New Products
Constant-Temperature Bath/ Circulating System Temptrol Model 254 is a compact, wide-range, constant-temperature bath and circulating system with an operating range of —15° to +150°C and a sensitivity of ±0.012° at 20°C. Featured are a direct-dial, four-place (0.1°C increments) digital display temperature setting and a one-piece, stainless-steel bath chamber with a working area of 12 X 6 X 6 in. Bath volume is 2 gal, and pumping capacity is 260 gal/hr. Applications are varied and include use with refractometers, spectrophotometers, and calorimetry. GCA/Precision Scientific 425
Set it,.Forget it Constant Current or Constant Voltage If long-term stability is important in your electrophoresis work, we suggest you investigate our new power supply. Your setting is maintained within ±0.05% for as long as it takes to complete your separations. Change in line voltage will not affect set voltage or current. Other benefits include full burnout protection and easy-to-read, separate voltmeter and milliameter. Single or multiple chamber use is regulated to 1000 VDC and 200 MA. Write today for complete details,
SEARLE Buchler Instruments Division of Searle Analytic inc. 1327 Sixteenth Street Fort Lee, New Jersey 07024
Power Supply with Buchler analytical electrophoresis apparatus.
CIRCLE 2 7 O N READER SERVICE CARD
THE ANALYTICAL INSTRUMENT MARKET IN EUROPE Analytical instrument sales to Western Europe will soar from $340 million in 1972 to $500 million in 1975 and $1.2 billion by 1981. Instrument sales growth will outpace the Gross National Product in ten European nations by the end of the decade.
Vortex-Evaporator Sample preparation requirements for RIA, drug abuse testing, electrophoresis, and gas chromatography are met and semiautomated with the Vortex-Evaporator. Vortex mixing, vacuum evaporation, and incubation with heating or cooling are combined in a single apparatus. Up to 90 samples can be handled at one time in a variety of vessels. The instrument features controlled temperature regulation within 1°C without use of a water bath. Buchler Instruments 405
For more information on listed items, circle the appropriate numbers on one of our Readers' Service Cards
Frost & Sullivan has completed a two volume, 280-page report with forecasts of the market through 1982 showing sales potential by end user and growth trends for eleven products including microscopes, spectrometers, x-ray devices, nuclear instruments and thermal analyzers. The report will guide analytical instrument manufacturers and their suppliers to the market in each country during the next ten years. Price $475. Send your check, or we will bill you. For free descriptive literature plus a detailed table of contents contact:
FROST & SULLIVAN, INC. 106 Fulton Street New York, New York 10038
(212) 233-1080
CIRCLE 79 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 46, NO. 8, JULY 1974 . 753 A