New Products
Labwareand instruments 100 Zirconium crucibles. Extremely long lasting; for carbonate, peroxide, borate fusions. Plasmeter 101 Gas line filters. Remove more than 99.9% of particles 0.03 micron or larger; replaceable or disposable. Matheson Gas Products 102 Glass fabrication. Service offers the construction of all types of specialized apparatus. Dow 103 Ellipsometer. Completely automatic measurement of thickness and refractive indices of thin films. A& E Instrument 104 Repetitive pipettes. Any volume between 5 and 1100 microliters. Medical Laboratory Automation 105 Colloid titration. System ensures simple determination of high-molecular-weight electrolytes. Crescent Chemical Co. 106 Optical bench. For dimensional stability thermal effects can be controlled by user. Gaertner Scientific Corp. 107 Ozone analyzer. Can operate unattended over a 60-day period; measures concentrations from p.p.b. to 1%. Monitor Labs 108 Heating chamber. Uses microwaves for much faster heating; can be purged with inert gases. Sage Laboratories 109 Quantometric analyzer. Instant analysis of liquids, powders, or solids from p.p.m. to 100% concentration. Applied Research Labs
Plant equipment and instruments 112 Halogen leak detector. Provides visual and audible signals; portable, heavy duty. Inficon 22
C&EN August 6, 1973
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113 Borescope. Convenient field inspection, highresolution photography of interior cavities having 1 /2-in.-diameter opening or larger. Dyonics 114 Cleanup system. Destroys phenolic residues, other odorous or toxic substances in waste water. Carus Chemical Co. 115 Solvent incinerator. Complete oxidation without smoke or objectionable gases. Barclay 116 Powder compactor. Employs very high pressures; disassembles in 15 min. for cleaning. Compaction Systems 117 Chlorinator. Vacuum operated, draws from cylinders or ton containers; 100 lb./day. Pennwalt 118 Pulsed NMR analyzer. Rapid, nondestructive measurement of product moisture, oil, density; adapts to on-stream process control. Praxis 119 S0 2 removal. Mobile contactor scrubber, concurrent, countercurrent flow; worn spheres removed automatically. American Air Filter Co.
Literature 120 Chromagram sheets. Bibliography covers wide variety of uses in thin-layer chromatography. Eastman Kodak 121 Causes and cures. Covers major air pollutants, their sources, and technology available for removal. Manufacturing Chemists Association 122 Process industries. New catalog covers equipment, chemicals, and raw materials; includes all major manufacturers. Reinhold Publishing 123 Elastomers. Booklet covers design ideas, rubber properties, and uses for nine different groups. B. F. Goodrich Chemical
124 Polypropylene. Manual includes all aspects of molding from part design through pigmentation. Rexene Polymers 125 Pad-batch dyeing. Bulletin covers methodology, shade control, etc., for cellulosic fibers and blends. ICI America 126 Clinical kits. Diagnostic reagents available; methods and procedures described. Pierce Chemical 127 Peroxide initiators. Brochure gives half-life data, activation energy, physical properties for 74 compounds. Witco 128 Infrared accessories. Complete line compatible with most instruments. Markson Science, Inc. 129 Chemical indicators. Wall chart gives pH, characteristic color response, describes solution preparation for 65. Eastman Kodak 130 Water treatment. Catalog covers chemicals, feeding equipment, consulting services. Calgon 131 Equipment line. Includes absolute and relative viscometers, extruders, mixers, etc. HAAKE 132 Fluoroelastomer. Brochure describes resistance to more than 400 chemicals, oils, fuels. Du Pont 133 Alloys. In wire, rod, or strip form; 90 available; pricing and technical information. Techalloy 134 Vacuum pumps. Line also includes fittings, gages, traps, and system components. GCA/Precision Scientific 135 Precoated plates. For thin-layer chromatography; wide choice of adsorbents, plate sizes. Analtech 136 Polyethylene film. Technical articles discuss blowup, printing methods, extrusion factors. Northern Petrochemical
Chemicals and materials 138 Polyester window film. Increases shatter resistance; moisture-proof, pressure-sensitive adhesive. 3M Co. 139 Barrier films. Especially designed for packaging liquids; formable, flexible, pinhole-resistant. Dow Chemical 140 Special glasses. Compositions for several applications—sealing, high temperature, nonalkali, nonlead. Transene 141 Aluminum anodizing. Three new products are nonchromated, reduce waste disposal problems. Pennwalt Corp. 142 Emulsion breakers. One separates solids into water phase from water/oil; other separates oil from water. Nalco Chemical 143 Volumetric concentrates. For standard acid solutions and ionic and flame standards. J. T. Baker Chemical 144 Chemical dispersant. Minimizes calcium and iron deposits in water lines of industrial process systems. Petrolite 145 Adhesives. Bonds effective to 475° F.; available in low and medium viscosities. Eastman 146 Spin finish. Thermally stable at 200° C ; for textured polyester and nylon fibers. Tanatex 147 Chelating resin. Selectively removes trace heavy metal ions from brines, industrial effluents, sewage, etc. Seekay Chemical Co. 148 Assay kit. For cyclic AMP. Amersham/Searle For information on these items or numbered ads, see Reader Service Card
