FROM NESTER/FAUST..
.
Pittsburgh
EIíimínate Separation
Anxiety!
Auto Annular Teflon® Model 750 Automatic Spinning Band Distillation Prep Gas Chromatograph Auto Annular can be your answer for a distillation laboratory tool that provides the highest purity separations with automatic operation. For example: produces pure cuts with only 0.2°C boiling point differences. Integrated controls give easy, automatic operation. Outstanding features include: 2cc to 12 liter pot flask charges, excess of 150 atmospheric theoretical plate efficiency, vacuum capacity to 5 microns, 15 to 60cc throughputs/hr, temperature deviation alarm, dual range pyrometer 0 to 300°C and fast equilibration.
Prepkromatic 750 is the newest development for fully automatic operation with analytical column efficiency in prep scale quantities. Outstanding features such as annular columns, reproducible injection, troublefree collection, peak selectioncollection computer, temperature programming, and air-cooled column oven with 75' of %" Bi-Wall columns (SCR control to 500°C) insure reliable,
unattended operation. Application brochures request.
on
Conference_
flame spectroscopy and atomic absorption.
THE TORSION BALANCE CO. 35 Monhegan St.
Clifton, N. J. 07013. 201-473-6900 Exhibiting: Electronic digital presentation analytical balance; electronic digital presentation top loading balances; optical projection top loading balances; electric mortar grinder.
TRACOR, INC. 6500 Tracor Lane Austin, Tex. 78721. 512-926-2800 Exhibiting: MT 220 gas chromatograph including floor-mounted oven with capacity of 1100 cc for up to four U-shaped columns complete with total solid state electrometer, temperature programmer and up to four detection systems includ-
ing high-temperature electron capture; MT 150 G gas analyzer with ultrasonic detection; Westronies MT recorders; Stone LB 202 Series thermal instruments including new AGA accessories. TRI-R INSTRUMENTS, INC. 48 Merrick Rd. Rockville Centre, N. Y. 11570.
516766-5134 Exhibiting: Magnetic stirrers; laboratory stirring motors; pH meters; oxygen analyzers; thermistor thermometers; rotary evaporator; analytical mill. TRONAC, INC.
1804 South Columbia Lane Orem, Utah 84057. 801-225-0279 Exhibiting: Precision solution and titration calorimeter; precision temperature controllers; constant-temperature baths. TROPEL, INC. 52 West Ave. Fairport, N. Y. 14450. 716-377-3200 Exhibiting: Laser collimators; spherical and Fabry-Perot interferometers; image scanner;
light detector; optical mounts;
special lenses.
T&T TECHNOLOGY INC. 813 Stewart St. Madison, Wis. 53713. 608-257-4511 Exhibiting: Introducing DCA 801 concentration analyzes for single and dual channel auto analyzers; the SMART system for SMA 12 analyzers; digital readout for atomic absorption instruments; concentration analyzer with printout. G. K. TURNER ASSOCIATES
Sub. American Sterilizer Co. 2524 Pulgas Ave. Palo Alto, Calif. 94303. 415-324-0077 Exhibiting: Filter fluorometer; spectrofluorometer; spectrophotometer. ULTRA CARBON CORP. P.O. Box 747 1310 N. Madison, Ave. 2401 Ogletown Rd., Newark, Del. 19711 (302) 737-6330 In Europe: Spalentorweg 20, 4055 Basel, Switzerland Circle No.
100 A
.
81 on
Readers’ Service Card
ANALYTICAL CHEMISTRY, VOL. 42, NO. 2, FEBRUARY 1970
Bay City, Mich. 48706.
Exhibiting:
517-893-4575
Spectroscopic graphite and
