MANUFACTURERS'
LITERATURE
Borides, Carbides. This company's New Products brochure lists a new line of crystal-growing materials and also high purity boron nitride, silicon ni tride, boron carbide, titanium carbide, and titanium diboride. Purity and sug gested uses are listed for these chemi cals. Atomergic Chemetals Co., Divi sion of Gallard-Schlesiager Chemical Mfg. Corp., 584 Minecla Ave., Carle Place, Long Island, Ν. Υ. 11514 6 1 9 Inorganic Chemicals. This 288-page 1967 Catalog of Inorganic and Organometallic Research Chemicals lists nearly 2000 chemicals and metals. Also included are metal carbonyls, analytical reagents, anhydrous halides, rare earth metals and compounds, platinum metal compounds, and metal alkoxides. A new section lists metals in high purity and metal single crystals. Alfa Inor ganics, Inc., Beverly, Mass. 01915 620
Electrolytic Conductivity. This com pany's entire line of process electrolyt ic conductivity equipment is presented in the 36 pages of Catalog 30. The theory of electrolytic conductivity and the factors influencing selection of spe cific instruments and cells for process applications are reviewed. Price list and data sheet are included. Beckman Instruments, Inc., 89 Commerce Rd., Cedar Grove, N. J. 07009 621 Spectrochemical
Supplies.
The Finest Oils, Greases, Waxes... for High Vacuum Work-also Lubricant for High Vacuum Equipment, Masking of Circuit Boards and Other Scientific Applications
Vacuum pressures of these excellent oils are as low as 10~7 torn Greases as low as 1 0 - " torr at room tem perature. Scientists, who try Apiezon oils, prefer them for equipment used in nuclear physics, cyclotrons, elec trical equipment, vacuum tubes, etc.; the greases for general laboratory work and gas-liquid chromatogra phy; wax W with suitable solvent as a masking media. As exclusive distributor in the United States, we offer immediate shipment from stock on the complete range of Apiezon products. For applications, working characteristics, and list prices, write for new Bulletin 43-AC.
J A M E S G. Β I D D L E C O . _ _
BIDDLE.
Electrical and Speed Measuring Instruments PLYMOUTH MEETING. PENNSYLVANIA 19462 Phone 215/646-9200
See ACS Laboratory Guide for All Products/Sales Office
Circle No. 28 on Readers' Service Card
HAVE YOU CHANGED YOUR "SPECS" LATELY?
A new
catalog lists the company's line of spec troscopic plates and film, electrodes, standards, and pure materials. Also included is information on the design and operation of DTA, TGA, and pre parative instruments. Spex Industries, Inc., Box 798, Metuchen, N. J. 08840
Illustrated: Model 760 . . . $28.75 Attachment Weights: Model 707 . . . $ 5.50
622
Radionuclides. An 8-page catalog, which supersedes pages 61-66 of Cata log M, lists the array of radioactive chemicals available from, the company. Information is included on three new isotope generators for radioisotopes of short half life. New England Nuclear Corp., 575 Albany St., Boston, Mass. 02118 623 Shaker. A 4-page illustrated bulletin gives specifications for the Model G33 bench-style Gyrotory Shaker. This variable-speed shaking apparatus is en gineered for continuous operation. A variety of platform styles and sizes are available. New Brunswick Scientific Co., Inc., 1130 Somerset St., New Brunswick, N. J. 08903 624
SAVE TIME AND MONEY
WITH
THE COMPLETELY NEW
TRIPLE BEAM BALANCE WITH
PERMANENT
MAGNETIC
DAMPING!
For years the standard in every laboratory, this completely redesigned TRIPLE BEAM BALANCE now offers new ease and convenience of use. Lifetime trouble-free magnetic damping has been added together with such other time saving features as self storing attachment weights, patented fine adjustment tare poise, and improved end reading device. Models are available in metric and avoirdupois with your choice of four weighing platforms.
#131
for complete catalog "H" write
OHAUS SCALE
CORPORATION
1 0 5 0 COMMERCE AVENUE
· UNION, N . J . 07083 d e p t . CA Circle No. 69 on Readers' Service Card
OHAUS
VOL 39, NO. 3, MARCH 1967 ·
163 A
