Manufacturers' Literature
Labeled compounds, 28-p guide for users contains information on physical properties, specific activity, nomen clature, radiochemical purity, storage and stability, handling, packaging, and recovery plus a glossary. The Radio chemical Centre, Amersham, Bucks, England Crystals catalog, 22 p, lists ultrahighpurity crystals grown from 73 types of metals, alloys, and nonmetallic ma terials. Given are method of grow ing, typical purity, available diameters, and prices. Materials Research Corp. 914-359-4200 458
END DANGER OF BREAKING GLASS . . . with the BEL-ART Safety Dewar A silvered borosilicate glass dewar with a protective container made of corrosion-proof black polyethylene.
Gc accessories, 56-p catalog includes sections on column materials, deriva tives, analytical systems, and general accessories. Also included are helpful graphs, application charts, illustrations, and reference material. Regis Chemi cal Co. 312-943-1622 459
Available at your laboratory supply house. Send for NEW 88 page catalog
372. For your FREE copy write Dept. A-JO
BEL-ART PRODUCTS PEQUANNOCK, N. J . 0 7 4 4 0 CIRCLE 16 O N READER SERVICE CARD
The preferred column tubing NOW AVAILABLE FOR IMMEDIATE
Mechanical balances, 16-p booklet de scribes company's full line of mechani cal balances and accessories and in cludes 15 top-loading and 18 analytical models. Mettler Instrument Corp. 461 Water and pollution analysis systems,
SHIPMENT
HANDY & HARMAN TUBE CO.
CHROMAT I.D. T.M Now! Chromât I.D. Tubing is available in pre-packaged boxes for immediate shipment. Available on spools in lengths from 100' to 1000' in sizes . 0 6 2 " O.D. χ . 0 1 0 " , . 0 2 0 " , . 0 3 0 " I.D. Other sizes up to . 6 2 5 " O.D. also available.
A Handy and Harman Company
HH
HANDY & HARMAN TUBE COMPANY Norristown, Pa. 19404 Telephone (215)275-2734 Outside U.S.A.: Handy & Harman Tube Co. Export Dept. 1010 Schaff Bldg. Phila. Pa. 19102. Cable-Machinex. Telex 845-388 CIRCLE 9 6 O N READER SERVICE CARD
106 A ·
Mass analyzer, 8-p brochure describes the 100C digitized quadrupole mass analyzer, a computer compatible instru ment with BCD output. UTI. 408738-3301 460
ANALYTICAL CHEMISTRY, VOL. 44, NO. 12, OCTOBER 1972
24 p, Bull. 8, fists complete line of testers, instruments, monitor/con trollers for over 70 water, waste, pollu tion, and process control tests from acidity to zinc. Delta Scientific Corp. 516-884-4442 462 Safety equipment, 8 p, Bull. 221, con tains information on safety showers, fire fighting equipment, and storage cabinets. Fisher Scientific Co. 412391-1330 463 Silica gels, 4-p bulletin, ADS-220-572, characterizes many grades of silica gel for use in selective adsorption as to chemical analysis and characteristics in cluding purity, pore volume, pore diam eter, bulk density, and mesh size. W. R. Grace & Co. 301-727-3900 4 6 4 Separatory funnels and centrifuge glassware, 12 p, Catalog 80A350, con tains illustrations, specifications, and ordering information on Lab-Crest items. Fischer & Porter Co. 215-6756000 465
