G. FREDERICK SMITH CHEMICAL COMPANY - ACS Publications

Aug 1, 1973 - G. FREDERICK SMITH CHEMICAL COMPANY. Anal. Chem. , 1973, 45 (10), pp 4LG–4LG. DOI: 10.1021/ac60332a706. Publication Date: ...
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Analytical Chemistry Volume 45, No. 10, August 1973 Laboratory Guide to Instruments, Equipment, and Chemicals Editorial Manager Arthur Poulos Editorial Assistant Joanne Mullican

PERCHLORIC ACID and PERCHLORATE SALTS

Production Manager Bacil Guiley Advisory Committee Ε. Ε. Fleck Edward C. Knoblock John K. Taylor

Seven concentrations and grades of per­ chloric acid and fifty-nine perchlorate salts.

A M E R I C A N C H E M I C A L SOCIETY 1155 16th St., N.W., Washington, D.C. 20036 Analytical Chemistry produced under the direction of Books and Journals Division

Director John Κ Crum Assistant to the Director Ruth Reynard

Cerium (IV) salts for oxidation-reduction work and Cerium (III) salts for general laboratory use.

IODIC and PERIODIC ACIDS and SALTS lodates and periodates for oxidation, standards and general laboratory work.

Director Richard L. Kenyon

DESICCANTS

Copyright 1 9 7 3

DEMUTH Laboratory Glassware Demuth quality glassware is produced from carefully controlled formulations to meet precise laboratory require­ ments for each glass product.

Demuth products include: • Pipettes in a variety of capacities and calibrations. • A wide range of culture tubes and test tubes—constricted and plain. •

Scintillation vials.



Colorimeter tubes.



Stir rods and Applicator rods. Send for Tissue Culture and Bacteriological C a t a l o g — a complete guide to glass­ ware and related plastic parts.

DEMUTH GLASS DIVISION Parkersburg, West Virginia 26101 A Division of

BROCKWAY GLASS COMPANY,

INC., BROCKWAY, PA, 15824

CIRCLE 395 ON READER SERVICE CARD 4 LG AUGUST 1973

by the American Chemical Society The American Chemical Society assumes no re­ sponsibility for the statements and opinions advanced by contributors to its publications.Views expressed in the editorials are those of the editors and do not necessarily represent the official position of the American Chemical Society. 1973 Subscription Rates 1 yr. 2 yr. Members, domestic and foreign Nonmembers. domestic and Canada Nonmembers, foreign excgpt Canada

Colorimetric, complexometric, spectrophotometric, reduction-oxidation, fluorometric and precipitation reagents for general analysis or trace element deter­ minations.

CERIUM COMPOUNDS

Laboratory Guide produced under the direction of Division of Public Affairs and C o m m u n i c a t i o n

Insist on

INDICATORS and PRECIPITATION REAGENTS

3 yr.

$ 5 00

S 9 00

$12.00

7 00

12 00

16.00

15.00

27 50

40.00

Postage: Canada and Pan-American Union. $4.00; foreign, $5.00. Single copies current, $2.00 except Annual Reviews, $3.00 each. Rates for back issues and volumes are available from Special Issues Sales Dept, 1155 Sixteenth St.. N.W.. Washington, DCSend all new and renewal subscriptions with payment to: Office of the Controller, 1155 Sixteenth Street, N.W., Washington, DC. 20036 All correspondence and telephone calls regarding changes of address, claims for missing issues, subscription service, the status of records, and accounts should be directed to: Manager, Membership and Subscription Services, American Chemical Society, P.O Box 3337. Columbus, Ohio 43210. Telephone (614) 421 -7230. On changes of address, include both old and new addresses with ZIP code numbers, accompanied by mailing label from a recent issue. Allow four weeks for change to become effective. Claims for missing numbers will not be allowed (1) if received more than sixty days from date of issue plus time normally required for postal delivery of journal and claim. (2) if loss was due to failure of notice of change in address to be received before the date specified in (1), or (3) if the reason for the claim is "Issue missing from files." Published monthly with Review issue added in April and a Laboratory Guide in August by the American Chemicai Society, from 20th and Northampton Sts., Easton, Pa 18042: Executive Offices and Editorial Headquarters, 1155 Sixteenth St., N.W, Washington, D.C. 20036; Advertising Office, 142 East Ave., Norwalk, Conn. 06851. ANALYTICAL CHEMISTRY and other ACS periodicals are available on microfilm. For information write to MICROFILM, Special Issues Sales Dept., American Chemical Society, 11 55 Sixteenth St., N.W., Washington. D.C. 20036 Second class postage paid at Washington, D.C. and at additional mailing offices.

Featuring magnesium perchlorate, the most efficient of the chemical dryers.

PRIMARY STANDARDS Oxidation-reduction, acid-base and com­ plexometric standards for the best ana­ lytical work.

GENERAL LABORATORY REAGENTS Many of the common reagents are now available by direct order from G. Fred­ erick Smith Chemical Co.

Write for our NEW & COMPLETE 1973 catalog, listing over 350 chemicals. It's FREE!

G. FREDERICK SMITH C H E M I C A L COMPANY P. 0. Box 23344, Columbus, Ohio 43223 Phone: 614-224-5343 "ANALYTICAL CHEMICALS SINCE 1 9 2 8 " CIRCLE 440 ON READER SERVICE CARD LABORATORY

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