Manufacturers' Literature
Laboratory Items. More than 30 different laboratory items are illustrated and described in the company’s quarterly publication, No. 75, which serves as a supplement to “SGA” Combined Catalog 69, Featured are two new Cahn milliba lances and two new Corning digital pH meters. Scientific Glass Apparatus Co., Inc., Bloomfield, N. J. 615 07003
worth of pH supplies with the
purchase of Beckman pH Meter
a
Buy a Beckman Digital, Expandomatic® SS-2, Century SS™ or Research pH meter from October 15, 1969 to April 15, 1970 and we’ll give you —free —$100 worth of Meter Money good anytime for Beckman pH supplies. Or, buy a Zeromatic® SS-3 or Electromate™ and get $50 in Meter Money. If you need a new pH meter, you couldn’t pick a better time to buy. You get $100 or $50 worth of free supplies in addition to the kit supplied with each Beckman pH meter. As soon as you send in the warranty card, we’ll send your Meter Money, a convenient order form, and our 24page catalog of pH supplies and accessories. Choose anything you want up to the value of your Meter Money. Your selection will be shipped to your personal attention within 24 hours after receipt of your order. Take advantage of this special Meter Money offer now. For complete information on Beckman pH meters and supplies, call your nearest Beckman sales representative or write for Data File 17, Scientific Instruments Division, Beckman Instruments, Inc., 2500 Harbor Boulevard, Fullerton, California 92634.
Physical Sciences Laboratory. Booklet WANL-MP-049, eight pages, describes the capabilities of the physical sciences laboratory in such fields as radiochemical analysis and tracer applications; chemical analyses for practical and trace constituents; and physicalchemical characterization of materials and processes. Product Management, Westinghouse Electric Corp., Astronuclear Laboratory, P.O. Box 10864,
Pittsburgh, Pa. 15236
186 A
·
TechniLab
Turbo Mixer Patent 3,159,384
MIX IN TUBES, FLASKS OR BEAKERS EASILY, QUICKLY
616
Differential Scanning Calorimeter. An 18-page booklet, No. L-127, describes the company’s Model DSC-1B thermal analysis system.
Specifications, opera-
tion, and typical applications are included. Perkin-Elmer Corp., Instrument Div., Main St., Norwalk, Conn. 617 06852 Thermobalance. A 12-page brochure, No. L-140, discusses thermogravimetry and the company’s Model TGS-1 thermobalance. Included are photographs, Perkindiagrams, and typical scans. Elmer Corp., Instrument Div., Main 618 St., Norwalk, Conn. 06852
Liquid Chromatography Columns. Bulletin LC 1069, eight pages, describes chemically inert columns for high pressure, high resolution liquid chromatography. Chromatronix, Inc., 2743 Ninth 6 19 St., Berkeley, Calif. 94710 NMR Accessories. A 2-page data sheet describes plug-in accessories for use with the T-60 System NMR spec-
Shake 1, 2 or 3 tubes using one hand in just seconds. Mix in any size tube from micro tubes to 3A" diameter test tubes. Shake small flasks or beakers by holding atop the mixing fingers. Can- be used with any small size vessel or container. Unique design offers much deeper vortex, most efficient mixing action available through combined oscillating and reciprocating motion. Extremely simple to use just .
switch
on or
.
.
off.
trometer. Varían, Analytical Instrument Div., 611 Hansen Way, Palo Alto, 620 Calif. 94303
Resilient plastic mixing fingers have long life, will not wear out and require no replacement. They are safe and gentle, will not bruise fingers or break test tubes or other containers.
Spectrophotometric Measurements. An application report, “High Precision Spectrophotometric Measurements with the Cary 16,” is designated AR 16-1. Topics covered include sample handling
See your nearest laboratory supply dealer.
techniques, measurement techniques, error analysis, and system description. Cary Instruments, 2724 S. Peck Pd., Circle No. 136 on Readers’ Service Card
only from
Monrovia, Calif. 91016
ANALYTICAL CHEMISTRY, VOL. 42, NO. 2, FEBRUARY 1970
621
Send for 80 page catalog 469. For your FREE copy write Dept. A-2.
TECHNILAB INSTRUMENTS, INC. Subsidiary of Bel-Art Products
PEQUANNOCK, N. J. 07440 Circle No. 119 on Readers’ Service Card
