new analyzer was designed for par ticles between approximately ,0.1 and 40 microns, which includes most airborne dusts, paint pig ments, many flours, chemicals, and pharmaceuticals. Dept. IEC, Mine Safety Appliances Co., Pittsburgh, Pa. 82
Instrument for Measuring Paper Pressure Micromethod uses only 1 ml. of sample. Any vapor-to-liquid ratio is possible by changing the size of the sample. Vapor-pressure values can be converted to Reid vapor pressure by a simple formula. Dept. IEC, Fisher Scientific Co., 3354 Fisher Scientific Bldg., Pitts burgh, Pa. 83
World Wide
Temperature Monitor Any temperature from —400° to 3000° F. can be monitored or con trolled with this new instrument contained in a compact box. Mon itor has a sensitive meter relay and 5-ampere load relay together with transformer and rectifier or other components for the type of control required. Dept. IEC, San Gorcinto Division, Assembly Products, Inc., P.O. Box B0, Palm Springs, Calif. 87
Combination Radiation Alarm and Rate Meter
Instrument provides Ν continuous visual and audible indication of radioactivity levels. Unit has alarm circuit which automatically triggers an alarm whenever radia Automatic Alarm and tion reaches a preset level, and Scanning System switches alarm off when radiation level falls below the alarm set point. This device gathers alarm and Dept. IEC, Victoreen Instrument control data from remote stations Co., 5806 Hough Ave., Cleveland 3, in chemical and petroleum plants, 88 steel mills, reactors, and along pipe- ~ Ohio. lines and transmits the data to a Rate Meter central station over wire or radio Log and linear multirange rate for visual and aural presentation. meter has been designed for quanti Dept. IEC, Moore Associates, Inc., tative analysis of medical or indus Redwood City, Calif. 84 trial samples, as well as for reactor monitoring. The unit will drive Round the Clock any standard potentiometer or Radiation Monitoring galvanometer-type recorders from Manufacturer has announced a both linear and log scales. Dept. new system for around the clock IEC, Baird-Atomic, Inc., 88 Uni monitoring of radiation in remote versity Rd., Cambridge 88, Mass. areas. System is designed for con 89 tinuous area monitoring around re Combustible Gas Alarm actors, hot cells, plants, laboratories, and radiation facilities. In addi Can be used in industrial plants tion, the unit gives automatic alarm wherever any combustible gas is when radiation reaches high or dan used, by oil and gas industries in gerous levels. Radiation ranges petroleum refineries, and many can be tailored to application. other industries. Dept. IEC, Mine Dept. IEC, The Victoreen Instru Safety Appliances Co., Pittsburgh, ment Co., 5806 Hough Ave., Cleve Pa. 90 land 3, Ohio. 85
Controlled Batching System Portable Oxygen Indicator Instrument measures the per cent of oxygen throughout a range of 0 to 25% oxygen content by volume with an accuracy of ± 0 . 5 % , ac cording to the manufacturer. Oxy gen is measured by a detector cell in which a gas or atmosphere to be analyzed is circulated through a hollow carbon electrode. Dept. IEC, Mine Safety Appliances Co., Pittsburgh, Pa. 86
A batching system with new Remocon remote-setting cutoff con trols has been announced. These controls provide for scale cutoffs to -ore information is as near as your mailbox! Just write to the manufacturer of the item in which you are interested. Use of your company letterhead will ensure speedy r e p l y · · · · · · · · · · · · · ·
Sales Offices of AMCEL and PAN AMCEL for Chemical Products of
Celanese CORPORATION
OF A M E R I C A
Austria, Vienna XIX... Belgium, Gand Brazil, S3o Paulo
Eugen Farber Cocentra, S.P.R.L. Companhia Petroquimica* Brasileira-Copebras Canada, Montreal, P.Q 'Canadian Chemical Co., Ltd. Canada, Toronto, Ont 'Canadian Chemical Co., Ltd. Canada, Vancouver, B . C . . .'Canadian Chemical Co., Ltd. Chile, Santiago M. Hochschild y Cia. Ltda. Colombia, Bogota *Celanese Colombiana, S.A. Costa Rica, San Jose Servicios Técnicos Cuba, Havana Lainz y Compania Denmark, Copenhagen Johan Foge Jensen Ecuador, Quito Schiller y Cia. El Salvador, San Salvador Charles F. Rich & Co. England, London A. Revai & Co. (Chemicals) Ltd. France, Paris Pautrot & Bonnet Greece, Athens N. G. Zoullas & Co. Guatemala, Guatemala City Enrique Bauer Arzu Hawaii, Honolulu T. H. Davies & Co., Ltd. Holland, Amsterdam Ν. V. Consolco Hong Kong Optorg Co. (Malaya) Ltd. India, Bombay Bartwari Lai & Co. (Pvt.) Ltd. Indonesia, Djakarta-Kota Ν. V. Agung Israel, Tel-Aviv Manfred Gottesmann Italy, Milano Usvico (Societa Industriale Commerciale) Mexico, Mexico D.F 'Celanese Mexicana, S.A. Norway, Oslo Christen Hoeg Pakistan, Karachi Syed A&M Wasir AM Paraguay, Asuncion Saturnino Mari ni Peru, Lima George Checkley Philippines, Manila Union Trade Distributors Rhodesia, Bulawayo John Beith (Rhodesia) (Pvt.) Ltd. So. Africa, Durban (Portuguese East Africa, Nyasaland) John Beith (S.A.) Pty. Ltd. Spain, Barcelona Extrados Curtientes y Productos Quimicos, S.A. Sweden, Stockholm A. B. Metal & Bergprodukter Switzerland, Basle..Chemiserie Fabrik Sctiweizerhall A.-G. Taiwan (Formosa), Taipei Dan Chung Trading Co. Uruguay, Montevideo Armando Bachmann Sue. Venezuela, Caracas 'Celanese Venezolana, S.A. West Germany, Hamburg Karl 0. Helm * Affiliated Companies—Celanese C o r p o r a t i o n of America
Amcel and Pan Amcel offer these chemical products of Celanese Corporation of America Acids Alcohols Aldehydes Anhydrides Esters Glycols
Ketones Polyols Vinyl Monomers Plasticizers Gasoline Additives Functional Fluids
AMCEL CO., INC. and PAN AMCEL CO., INC. 180 M a d i s o n A v e . , N e w York 16 Affiliates of Celanese Corporation of America For latest information on Celanese Chemi cals see ad on Third Cover.
VOL. 50, NO. 5
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MAY 1958
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