Pittsburgh
Exhibiting: Gas chromatography sup plies; thin layer chromatography sup plies and equipment; high purity lipids; prccoated T L C Plates; H I - E F F fluidizer; column coiler, and T L C streaker. ΑΤΑΚΑ AMERICA, INC. (Shimadzu Seisakusho Ltd.) 633 Third Ave. New York, Ν. Υ. 10017 Exhibiting: Spectrophotometer double40 series with automatic enzyme system; spectrophotometer MPS-50L with microspectrophotometry attachment; spectro photometer AQV-50 with automatic cell positioner; differential thermal analysis apparatus. ATOMERGIC CHEMETALS CO. Division of Gallard-Schlesinger Chemical Mfg. Corp. 584 Mineola Ave. Carle Place, Ν. Υ. 11514 Exhibiting: Spectrograph^ grade car bons; Aristar (high purity solvents and acids) ; vitreous carbon ware, ultra pure metals and chemicals (as spectrographic grade standards) B D H lab reagents, sta ble isotopes, crucible kits; microanalytical reagents, organic analytical stand ards; Analar standards; analytical serv ices. AUGUST SAUTER OF AMERICA, INC. 80 Fifth Ave. New York, Ν. Υ. 10011 Exhibiting: Analytical balance with preweigh and tare, Model 414/13; elec tronic printing balance, Model S1000T/ 0.1 with printer; Toppan balances: Model S D T 1000/0.01, S D T 8000/0.1, M A T 80/0.005, M D T 160/0.001; M D T 400/0.005; Moisture balance Model MPKT 160/100; precision balances, Models 180/10, 180/100. AVCO ELECTRONICS DIV./TULSA OPERATION 10700 East Independence Tulsa, Okla. 74115 Exhibiting: Mass spectrometers and associated equipment. AZTEC INSTRUMENTS, INC. 2 Railroad PI. Westport, Conn. 06880 Exhibiting: Atomic absorption, emis sion, and fluorescent spectrophotometers, with a complete line of accessories, in cluding spectral light sources, burners, and standard solutions; air micrometer; electro-balance; lamp power supplies and micro wave generators; permanent and electromagnets. BAIRD-ATOMIC, INC. 33 University Rd. Cambridge, Mass. 02138
Conference
Exhibiting: The latest in emission spectrochemical instrumentation. J. T. BAKER CHEMICAL CO. Red School Lane Phillipsburg, N. J. 08865 Exhibiting: Ultrex acid ampoules of certified purity; Baker-Flex sheets for thin layer chromatography; T L C rea gents; Dilut-It, analytical concentrates for preparation of solutions; Dual-Tint, new p H indicator paper ; specialty gases. BARBER-COLMAN CO. Chromatography Products 1300 Rock St. Rockford, 111.61101 Exhibiting: Series 5000 gas chromatograph, with coiled and U-shaped column oven ; radioactivity monitoring system ; automatic injection gas chromatograph ; liquid chromatography detector; Series 5300 chromatographs and accessories. BARNES ENGINEERING CO. 30 Commerce Rd. Stamford, Conn. 06902 Exhibiting: Infrared spectrophotom eter accessories including new amalgam sealed cell, polyethylene cells, precision pathlength cells, gas cells, K B r die, pol ishing kit, variable temperature chamber pyrolyzer, universal ATR/Specular re flectance modules, beam condenser and attenuator, GC fraction collector, re corder pens, chart paper, and crystals.
best
BARNSTEAD CO. 225 Rivermoor St. West Roxbury, Boston, Mass. 02132
Day in and day out, the reliability, long life and versatility of Tygon flexible plastic Tubing proves over and over that it's your best laboratory t u b i n g investment.
Exhibiting: Water purity meters, com pact cabinetized water still and tank; redistiller with Pyrex condenser, accessory to eliminate scaling in water stills; tin lined distribution systems; laboratory water demineralizers.
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TYGON TUBING
BAUSCH & LOMB, INC. 635 St. Paul St. Rochester, Ν. Υ. 14602
Crystal-clear Flexible Chemically inert Non-oxidizing 74 standard sizes
Exhibiting: Newest advances in spec trophotometers, Zymat enzyme analyzer, gratings, monochromators, analytical sys tems. BECKMAN INSTRUMENTS, INC. 2500 Harbor Blvd. Fullerton, Calif. 92634
At l a b o r a t o r y s u p p l y houses every where, or write Norton Plastics and Synthetics D i v i s i o n , A k r o n , Ohio 44309.
Exhibiting: Advanced concepts in in frared and ultraviolet spectrophotome ters, including a new system for auto matic monitoring of the kinetics of chem ical reactions; new atomic absorption spectrophotometer; gas chromatograph; new data reduction system ; complete line of p H meters; new automatic recording titrator; recorders and instrumentation supplies.
NORTON PLASTICS & SYNTHETICS DIV. fORMmr us. STOwm/iEmc. AKRON. OH/0 44309 Circle No. 117 on Readers' Service Card VOL.
4 1 , NO. 2 , FEBRUARY 1 9 6 9
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