Styrene-Maleic Anhydride Copoly mers. Properties and uses are de scribed for these materials which are promising for improving water-based paints, finishing leathers, improving floor polishes, textile a n d p a p e r sizing, and in improving adhesives. Dept. IEC, Texas Butadiene & Chemical Corp., 529 Fifth Ave., New York 17, N. Y. C-2S
What's so special about a SPERRY FILTER PRESS?
Zirconium. A 14-paged booklet, " C o r rosion Resistance of Zirconium," gives detailed graphs for over 100 highly cor rosive media in concentrations to 100% and t e m p e r a t u r e s t o 400° F . Dept. IEC, Zirconium, Association, Cleveland 15, Ohio. C-26 Plastic Coating. Pfaudlon 301 is a medium priced corrosion-resistant plas tic coating for metal. Usable both out side and inside. Properties and recom mended uses are given. Dept. IEC, The Pfaudler Co., Rochester, Ν. Υ.
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1961
ANSWER: Your special needs! Equipped with any type of plates — center, side or corner feed — open or closed delivery—to filter liquids, recover solids, or de colorize—yourSperry Filter Press is engineered to your particular requirements. Not only for to day's schedule — but for the un foreseen changes of tomorrow. When conditions require a change in media — in capacity — in material — your Sperry Filter Press offers the built-in versatil ity to supersede itself. It's the best investment you can make in a dependable and rugged filter press. D. R. SPERRY & CO. Batavia, Illinois Sa/es
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B. M. Pilhashy (Successors) 111 Sutter St. San Francisco 4, Cal.
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Die Corrosion. Special Bulletin 233 gives development story of the specialalloy steel die t h a t eliminated troubles caused by corrosive effects of some m a terials. Dept. IEC, Sprout, Waldron & Co., Inc., 130 Logan St., Muncy, Pa.
Organic H y d r o p e r o x i d e s . New cata log describes a complete line of organic peroxides as to physical properties, half-life, forms, and applications. Dept. IEC, Lucidol Div. of Wallace and Tiernan Inc., 17Jfi Military Road, Buffalo 5, N. Y. C-31 Formamide. A 32-page booklet con tains newly developed information on uses, particularly as a chemical inter mediate, in synthesis of nitrogen-con taining heterocyclic compounds. Dept. IEC, E. I. du Pont de Nemours cfe Co., Wilmington 98, Del. C-32 Commercial Glasses. N e w edition of booklet, " P r o p e r t i e s of Selected C o m mercial Glasses," gives more compre hensive d a t a on corrosion resistance a n d thermal expansion of 32 commercial glasses. Bull. B-83. Dept. IEC, Corn ing Glass Works, Corning, Ν. Y. C-33
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INDUSTRIAL A N D ENGINEERING CHEMISTRY
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To conserve the analytical chemist's time, this issue is divided into two sections, f. ANALYTICAL REVIEWS. This year Reviews of Applications Analysis cover the significant developments of the last two years in Air Pollution Clinical Chemistry Coatings Essential Oils Fertilizers Food Solid and Gaseous Fuels Ferrous Metallurgy Nonferrous Metallurgy Pesticides Petroleum Pharmaceuticals Natural and Synthetic Rubbers Water These are carefully evaluated, interpretive summaries of significant developments and trends supported by detailed bibliographies. i. BUYERS' GUIDE. This comprehensive directory lists manufacturers, dealers, and distributors of virtually all known products, services, chemicals, materials, instruments and equipment used by analytical chemists. For quick, easy reference it is published in three parts: Classification List— A ready-reference compilation of prod ucts of interest to analytical chemists.
C-29 Corrosion-Resistant Materials. De velopment story of the company is given, which manufactures a complete line of pipe, fittings, sheet, and engi neered fabrications of P V C , polyethyl ene, and ABB. Dept. IEC, Trans-Plas tics Corp., 6700 Morgan Ave., Cleveland 27, Ohio. C-30
N O L V T I C i L H E M 1 S T R V
Once a year Analytical Chemistry publishes a special issue which combines two areas of importance to the analytical chemist—reviews of significant analytical literature, and a com prehensive buyers' guide. It is a reference volume analytical chemists use the year round to check on significant developments as well as find out who makes what and now to locate him.
C-27 Special Coatings. Industrial coatings arc described, primarily for one or more of the following uses: product protec tion, appearance improvement, mold or die release, and dry lubrication. Dept. IEC, Service Products Div., Johnson's Wax, Racine, Wis. C-28
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Index of P r o d u c t s Listing of products and services to gether with names of companies who supply them. Company Directory— A complete list of all suppliers with their addresses and telephone numbers. There are approximately 8000 entries under more than 500 headings. More than 700 com panies contributed material. This directory is a necessity for every analytical chemist who uses, specifies or buys apparatus, instruments, equipment, chemicals, reagents, and other products and materials. Use the convenient coupon below to obtain your personal copy of Analytical Chemistry's 1 9 6 1 ANALYTICAL REVIEWS a n d BUYERS' G U I D E . Only $ 1 . 5 0 . ORDER YOUR COPY TODAY ANALYTICAL CHEMISTRY 1 1 5 5 Sixteenth Street, N . W., Washington 6 , D. C. Please rush my copy of your 1961 Analytical Reviews and Buyers' Guida. My payment of $1.50 is enclosed. Nam· Address City
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