detect and continually r e c o r d . . .
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NEW PRODUCTS
CHLORIDE concentration down to 0 . 0 0 5 ppm with the TECHNICON®
AutoAnalyzer® Automatically analyzes or monitors chloride content of sample stream A field-proven system . . . over 2000 A u t o A n a l y z e r s a r e now auto m a t i n g routine wet-chemistry analyses in p l a n t s a n d laboratories t h r o u g h o u t t h e free world . . . analyzing u p to 60 repetitive samples p e r h o u r and monitoring on-stream continuously. if Detects other trace elements too, e.g.; platinum, silica, tetracycline, glucose, C02, fluoride, ethanol, etc. A total of 75 fully-automated determinations now possible, more are coming. Send for your free abstract
method kit and brochure AKE today
TECHNICON CONTROLS, INC. RESEARCH
PARK
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CHAUΝCΕΥ,
Ν. Υ.
Circle No. 183 on Readers' Service Card
N E W , High-heat Large Capacity
Multi-centrifugal freeze dryer can be operated at temperatures down to —60° F. The stainless steel conden ser has capacity of 10 liters; stain less steel manifold, with chrome plating, has 50 ports. The company says the unit is capable of forming perfect shells in glass containers at least 2 0 % faster than current methods. Instrumentation Associ ates, Inc. P-4
VACUUM OVENS ... designed for research and general application in the fields of electro chemistry, bio-chemistry, electronic research and processing, space re search, nucleonics and other physiosciences. National's highly efficient and reli able systems satisfy the demands of modern science. Offered are such features as through-wall units for radiological applications, cryogenicto-plasma temperature ranges, vac uums of ΙΟ 3 Torr or better, fittings for mass spectrometer, ion gauge, pump or other high vacuum acces sories, gas cycling systems for hydro gen, helium, nitrogen and other such
Model 5860
atmospheres, recording, controlling and programming instruments to as similate any prescribed conditions, as well as electrical leadins, safety ther mostats and stainless steel interiors. Modifications may be made to satisfy special requirements.
FREE: Send for copy of Bulletin No. 6091, "Vacuum Ovens"
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NATIONAL APPLIANCE COMPANY 7634 S. W . C a p i t o l Hwy.
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Portland 19, O r e g o n
Eastern Sales: H. Reeve Angel & Co., Inc. · 9 Bridewell PI., Clifton, New Jersey Circle No. 88 on Readers' Service Card 122 A
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ANALYTICAL CHEMISTRY
Portable beryllium detector is said capable of detecting beryllium in rocks containing as little as 0 . 0 1 % BeO. It penetrates a depth of about three inches, using a 50 millicurie antimony-124 source having a useful life of four to six months. Boulder Scien tific Co. P-5