MODEL C ROTARY EVAPORATOR

High-vacuum, loiv-temperature Rotary Evaporator

from CdLab features:

All glass and Teflon surfaces: No metal, rubber or grease to react with sensitive materials.

Greaseless vacuum seal: Teflon ball joint in stationary glass socket joint forms seal that maintains 0.1 mm vacuum while flask and shaft rotate.

Continuous addition: Easily adapted for either continuous addition rotary evaporation of flash evaporation.

Heavy-duty motor: Fully enclosed Bodine induction motor powers unit with sparkless, quiet, cool-running operation.

For full information on the Model C Rotary Evaporator, ivrite for Brochure AE.

California Laboratory Equipment Company 1717 Fifth Street Berkeley 10, California

Circle No. 131 on Readers' Service Card

GLASS ABSORPTION CELLS OF FINE QUALITY

KLETT

Klett-Summerson Photoelectric Colorimeters -Colorimeters - Nephelometers - Fluorimeters Bio-Colorimeters - Comparators - Glass Stand­

ards - Glass Cell - Klett Reagents KLETT M A N U F A C T U R I N G C O . , I N C . 1 7 9 E A S T 8 7 T H S T R E E T N E W Y O R K Ν . Υ .

1 2 4 A · ANALYTICAL CHEMISTRY

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CALAB