DRY AIR & GASES
SMALL B O M B S and PRESSURE VESSELS
ACRYLIC COLUMN DRIES AIR TO A DEW POINT O F - 1 0 0 ° F AT PRESSURES UP TO M psig This Plexiglas unit uses indicating DRIERITE as its desiccant to com pletely dry air and gases at atmos pheric pressure or up to 90 psig. A simple connection by rubber hose from the compressed air line or gas cylinder to the bottom inlet pro vides an immediate flow of dry gas. Flow rate may be 200 liters per hour or 0.1 scfm. Indicating DRIERITE changes from blue to pink when exhausted. Up ward progress of color change pro vides a constant visual assurance of active desiccant. Regenerating restores blue color.
Size: 25/»» χ 11%"
Write for Bulletin
DRIERITE
68
W. Α. HAMMOND DRIERITE CO. 138 Dayton Avenue Xenia, Ohio
Circle No. 127 on Readers' Service Card
CAIAB
for repeated and rapid volumes
PARR INSTRUMENT COMPANY 211 Fifty-Third St.
Moline, Illinois
Circle No. 87 on Readers' Service Card
CALIBRATED D I S P E N S E R S of accurate
Sizes: 22, 45, 7 1 , 128, 200, 310, 510 ml. and larger. Materials: T316 stainless, Monel and other alloys. Working pressures: up to 5000 psig. and higher. Maximum temperatures: 350°, 500° C. and higher. Valves, electrodes and other fittings can be provided. Let PARR help you select a combination suitable for your particular requirements.
delivery of
liquid
CALAB
Model C SPECIAL
ROTARY EVAPORATOR Ηί-Vacuum—Low Temperature Greaseless Vacuum Seal
Interchangeable
delivery
heads
calibrated 1 t o 100 cc in Vi cc increments.
All Glass & Teflon Surfaces: No metal, rubber or grease to react with sensitive materials. Continuous Addition: Easily adapted to either continuous addition or batch evap oration.
Accurate to ± 1 % . Espe cially useful for handling volatile, toxic or otherwise dangerous materials . . . as well as alkaline solutions which ordinarily a t t a c k glass stopcocks in burettes. Unconditionally guaran teed.
Write for Brochure AE
California Laboratory Eqpmt. Co. 1717 Fifth Street, Berkeley 10, California
write for Brochure DA
CALIFORNIA LABORATORY
EQUIP. CO.
1717 Fifth Street, Berkeley 10, Calif. Circle Nc. 110 on Readers' Service Card 146 A
·
ANALYTICAL CHIMISTRY
Circle No. 119 on Readers' Service Card
