You get more of the better things first from Trough angle a n d ^ ^ l j radius researched ^ to provide ideal pouring characteristics
FOR EXAMPLE.
BETTER
Kimax Graduated Cylinders Smooth, ^ continuous seal; no inner constriction
Pour-out directly above base-corner to prevent damage if knocked over
1ΜΪΤΠ
Better because . . . cylinders are retested 100% for accuracy. S A F E - G A R D38 plastic bumpers — at no extra cost — help prevent c h i p p i n g and breakage. M i x i n g cylinders available w i t h protective plastic or glass Foot is mado stoppers. flat to assure stability
Rugged seal.
Body-to root true perpendicular Permanent scale., Ratio of I.D. to length controls spacing of subdivisions
Heavy reinforcing — bead Uniformsheavy wall
OWENS-ILLINOIS maker of Kimble Products Tofedo 1, Ohio
Circle No. 189 on Readers' Service Card
Preparative Chromatograph FRACTOVAP model Ρ •
Preparative and analytical chromatograph
•
Single on dual column system
•
Isothermal or automatic linear temperature pro gramming
•
High-capacity automatic injector: 0.3-M2 ml
•
High-efficiency, large-bore preparative columns
•
Fast heating (50 - 300° C in 10 minutes) cooling (300 - 50° C in 5 minutes)
•
Automatic peaks selector
•
Programmed fraction collector with static valving and absolutely sealed condensate cuvettes
•
Carrier recirculation system (optional)
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Complete automatic and unattended operation
•
Temperature ranges: vaporizer 50 - 350° C column oven 50 - 300° C detector 50 - 350° C
and
CARLO E R B A SCIENTIFIC I N S T R U M E N T S DIVISION VIA IMBONATI 2Λ MILANO C'TALY)
Circle No. 52 on Readers' Service Card
68 A
ANALYTICAL CHEMISTRY