CELL RECONDITIONING SERVICE CELL RECONDITIONING SERVICE
Manufacturers' Literature Organic Chemicals Catalog. An 8-page catalog of over 200 fine chemi cals includes silanes, deuterated sol vents, amidines, and derivatives of piperonal. T h e c o m p a n y capabilities in custom synthesis and small-scale pro cess development are also described. Marshallton Research Laboratories, Inc., Box 305, West Chester, P a . 19380 636 Electre-balance Catalog. An all-prod uct catalog, 16 pages, covers t h e com p a n y ' s electrobalances for scientific and engineering laboratory applica tions. Bulletin N o . 135. C a h n Div., Ventron I n s t r u m e n t s Corp., 7500 Jef ferson St., P a r a m o u n t , Calif. 90723 637 Instrumentation Catalog. T h e 1970 edition of t h e Honeywell I n s t r u m e n t a tion H a n d b o o k describes the division's line of electronic test instruments and customer services. F o r information on how to obtain the handbook, contact C. F . Creswell, Honeywell T e s t I n s t r u ments Div., P.O. Box 5227, Denver, Colo. 80217
C o m p a n y Periodicals Requests for copies of the following publications should be sent directly to the address shown. Business or pro fessional letterheads are requested. Gas-Chrom Newsletter. Vol. 11, No. 3, 4 pages, describes a column packing technique and contains information on pretested Adsorbosils, phenol separa tions, acetylation kits, and drug analy sis. Applied Science Laboratories, Inc., State College, Pa. 16801
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RECONDITIONING SERVICE CELL RECONDITIONING SERVICE CELL RECONDITIONING ζ Circle No. 71 on Readers' Service Card
HAMAMATSU S c o r e s α N e w Mileston in P h o t o m u l t i p l i e r Tubes
Chromatography/Lipids. Vol. IV, N o . 2, 8 pages, features an article on b a r b i t u r a t e analysis. Other articles cover free fatty acid analysis, new m a terials and reagents available, n e u r a minic acid analysis, and miscellaneous information. Supelco, Inc., Bellefonte, P a . 16823 MPI Applications Notes. Vol. 5, N o . 2, 8 pages, discusses pulse polarograp h y : principles, instrumentation, inte grated circuitry, and analytical preci sion and sensitivity. McKee-Pedersen I n s t r u m e n t s , P . O . ' B o x 322, Danville, Calif. 94526 Current Laboratory Practice. Vol. 2, N o . 2, 16 pages, features an article on reproduction of Immunoelectrophoresis separations and includes a special sec tion on lipoprotein electrophoresis. Gelman I n s t r u m e n t Co., P.O. Box 1448, Ann Arbor, Mich. 48106
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ANALYTICAL CHEMISTRY, VOL. 42, NO. 8, JULY 1970
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