NEW VERTICAL GEL ELECTROPHORESIS APPARATUS
COUNTERCURRENT FRAGIONATOR
EC520 COUNTERCURRENT FRACTIONATOR with automatic drive, 2 racks of 100 20-ml tubes on base 2 4 " χ 3 4 "
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EC470 VERTICAL GEL ELECTROPHORESIS APPARATUS, Ι ό cm χ 16 cm χ 2 2 cm. Dual cooling plates.
and detailed
E-C APPARATUS COMPANY,
specifications
5 3 8 WALNUT LANE, SWARTHMORE, PA.
Circle No. 29 on Readers' Service Card
Announcing the World's First and Finest
AUTOMATIC RECORDING SPECTROPOLARIMETER FOR ROTATORY DISPERSION A N D OPTICAL R O T A T I O N KINETICS • BASIC SENSITIVITY: 0.001° arc • WAVELENGTH R A N G E : 200 to 700 millimicrons • T H R E E OPTICAL ROTATION R A N G E S : 2°, 20° and 200° dextro or levo • ZERO OPTICAL ROTATION POSITION is adjustable along vertical recorder axis • N I N E SCANNING S P E E D S Model #260/655/850/810 — 614 • W A V E L E N G T H AND TIME-BASE D R I V E S are easily interchangeable
RUDOLPH INSTRUMENTS ENGINEERING CO., I N C . P. O . Box 2 6 5
LITTLE FALLS
NEW JERSEY
OFFICE: 61 Stevens Ave. al Walnut St.
·
ANALYTICAL CHEMISTRY
TELEPHONE: CLifford 6-1491
Circle No. 174 on Readers' Service Card 108 A
U. S. A .
