NEW PRODUCTS
Chemicals and materials 201 Polyurethane foam. Stain-resistant, semiflexible polyurethane foam system developed for use in vinylcovered instrument panels. BASF 202 Metal-working additives. Chlorine-free metal-working fluid additives designed to replace chlorinated paraffins are soluble in range of base oils, can be emulsified in water-based systems. Mayco Oil & Chemical 203 Cleaning solvents. Nonchlorinated industrial solvents clean wide range of soils from metal, plastic, glass substrates. Exxon Chemical 204 Anticorrosion coatings. Sprayed zinc and aluminum coatings offer long-term corrosion protection to iron and steel surfaces on land or in marine environments. Hobart Tafa Technologies 205 Column. Wide-pore, reversed-phase chromatographic packing material resists bonded phase attack under acidic conditions often used for separation, purification of proteins and peptides. YMC
bic fumed silica to variety of water-reducible coatings. Degussa 210 Columns. Brochure describes new technique for detecting phencyclidine in urine using solid-phase extraction columns. Varian Analytical Instruments
unique gel capillaries designed to give fast, high-resolution oligonucleotide analyses. Beckman Instruments 220 High-purity chemicals. Catalog lists more than 4000 products including analytical standards, precious metals. Aesar/Johnson Matthey
ative titrations having two end-points. Fluid Management Systems 230 Spectrophotometer. Ultraviolet-visible unit uses Lab Calc software to perform derivatives, scaling, full-spectrum kinetics. Milton Roy
211 Immunoassays. Booklet outlines benefits of using nitrocellulose membranes for diagnostic, analytical immunoassay development. Schleicher & Schuell
221 Detection method. Brochure describes new technique for analyzing antiinflammatory drugs using smaller volumes, quickly, and more accurately. Varian
231 Chiral column. Using chiral stationary phase method, column is effective at separating enantiomers from racemic mixtures. Research Corp. Technologies
212 Mist eliminators. Brochure explains and illustrates various mist eliminators useful for entrainment separation from vapor, gas, liquid streams. Koch Engineering
222 Lab supplies. 950-page catalog lists full line of lab supplies useful in industry, university, government labs. J. & H. Berge
232 Particle analysis. Accessory to particle size analyzer offers automated way to measure samples suspended in virtually any fluid regardless of its volatility. Coulter
213 Lab management. Semiannual newsletter for scientists and laboratory managers of industrial research features articles on technical processes, procedures, applications for lab apparatus. Labconco 214 Chemical reporting. Service includes organizing and updating material safety data sheets to meet needs of small to midsize companies. Hazard Management Systems
Labware and instruments 223 Probe. Infrared fiberbased optical sampling system permits qualitative and quantitative infrared analysis of liquids, solutions. Galileo Electro-Optics 224 Microfiltration. Automated, self-contained microfiltration system performs cell, protein separations from cell culture supernatant and other feed streams. Sepracor
206 Oligomers. Aliphatic urethane acrylic oligomers provide good color stability to materials used outside. Polymer Systems
215 Cathodes. Brochure on lanthanum hexaboride and cerium hexaboride cathodes features design and construction, compatibility with various analytical instruments. FEI
207 Polymer coatings. Line of polymer-based products protect concrete and steel from variety of corrosive agents—acids, oxidizing agents, alkalies, solvents. Atochem North America
216 Analytical systems. Pamphlet profiles features of ultraviolet-visible, fluorescence, polarimetry systems by giving information on data manipulation and archiving. Perkin-Elmer
Literature and services
217 Environmental analysis. Newsletter focuses on environmental sampling and analysis industry. I-Chem Research
208 Inorganics. Catalog of specialty inorganics includes rare and less common materials including sputtering targets, chemicals of 99.99% purity. Cerac
227 Calorimeter. Differential scanning calorimeter is designed for quality-control applications that use automated analyses and process data using DOS software. Solomat Instrumentation
218 Wastewater. Brochure outlines how EPA wastewater regulations affect major waste stream processes used by oil refineries. Envirex
228 Elasticity indexer. Computerized melt elasticity indexer measures properties of molten polymers. Custom Scientific Instruments
209 Fumed silicas. Report gives procedures and data regarding addition of hydropho-
219 Oligonucleotide analysis. Pamphlet describes capillary electrophoresis use with
229 Titrator. Multifeatured automatic titrator performs set pH titrations as well as deriv-
225 Membrane testing. Highpressure membrane cell can operate to 800 psi for reverse osmosis testing. Osmonics 226 HPLC cartridges. Economical HPLC column cartridge system is reusable with easily tightened fittings even when preparing for high-pressure work. EM Separations
Plant equipment and instruments 233 Sulfur analyzer. Unit measures total sulfur to hydrogen sulfide concentrations to prevent sulfur contamination, useful in petrochemical industry. Houston Atlas 234 Nitrogen membrane. Compact on-site membrane system designed as alternative to cylinder nitrogen system, meets individual purity and flow-rate needs. Union Carbide Industrial Gases 235 Fluid recovery. Reusable absorbant pad offers 80% recovery rate for petroleumbased fluids lost during typical production and maintenance procedures. New Pig 236 Membrane modules. Tubesheet design for nitrogen-generating, hollow-fiber membrane modules allows operation at higher temperatures. Generon Systems 237 Vapor recovery. Solvent vapor recovery system uses condensation to capture volatile organic compounds as liquid for distillation, reuse, sale. Thermotron Industries For information on these items or numbered ads, see Reader Service Card October 14, 1991 C&EN
69