I®
FILAMATIC® ^
* METERING PUMP * VIAL FILLING MACHINE
DO IT WITH SOUND WAVES
The multi-purpose Filamatic will meter liquids with an accuracy of a fraction of 1 % in batch or continuous processes and pilot plant set-ups—fill vials and containers in assembly line operations —pipette chemicals and reagents automatically. Handles all free flowing liquids including concen trated acids, saturated solutions, suspensions, etc.
Φ
Fragmentation
Φ
Impregnation
•
Dispersion
φ
Flocculation
φ
Emulsiflcation
φ
Extraction
•
Coagulation
φ
Disintegration
Are you seeking time-saving, cost-cutting ways to im prove chemical or industrial processes? Raytheon Sonic Oscillators are practical, powerful, simple-tooperate laboratory tools that open up new fields of research into the application of sonic vibrational energy. Get the facts on what others are doing. Write for detailed bulletins and literature on recent applica tions in research. Address Dept. 6270-AC.
RAYTHEON MANUFACTURING COMPANY
FEATURES • Speed and f e e d vari able from zero to maximum • W i d e range .025cc to 130cc per stroke (3cc to 1 56 liters per hour) •
EQUIPMENT
motor, variable from 1 to 9 0 strokes per minute.
Prices from
SALES
DIVISION
W A L T H A M 54, MASSACHUSETTS
District Offices: Boston, New York, Cleveland, Chicago, New Orleans, Los Angeles (Wilmington), San Francisco, Seattle
$199 to $315
International Division: 19 Rector Street. Ν. Ύ. C.
Electronically controlled
Ask your dealer for demonstration or request Bulletin 4-5
NATIONAL INSTRUMENT CO. 5 0 0 5 Queensbury Avenue
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SONIC OSCILLATORS
Baltimore 1 5, M a r v l a n d
mm>m*
Introducing the
MICRO OXYGEN BOMB The 50 ml. N o . 1103 micro oxygen b o m b is a recent a d d i t i o n t o t h e family of Parr oxygen bombs recom mended for the determination of sul fur, chlorine and other elements in small samples weighing from 50 to 400 milligrams.(*) The bomb is selfsealing, made from corrosion resistant alloys and requires no liner. Oxygen is admitted and residual gases released through a single manually operated needle valve. The relative size of the 1103 micro bomb is shown at E.
O f h e r Parr oxygen bombs include: A · N o , 1101, double valve, self sealing, 360 ml. 6. N o . I 102, single valve, self sealing, 360 ml. C . N o . 1002, double valve, manually sealed, 380 m l . D, N o . 1104, double valve, manually sealed, 2 4 0 ml., high pressure t y p e .
•Anal. Chem., 23,1008-11 &23,1011-13 (1951)
Ask your Parr dealer, or write to the factory for details concerning any of the Parr oxygen bombs.
PARR EST. 1899
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INSTRUMENT CO., MAKERS OF CALORIMETERS
MOLINE. ILLINOIS
A N D PRESSURE R E A C T I O N
EQUIPMENT
