A Sturdy All-Purpose Variable Speed Shaker Designed for the Laboratory Bench, Cold-Room or Refrigerator
more and more manufacturers report:
THE
OMNISHAKER
processing with Hanovia photochem ical equipment increases output, ef fects substantial production savings. Send for Bulletin 2-3000
LABORATORY GLASS AND INSTRUMENT CORP. 5 1 4 W. 147th St., N e w York 3 1 , Ν . Υ. Circle No. 91 A-1 on Readers' Service Card, page 99 A
Evaporate Multiple Fraction Cuts DIRECTLY from Test-tube in 1 0 - 2 0 minutes!
THE
EVAP0MIX Send for Bulletin 3-2000
If your production involves synthesis, decomposition, hydrolysis, hydrogénation, oxidation, reduction, polymerization, bleaching, precipitation, isomeric change, and halogenation, surely it is in your interests to investigate Hanovia Photochemical Equipment. It may prove to effect as substantial savings for you as it has for a rapidly increasing number of manufacturers—large and small. Hanovia Photochemical Equipment produces greater output in less time with less plant equipment, and with substantial savings. Hanovia Photochemical Equipment has proven the powerful and suitable source for actinically sensitized reactions. YOURS ON REQUEST: Valuable, informative 16-page brochure, PHOTOSENSITIZATION, a review, details facts on Photochlorination, Oxidation, Hydrolysis and Hydrogénation, Polymerization, Bromination, Isomeric Transformation, Decomposition, etc. Each subject is fully described in light of proven techniques and results, with complete bibliography included. Write today for your copy without obligation. Dept. AC-9.
•
Hanovia Laboratory Photochemical Reaction Equipment. Immersion wells, high-pressure mercury-vapor ultraviolet lamps, and controls. Enables reaction techniques to be evolved and evaluated. Permits studies of actinic processes, admixture of reactants and temperature control. Fits standard 5 or 12 liter laboratory flasks. Hanovia Utility Model Quartz Lamp. Compact powerful laboratory-size ultraviolet lamp is of major value for preliminary determination of the potential benefits of photochemical reactions in your own processes.
FEATURES! 12. 3.
Simultaneously evaporates 10 testtubes, 16-20 mm did. X 150 mm long. Controlled vibration prevents bumping during heating. Temperature range from —73° to 200° C. Controls include 500
4. 5.
Watt heater, Fenwall thermoregulator, end dial thermometer. Connects to water aspirator for vacuum. Furnished with shut-off and bleeder stopcocks. Dimensions: 9" wide, 1 8 " high. and16"long. Weight: 35 lbs.
LABORATORY GLASS AND INSTRUMENT CORP. 5 1 4 W. 147th St., N e w York 3 1 , Ν . Υ.
ΗANOVIA
GREATEST NAME CHEMICAL&MFG.CO.IN ULTRAVIOLET £-Μ£Ζ£·£_β*Α
S? £J
SSV£*tS£T7-^f£-S·
100 Chestnut Street, Newark 5, New Jersey Chicago · Cleveland · Washington, D. C. · Los Angeles · San Francisco
Circle No. 91 A-2 on Readers' Service Card, page 99 A
Circle No. 91 A-3 on Readers' Service Card, page 99 A
VOL. 29, NO. 9, SEPTEMBER
1957
·
91
A