new products • Chemicals and materials 201 Cleaner. Enzyme-based product removes biological contaminants from metal, glass, ceramic, plastic, rub ber, and fabric surfaces; has a pH of 7.5; and is low-foam. In ternational Products
cations, graphs, and technical tips are included. PolyScience 206 Polymers. Guide sum marizes properties of poly carbonate, polyamide, acrylonitrile-butadiene-styrene, stryene-acrylonitrile, and
202 Sorbent. Product for use in dry injection-based airpollution-control systems con tains activated carbon and so dium bicarbonate and is capa ble of absorbing dioxins, heavy metals, and furans from incinerator flue gases while removing more than 97% of total acidic gas emissions. Church & Dwight Co.
thermoplastic polyurethane resins; weatherable poly mers; and a variety of poly urethane reaction-injection molding systems, as well as polyurethane foam systems. Bayer Corp.
204 Food stabilizer. Super gelling product made from methyl cellulose is designed primarily for formed food prod ucts such as vegetarian burg ers and restructured seafood; item has superior binding qualities and moisture reten tion, which stabilizes formed foods, prevents them from drying during cooking, and helps them retain their form. Dow Chemical
• Literature and services 205 Constant temperature. Catalog details refrigerated and heating circulators, recir culating chillers, immersion circulators, liquid-to-air heat exchangers, water baths, and accessories; detailed specifi
212 Coatings and linings. Brochure describes systems designed to protect metal and concrete from corrosion when only chemical resistance is needed, when frequent or continual chemical immersion is likely, or when chemical ex posure is severe and physical requirements are high. Atlas Minerals & Chemicals
• Instruments and labware
203 Masterbatches. Prod ucts for color-laser marking of plastics, especially polyethyl
ene and polypropylene resins, are available in a variety of colors to mark light and dark backgrounds, and can be in corporated into a production line. Clariant
importance of frequency in ul trasonic cleaning, along with equipment appropriate for use in water systems. Branson
207 Bioreagents. Catalog features detailed descriptions of more than 1,000 reagents and kits for research in cell bi ology and cell signaling, in cluding products for apoptosis studies, immunology and can cer research, signal transduc tion, and neurochemistry. Alexis Biochemicals 208 Oxidation catalysts. Bul letin describes products for control of volatile organic compounds, nitrogen oxides, and carbon monoxide; in cludes chart for help in choos ing a product. Met-Pro 209 Chromatography. Cata log of chromatography prod ucts, accessories, and repair parts features sections on GC columns; HPLC columns; sample vials, caps, and septa for most autosamplers; solidphase extraction products; and filters and repair parts for most HPLC systems. Cobert Associates 210 Oligomer. Data sheet de scribes xylem formaldehyde, a light-colored, low-viscosity liquid for use in alkyd resins, unsaturated polyester resins, and phenolic resins. Mitsu bishi Gas Chemical America 211 Aqueous cleaning. Bro chure outlines the benefits of aqueous chemistry and the
217 Chromatographs. PCcontrolled high-temperature gas-permeation and sizeexclusion instruments are available for use up to 200 °C; software is Windows 95/98/ NT compatible. Polymer Lab oratories 218 Viscosity follower. In strument permits control and documentation of the passing of liquid to a solid state; can be used for thermoset resins, epoxies, polyesters, adhesives, varnishes, and other products; and can measure materials in a cup-sized ves sel, tube, or thin layer in vari ous quantities, with or without heating. Prodemat
213 Electrophoresis. Singlecell chamber is constructed of clear acrylic, has a transpar ent gel tray with gates that re quire no taping, slots to hold four combs, and power leads that attach to a safety lid to ensure that the power to the gel is disconnected when the lid is removed. Fotodyne
219 Gel loaders. Eightsyringe sample loaders have 9-mm spacing for loading most gel formats, including 36-, 48-, 64-, and 72-lane au tomated DNA sequencers; needles can be replaced with out disassembly of hardware. Robbins Scientific
214 Spectrometer. Highresolution inductively cou pled plasma atomic emission instrument for trace analysis
• Plant equipment and materials 220 Gas system. All-vaporphase delivery system for semiconductor manufacturers eliminates droplets in the pro cess gas stream, which re duces system corrosion, pres sure and flow irregularities, metallic impurities, and equip ment downtime. Air Liquide America
in complex matrices has a resolution of 0.005 nm over a spectral range of 120 to 800 nm; full emission spectrum of a sample can be recorded in two minutes and halogens can be detected at 200 ppb or less. Jobin Yvon Emission 215 Gas analyzer. Product applications include continu ous emission monitoring of oxygen and carbon dioxide as well as monitoring of these gases during fermentation; in strument also accurately mea sures carbon monoxide and methane. Servomex 216 Chemical station. With corrosion-resistant interior constructed of polyvinyl chlo ride and tempered safety glass, class 100 clean bench may be used for applications involving acids or organic solvents, such as etching processes or solvent clean ing procedures. Labconco
221 Particulate collection. Wet-scrubber technology al lows submicrometer matter from 0.1 to 3.0 μιτι as well as fumes and gases to be col lected from effluent. Tri-Mer 222 Dryer. Flash system for agricultural chemicals dries products to a moisture level below 0.5%; can operate with an inert gas recycling pack age using a steam-to-air heat exchanger. Fluid Energy Aljet 223 Oxygen generation. Onsite unit can generate 5 to 20 metric tons per day at purities up to 95%; provides users with the quality and volume of gas in applications such as pulp bleaching, chemical syn thesis, and ozone production. MG Generon For information on these items or numbered ads, see Reader Service Card AUGUST 23,1999 C&EN
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