AUTOPREP COLLECTION BOTTLES These bottles were designed specifically for the Autoprep or for the Aerograph mechanical two-position collector. For solids, which would plug the neck of the bottle, types 2 and 4 should be used. Glass wool aero sol scrubbers are usable in any of these tubes. The bottle neck is provided for repair or for attachment to your own particular collector bottle system. SPECIFIC/mc-NS
RECOVERIES Ether
Methyl Laurate
Camphor
Item
%
%
%
1 2 3 4 5 6
90.2 81.0 84.3 81.0 91.3
93.0 88.5 90.0 84.0 96.0
Plugged 92.7 Plugged 93.3 Plugged
—
—
—
Model Size 66-012 5 ml 66-018 5 ml 66-011 20 ml 66-019 20 ml 66-023 1ml BN (bottl 3 neck)
KEEPING YOU CURRENT... Staying current on latest column packings and techniques in the field of gas chromatography is a never ending problem. The chemist is the one per son who develops and proves these new techniques. To this end we keep a large staff of chemists at the Walnut Creek Home Office, and have now added a chemist to each regional sales office. Phone any of the numbers below at any time, if you have a problem we might help you with. These efforts combined with submitted sugges tions are brought to you in Aerograph Research
Notes and Previews and Reviews. For this reason, we greatly value your special samples for free anal ysis. Just write a short note giving the approximate composition of your sample. Please mention if you wish us to keep either your name or subject confi dential. And remember... the author of any item which is published in Research Notes will receive a free 10 μΙ w/g Hamilton Syringe. Please submit your short article (200 to 400 words) or helpful G.C. hint to Editorial Office at Walnut Creek, Calif.
HOME OFFICE AND WESTERN REGIONAL OFFICE BOX 3 1 3 · W A L N U T CREEK, CALIF. · PHONE 4 1 5 - 2 8 4 - 7 1 6 6 TWX: 4 1 5 - 2 8 1 - 5 2 6 6 CABLE: " A e r o g r a p h " W A L N U T CREEK Warren Wood, Sales Manager
Hal Bellows, T e c h n i c a l Rep.
Research Chemists
Keene Dimick · Dir. Research Hal Hartmann · Electron Capture Earl Taft · Autoprep Ernie Bonelli · Pesticide Analysis Plus a large staff of Applications Chemists.
DOMESTIC REGIONAL OFFICES EASTERN
MIDWEST
SOUTHWEST
John Migliore · Regional Manager Robert McClure · Technical Rep. Louis Regali · Applications Chemist Dorothy Meads · Secretary Lakeside Office Park (Main Office) 591 North Avenue—Door 2 Wakefield, Massachusetts Phone: 617-245-9494
Jim Hudson · Regional Manager John Ruszel · Technical Rep. David Roy · Applications Chemist Beverly Schmutte · Secretary 5151 N. Harlem (Main Office) Chicago 3 1 , Illinois Phone: 321-631-8776
Don Wreyford · Regional Manager Frank Owen · Technical Rep. Jack Q. Walker · Applications Chemist Julie Council · Secretary 2510 Broad Street (Main Office) Houston 17, Texas Phone: 713-MI 5-3244
TWX: 312-265-1079
TWX: 713-571-1122
TWX: 617-245-6750
WILKENS
INSTRUMENT
& RESEARCH,
INC.