NEW PRODUCTS THIS WEEK Equipment
Bora ne derivatives. Polyhedral derivatives of various borane anions containing 10 to 12 boron atoms are available in re search quantities; unusual synthesis intermediates with possible high-temperature polymer applications. Callery Chemical Co., Callery, Pa. C 32
Pressure-reaction vessel. Unit is for laboratory study of wide range of chemical interactions; 1 gallon working capacity; 575 p.s.i.; impeller shaft, turbine impeller, gas sparger, thermowell, and solids charging port; stainless steel construction with re usable Teflon head gasket. Bench Scale Equipment Co., Dayton, Ohio Ε 60
Antistatic agent (Valstat F L - 1 6 3 ) . Highly stable antistatic agent assists spinning of polyester staple fiber; water soluble; nonionic; exhibits preferential wetting for polyester fibers over cellulosic fibers, thus cotton or rayon do not steal antistatic or friction protection in polyester blends. Valchem, New York, N.Y. C 33
Threaded glass valve. Valve designed for distilled water sys tems; all wetted parts made from borosilicate glass and Teflon; no grease or lubricants required thus eliminating source of con tamination. Fischer & Porter Co., Warminster, Pa. Ε 61
Gold alloy. Single crystals of gold alloys with aluminum, gal lium, and indium are available for semiconductor and other research work; random-oriented in small rectangular pieces. Aremco Products, Inc., Briarcliff Manor, N.Y. C 34
In-line refractometer (Model SSR-35). Device mounts in proc ess stream and continuously monitors changes in soluble solids and subsequent change in refractive index; accuracy to 0 . 1 % with solid-state circuitry and rotary scanning device; unaffected by foam, color, turbulence, or suspended particles. Electron-Machine Corp., Umatilla, Fia. E 62
DANSYL amino acids. 1-Dimethyl amino naphthalene-5-sulfonyl amino acids are in solution for research use. Mann Research Laboratories, Inc., New York, N.Y. C 35
Cryogenic pump (Model 1031). Intermediate-pressure, pistontype p u m p is designed specifically for cryogenic liquids; starts and operates at very low net positive suction heads; displaces 9.4 to 12.1 gallons per minute. Liquid Carbonic Corp., Chicago, 111. Ε 63
Literature Corrosion resistance (Bulletin F-30131-D). Describes com parative resistance of company's alloys to various corrosive media; charts and tables; 64 pages. Union Carbide Corp., Kokomo, Ind. L1
Sequential timers. Two models can program six or 10 se quential events; operated automatically, manually, or by ex ternal triggering; event duration adjustable from 0.2 to 20 sec onds; single or repeat cycle modes. Electro-Mechanics, Inc., New Britain, Conn. Ε 64
Centrifugal pumps (Catalog T F - 6 6 ) . Provides full specifica tions and dimension data on five series of Tri-Flo line of sani tary centrifugal, stainless steel processing pumps; p u m p and motor selection tables; capacity curves; 40 pages. Ladish Co., Tri-Clover Div., Kenosha, Wis. L2
Chemicals Electronic packaging (Bulletin PB 1006). Details properties of specialty polymers used in electrical potting, encapsulation, embedding, and coating; techniques for adjusting properties and handling characteristics of polymer systems to meet varied requirements. Thiokol Chemical Corp., Trenton, N.J. L3
Hydrogen chloride. Electronic grade hydrogen chloride is available at total purity of 99.99% by volume; used in prepara tion of epitaxical deposition; cylinder quantities. Air Products and Chemicals, Inc., Allentown, Pa. C 30 Coagulant aids (233, 243, 2 5 3 ) . Nonionic, anionic, and slightly anionic polyelectrolytes improve clarity of potable and industrial water supplies at low feed rates and economical treat ment costs; meet U.S. Public Health Service criteria for safe use in potable water supplies in concentrations up to 5 p.p.m. Calgon Corp., Pittsburgh, Pa. C 31
Plastics booklet. Describes establishment of correlations be tween rheological characteristics of molten polymers, molecular properties of molten polymers, and physical behavior of solid polymers; illustrated; 14 pages. Instron Corp., Canton, Mass. L4
For more information on products listed, check the appropriate numbers on the coupon below and mail. March 13, 1967
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