;
NALGOri IPLA
Product Capsules odor, low solvent retention in coatings· and no handling or storage problemsCommercial Solvents Corp., 260 Madi son Ave., N. Y. 16, Ν. Υ. 9Α Radiochemicals. Catalog available on company's revised list of radiochemicals and current prices. C 14 and H 3 labeled compounds are available from stock. Research Specialties Co., 2005 Hopkins St., Berkeley, Calif. 68A-2
**g??>,~'
ualified
to do the BEST >
gives you absolute plus:
flexibility
ABSOLUTE SAFETY COMPLETE NEUTRALITY HIGH CHEMICAL RESISTANCE EXCELLENT DIMENSIONAL STABILITY RESISTANCE TO AGE DISCOLORATION WATER-WHITE TRANSPARENCY HEAT RESISTANCE
MISCELLANEOUS Chemical Handbook. Complete de scriptive folder available on the 38th Edition "Handbook of Chemistry and Physics." Handbook has more than 100 pages of new and revised technical information on chemistry, physics, and mathematics. The Chemical Rubber Co., 2311 Superior Ave., Cleveland 14, Ohio. 79A-1
Available in all sizes from i/8" I.D. thru 2" I.D. There are many plastic tubings priced higher, but there are none better.
/
/ /
Employment, Analytical Chemistry.
Sylvania's central research laboratories, located at Bayside, Ν. Υ., have an opening in their mass spectrometry section for a physical chemist. Circle 64A-2 for details. Sylvania Electric Products, Inc., Bayside, Ν. Υ. 64Α-2
NALGE CO., INC.
ROCHESTER 2.NEW YORK For further information, circle number 77 A-1 on Readers' Service Card, page 79 A
Employment. Ph.D. in chemistry, physics or metallurgy wanted for nuclear radiation studies for application to atomic flight. 8 to 10 years' experi ence in radiation field necessary. Open ings in Cincinnati, Ohio and Idaho Falls, Idaho. General Electric Co. 28A-2
4tom ΟΜΛ
if*-
Employment, Engineers. Company's continued growth creates openings for creative engineers. Career file avail able. Beckman Instruments, Inc., Fullerton, Calif. 57A-2
INORGANIC REAGENTS
Laboratory Supply Service. Advan tages cited when dealing with company include: 1736-page catalog and supple ment, competent technological staff available, and adequate stocks of 22,000 prepackaged items for immediate ship ment. Arthur H. Thomas Co., Box 779, Phila. 5, Pa, 38A
I INDICATORS STAINS Will///
Planning Service. Informative cat alog available on Bausch & Lomb spectroscopic equipment. Company also offers free analytical planning service for spectrography application. Bausch & Lomb Optical Co., St. Paul St., Rochester 2, Ν. Υ. 4-2 cover Quantitative
Analysis
FINE ORGANICS
OVER 4000 ITEMS / FROM A' i SINGLE SOURCE
MATHES0N, COLEMAN & BELL REAGENT CHEMICALS INCLUDE PRACTICALLY ALL THE ITEMS USED IN LABORATORY WORK! Our Reagent Orsanic Chemical conform not only to the specifications shown in our price list but also to the best literature values. The Reagent labels.
Inorganic
Chemical carry maximum-limits-of-impurities
In addition to Reagent Organic and Inorganic Chemicals, many items of U.S.P., N.F., Practical and Technical grades are available. OUR NEW C A T A L O G LISTING M O R E T H A N 4000 ITEMS WILL BE SENT O N REQUEST
Guide.
A complete working guide to basic unit operations, "Essentials of Quantitative Analysis" by A. A. Benedetti-Pichler, Queens College, is available at $15. 138 illustrations, tables; 666 pages. The Ronald Press Co., 15 East 26th St., N. Y. 10, Ν. Υ. 66Α-3
MATHESON —BCr
C O L E M A N & BELL DIVISION OF THE MATHESON COMPANY,
Manufacturing EAST RUTHERFORD. N I W J I R S I T ·
NORWOOD
INC.
Chemists CINCINNATI
OHIO
For further information, circle number 77 A-2 on Readers' service Card, page 79 A
V O L U M E 2 8, NO. 11, N O V E M B E R
1956
77 A
