection of the filter element... replacement of the filter tube is simple, inexpensive, and no associated hardware is thrown away with the filter medium .. .the complete unit can be autoclaved. Gamma-12 is used for sterilization of air and main tenance of sterile environments . . . for the removal of microorganisms and particulate matter from water and other liquids . . . for virtually any filtra tion application in the laboratory or process plant. For the best results . . . the cleanest fluids . . . you need the finest in-line filter: Whatman Gamma-12.
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For further information on this remarkable new unit, call or write for our free Gamma-12 brochure.
reeve angel H. Reeve Angel & Co., Inc. 9 Bridewell Place, Clifton, N.J. 07014 Sole Distributor in North America
To introduce you to this new GC catalog, Regis is giving you a gift with each $50 or more pur chase of items from the new catalog. The gift is a beautiful, hardcover, clothbound 9x l i y 2 " , 214 page book,
"Exploring Space With a Camera" A special NASA pub lication, the book contains unprece F.XPT.ORIM' dented pictures, many in color, tak SPACl· \VII!( en during the first t e n y e a r s of t h e s p a c e age. P l u s many noted author ities contributed captions interpret ing and explaining the awesome pic tures of the Earth, the Moon and Mars. Write for the new Regis GC catalog now, or if you now have a catalog, place your GC order. Take advantage of the special gift offer and receive free, the historic book, "Exploring Space With A Camera."
1101 Ν. Franklin Chicago, III. 60610
®Whatman is a registered trademark df W. & R. Balston, L t d . , England.
Circle No. 119 on Readers' Service Cart
Write for the new Regis Gas Chromatography Catalog. In it you will find a comprehensive list of new GC materials and commonly used products highlighted by photographs, charts and graphs. The catalog contains 44 pages and is divided into 4 sections for easy refer ence. The sections are: The Column, The Derivative, The Analytical System, and The Accessories.
REGIS
Circle No. 120 on Readers' Service Card
A N A L Y T I C A L CHEMISTRY, VOL. 4 2 , NO. 1 1 , SEPTEMBER 1 9 7 0
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