PRODUCT PROSPECTUS

""'"""Ι-Οΐ™ i - a l k o x y l X X ( N H

C O O H Ο

Schiff Bases p-Azoxybenzenes p-Cyanophenol & many others

Write or call for catalog or price quotation.

Frinton Laboratories P.O. Box 2301 Vineland, Ν J 08360 call 609-692-6902

A critical review of the

Patent and Technical literature in

CATALYSIS by a technical staff with

extensive industrial experience

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Published quarterly and covering key patents and

articles on: • SYNTHETIC FUELS • PETROCHEMICALS • INTERMEDIATES • FINE CHEMICALS • FUNDAMENTALS

For a sample copy and subscription prospectus,

write to: CATALYTICA ASSOCIATES, INC.

3255 Scott Boulevard, Suite 7-E Santa Clara, CA 95051 Phone: (408) 243-9243

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Pore Size, Volume

G · G-

ËQOOOO

Mercury intrusioh porosimeters deter­mine pore sizes, pore volumes, density and porosity of powders or solid samples as large as 28mm diameter by 30mm long. Other specific ranges include bulk sample volumes to 20 cc; pore volumes to 4 cc and pores from 354 to 0.0035 μττ\ diameter.Operating procedures are simple. Ideal for ana­lyzing rigid solids and fine particle, powdered materials. Requires no transfer or handling of sample during analysis.

Π Ί I micromerifci i n s t r u m e n t c o r p o r a t i o n

I 5680 goshen springs road · norcross.georgia 30071 · USA telephone: 404/448-8282 · telex 70-7450

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EMULSIONS AND DISPERSIONS Short Cours·

October 4 -6 , 1978 Lohlgh University

Instructors: Professor F. M. Fowkes, Lehigh University Professor S. Ross, Rensselaer Polytechnic Institute Professor J. W. Vanderhoff. Lehigh University

Surface Science: Surface tension, interfacial tension, contact angles, adhesion and wettability.

Adsorption of surfactants. Intermolecular forces at interfaces. Electrostatic stabilization of aqueous emulsions and

dispersions. Latexes: preparation, characterization, properties. Electrokinetic measurements. Electrostatic stabilization of non-aqueous dispersions. Methods of making emulsions, gels and dispersions. Demonstrations of special laboratory equipment. Steric stabilization of emulsions and dispersions.

Tuition: $300.00

To register or for more information, please mail the fol­lowing to:

Dr. Frederick M. Fowfces Department of Chemistry #6

Lehigh University, Bethlehem, PA 18018 (215) 891-7000 extension 375

( ) Register me for the Emulsions and Dispersions short course

( ) $300.00 enclosed ( ) Will pay at registration ( ) Reserve a room at the Hotel Bethlehem

Name

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X-RAY CRYSTALLOCRAPHIC

SERVICE Now Available:

Low & High Temperature Data Collection

• Unit cell determination • Air sensitive handling • Structure solution & refinement • Hydrogen atom location • D e t e r m i n a t i o n of absolute configuration • Tables & drawings for publication • 3-D scale models • Results available in 3 weeks • Confidentiality assured

Molecular Structure Corporation p. o. BOX DF

COLLEGE STATION, TEXAS 77840 713/693-9729

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PRODUCT PROSPECTUS Reply card issues of C&EN

generate more than 10,000

inquiries each. This new

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this active usership. It

features an array of prod­

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