new
products
• Chemicals and materials 201 Algicide. Broad-spectrum liquid has applications in exterior paints, caulks, deck stains, stucco, and other coatings; can be added at any point in manufacturing cycle; does not affect color or other paint and coating properties; and is nonleaching. Creanova
208 EPDM. Brochure has descriptions and recommended applications for several grades of ethylene-propylene-diene monomer; also
202 Aliphatic polyisocyanate adducts. Low-viscosity products have fast dry times and maintain the hardness and flexibility of hexamethylene diisocyanate trimer; compounds are useful for formulating low-VOC, light-stable, weather-resistant coatings. Lyondell 203 Adhesive. Waterbome, acrylic, pressure-sensitive product is removable from several substrates, is resistant to humidity, and has a low coat weight and peel. National Starch & Chemical 204 Protein gel stain. Compound used in one-step process for 2-D gels is as sensitive as silver staining, does not modify proteins during procedure, and makes comparison of protein expression levels possible. Molecular Probes 205 Polycaprolactone polyols. Diols range in hydroxyl number from 30 to 210, and triols range in hydroxyl number from 187 to 310; products are useful in urethane applications, including adhesives, castable urethanes, reactive diluents, and highperformance coatings. Ruco Polymers 206 Alkyd resin. Waterdispersible, chain-stopped product provides corrosion resistance, humidity resistance, and water resistance without the addition of solvents; can be used in top coats and primers. Reichhold
• Literature and services 207 Quality control. Catalog features hundreds of books, standards, software programs, and videos, and includes sections for the chemical and process industries, ISO 9000, and ISO 14000. American Society for Quality 72
NOVEMBER 22,1999 C&EN
w< mance curves, and physical constants. Concoa 214 Radiochemicals. Illustrated alphabetical guide lists some 800 compounds and includes details on radiation safety equipment, microscale autoradiography standards, receptor ligands, amino acids, nucleotides, and isotopes. Amersham Pharmacia Biotech
well plates and, in addition to standard plates, can be used with opaque plates, filterplates, membranes, filters, slides, and petri dishes. Instrument offers a scanning function and dual ratio measurements. EG&G Wallac 220 Tube rack. Product can accommodate containers of different sizes, has numeric la-
• Instruments and labware
lists polymer properties including molecular weight distribution, cure rates, and forms of delivery. DSM Elastomers Americas 209 Signal transduction. Catalog lists more than 1,300 products, including bioactive lipids and neuropharmacologies; contains sections on apoptosis, nitric oxide and protein phosphorylation research, and application notes. Biomol Research Laboratories 210 Chromatography columns. Brochure describes products useful for the highthroughput requirements of LC-MS-MS applications; includes chromatograms detailing the resolving power and sensitivity of columns. Jones Chromatography 211 Packaging. Catalog details products that are leakproof, unlikely to break, and suitable for shipping or storing diagnostic reagents, highpurity acids, or buffers. Items are available in sizes ranging from 0.5-mL vials to 50-L carboys. Nalgene 212 Adsorbers. Bulletin describes disposable systems that employ granular activated carbon; one product is useful for remediation and industrial wastewater applications, and the other is used in lowpressure applications such as industrial emission and odor control. Waterlink/Barnebey Sutcliffe 213 Specialty gases. Catalog features distribution systems and control equipment; 132page directory includes specifications, conversions, perfor-
215 Phase separator. Instrument is designed for the purification of organic and aqueous phases from a two-phase mixture in combinatorial chemistry and is based on the rapid freezing of the aqueousphase mixture within either 96 1.2-mL tubes or 24 7-mL pots. GeneVac 216 Balances. Products come standard with fluorescent display and have optional liquid-
beling for 46 slots for ease of tracking and organizing samples, and allows water to be frozen inside the rack for cooling samples. NovaSense 221 Chromatography columns. Size-exclusion products are packed with a hydrophilic resin and can be used for separating polymers soluble in methanol without retardation or adsorption of polymers. TosoHaas
• Plant equipment and materials
crystal display; other options include different units, parts counting, weight comparison, statistics program, and density analysis. Précisa Instruments 217 Reactor blocks. Products available in 96- and 48-well formats are intended for performing high-throughput solution and solid-phase synthesis of small molecules at high temperatures. Robbins Scientific
222 Air cannon. Device clears clogged valves, funnels, airhandling system pipes, and silos of powder or pulverized materials; product can be used alone or connected to a plant's compressed-air system. Lazareth International 223 Filter. Polypropylene product offers chemical resistance up to 175 °F, large solids loading capacity, and high flow rates and can be used for pigments, precious metals, minerals, fermentation broths, and pharmaceutical syrups, among other applications. Star Systems Filtration
218 NMR analyzer. Instrument, which can be used for research and quality control in polymer manufacture and other industries, provides chemical analysis on both solids and liquids every six minutes; metrics include density, melt index, solubles, copolymer content, and rubber content. Oxford Instruments
224 Gas monitor. Explosionproof system detects carbon monoxide, hydrogen, and ethylene oxide in chemical plants and refineries. PureAire Monitoring Systems
219 Fluorometer. Detector for fluorescence-based assays on microplates accepts 6- to 864-
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