How many Thermometers Can One Catalog Hold? Well over 1500 types! Each type has \ several options to give you precisely the thermometer you need now. From Economy Grade to Precision Grade in 1/100° delivered from stock, including ground joint, A.S.T.M., max-min, dial and custom made types. Accessories, hydrometers, prices and usage data are included.
NOW IN PAPERBACK Pulse Radiolysis
Request y o u r FREE Catalog 740 NOW.
AEC/ACS Research Monographs in Radiation Chemistry
bt co. BROOKLYN THERMOMETER CO., INC. FARMINGDALE, N.Y. Π735
·
516 694-7610
CIRCLE 21 O N READER SERVICE CARD
by Max S. Matheson and Leon M. Dorfman Now for the first time in paperback—a com plete and authoritative review of the pulse radiolysis method for studying fast reactions, which details the use of the technology, back ground information, and various applications in radiation chemistry and chemical kinetics. Nine chapters collect and classify experi mental data on: •elementary reactions in radiation chemistry, pulse radiation sources, detection methods •dosimetry, kinetic equations, aqueous systems • reactions of the hydrated electron, organic systems, and gaseous systems. First published by MIT Press. 202 pages. (1969) $11.75 clothbound (ISBN 0-84120260-5); $6.50 paperback (ISBN 0-84120230-3). Postpaid in U.S. and Canada, plus 40 cents elsewhere.
Γ
^
CRYSTAL-CLEAR
^
H
DROP
^
...symbol of reliable
^
ULTRA-HIGH-PURITY SOLVENTS from BURDICK & JACKSON Ask for Data Sheet BJ-25 "Distilled-in-Glass" Solvents
LABORATORIES
^^
Order from: Special Issues Sales American Chemical Society 1155 Sixteenth St., N.W. Washington, D.C. 20036
The
BJ-21 Liquid Scintillation Counting
^ ^
BURDICK & JACKSON LABORATORIES, INC. MUSKEGON, MICHIGAN 49442
(616)726-3171
CIRCLE 23 ON READER SERVICE CARD ANALYTICAL CHEMISTRY, VOL. 47, NO. 3, MARCH 1975 · 389 A