NEW 2" PHOTOMULTIPLIER
Fat, Oil and Fiber Determinations are FASTER, MORE ACCURATE with LABCONCO EQUIPMENT GOLDFISCH FAT EXTRACTOR Now solvent extractions which formerly took u p to 16 hours can be made in two to three hours. T h e Goldfisch F a t Ex-
CBS Laboratories' 14-stage CL-1090 is the only photomultiplier tube combining LOW DARK CURRENT WITH FAST TRANSIT TIME At A Gain Of
Max. Anode Dark Current
10,000,000 0.03 microamperes 30,000,000 0.1 microamperes
tractor is designed for samples not exceeding five grams and solvents with boiling range of 35° to 60°. Its efficiency results in safe, accurate determinations normally requiring
larger
samples. T h e Goldfisch F a t Extractor has long been recognized as the finest of its kind in laboratory apparatus. CRUDE FIBER CONDENSER T h i s quality-built Labconco condenser minimizes "frothing" while maintaining a constant volume of solution. Heavy pyrex glass condensers permit full vision, give you a digestion free of metal contact. Flasks lock against the rigid condensers to prevent " b u m p i n g " during boiling. For complete information contact your dealer or Labconco, 8815 S. Prospect Ave., Kansas City 30, Missouri.
LAB CON CO LABORATORY CONSTRUCTION COMPANY 56 A
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Circle No. 125 on Readers' Service Card ANALYTICAL CHEMISTRY
The CL-1090 is uniquely designed for high-speed, lownoise coincidence counting. The rugged multiplier structure makes this tube ideal for space applications; shock and vibration specifications are guaranteed by CBS Laboratories. A catalog of detailed specifications of the CL-1090 and other tubes in the CBS line of photomultipliers is available on request.
C B S LABORATORIES STAMFORD, CONNECTICUT A DIVISION OF COLUMBIA BROADCASTING SYSTEM, INC. Circle No. 154 on Readers' Service Card