New Products
Labwareand instruments 100 Fourier transform spectrometers. Equipped with gas chromatography, infrared accessory for analysis of complex mixtures. Digilab 101 Plastic-barrel electrode. Low-priced and rugged, gives reliable pH readings in field applications. Corning Glass Works 102 Tip ejection pipets. Variable volume micropipets, featuring fine-adjustment dial. Ulster Scientific 103 Portable pH meters. Low-cost instruments have rechargeable batteries. Chemtrix Inc. 104 dc power supplies. Designed for electrophoresis; provide constant voltage, current, or power. Isolab 105 Programable liquid chromatographs. Each module works alone or under a system programer; system can store 10 programs. Altex Scientific Inc. 106 Liquid scintillation counters. Uses microprocessor technology and has capacity for 660 minivials. LKB 107 Lab shields. Safety shields that assemble on the spot, made of 5-mm polycarbonate panels. Lab Safety Supply Co. 108 Gel boxes. Airtight containers prevent drying out of immunodiffusion gels. BioRad Laboratories 109 Compaction unit. Electrically run unit for disposal of low-level radioactive waste. S&G Enterprises 110 Beam splitters. Broadband, high-efficiency, antireflection coatings eliminate ghost images. Mel les Griot 111 NMR spectrometer. Microcomputer-controlled, high-resolution instrument has high-stability magnet. Perkin-Elmer
112 Portable thermometer. Digital display and 1° F accuracy featured in low-cost, lightweight battery-powered instrument. General Scientific Equipment
Plant equipment and instruments 114 Flowmeter. Measures flow of any liquid by method based on weight rather than volume. Micro Motion Inc. 115 Adjustable flow gear pump. Delivers a pulse-free flow over a wide range of volume and pressures. Paragon Division of Micropump 116 Strip curtain doors. See-through doors for openings requiring control of temperature, dust, or air flow. Jamison Door Co. 117 Pipeline closure. Quickacting closures work at high pressures and are suited for pressure vessels. General Descaling Co. 118 Temperature controller. Miniature, encapsulated device for maintenance-free operation, has remote control. Pak Tronics Inc. 119 Gate valves. Products permit full flow of water, oil, and gas. Webstone Co. Inc. 120 Liquid blending programer. Adjustable timerprogramer is alternative to costlier minicomputer-type blenders. Bayside Timers 121 Metering pumps. Heavyduty pumps have cast iron housing for durability; accommodate more than 300 types of chemicals. AMF 122 Gas monitor. Sensors can extend over 1000 ft and may be calibrated separately; detects various gases. Lumidor Safety Products 123 Screw pumps. For corrosive and noncorrosive liquids, pumps come in two types: either self- or pumped-liquid lubricating. Warren Pumps Inc.
Literature 126 Polyester resin brochures. Two booklets feature information on flameretardant and corrosion-resistant resins for reinforced plastics. Koppers Co. 127 Plasticware catalog. Polypropylene and polyethylene labware. Mallinckrodt 128 Vacuum switch brochure. 16-page booklet of low-cost switches includes pressure conversion chart. Près: Air: Trol Corp. 129 Polysulfone booklet. 12-page booklet features properties and uses of this engineering polymer. Union Carbide Corp. 130 EPR application notes. Two booklets, one featuring oxygen mobility on metals, the other, gases on catalytically active metals. Varian 131 Liquid-proof gloves. 12-page color catalog of gloves designed for industrial uses. B. F. Goodrich 132 Spectroscopic supplies. 80-page catalog covering equipment, accessories, and supplies. Wilmad Glass 133 Organosilanes. 8-page guide to organofunctional silanes, used to improve plastic adhesion to inorganic surfaces. Dow Corning 134 Heat exchangers. Line of equipment ranges from chemical processing to general heating applications. American-Standard 135 Stable isotopes. 20page catalog of range of compounds labeled with stable isotopes. Prochem
Chemicals and materials 137 Solvent-soluble dyes. Six new solvent-soluble dyes have improved lightfastness, deeper shades. Atlantic Chemical Corp.
138 Two grades of thermoplastics. Elastomers provide low compression set, may compete with mid-range rubbers. Uniroyal Inc. 139 Flame retardant. Polymeric phosphite is designed for polyurethane products, is compatible with high-resiliency formulations. Stepan Chemical Co. 140 High-heat grade thermoplastic. Good up to 240° F, material resists warping, requires no alloying. BorgWarner Chemicals Corp. 141 One-component adhesive. Works over broad temperature range and is unaffected by solvents, oils, water, and acids. Adhesive Products Corp. 142 Coating resin. Mid-density polyethylene gives low coating weights. Chemplex 143 Ceramic adhesive and coating. After curing, material resists up to 4400° F. Aremco Products Inc. 144 Emulsifiers. Derived from safflower oil, these emulsifiers work with a wide range of fats and oils. PVO Internationa! Inc. 145 Flocculant. Replaces lime and metal salts in producing an easily handled sludge. Nalco Chemical Co. 146 Water-dispersible polyester. A sizing material that is useful for water-jet weaving and fragile yarns. Eastman Chemical Products Inc. 147 Paintable mold release. This paste coats mold, improving release of polyurethanes, and need not be washed off. Percy Harms Corp. 148 New cellophane. Extremely low permeability due to vinylidene chloride copolymer coating on both sides. Rhodia Inc. For information on these items or numbered ads, see Reader Service Card May 1, 1978 C&EN
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