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 . 0 5 % 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 i n c . 1327 Sixteenth Street Fort Lee, New Jersey 07024
Power Suppfy
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
