THE JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY, DECEMBER, 1947

: , . o w All Coleman Junior Spectrophotometers A,, J..~o,, Are

Interchangeable Are INTER- C H A N G E A B L E !

The new JUNIOR Spe~trophotometers are now ca l ibra ted

at the fac to ry to insure EQUAL performance.

And you may ve r i f y this ca l ibra t ion in o few seconds . . . q

correct ing minor changes by the turn o f a single thumb

screw. Thus, published curves may now be

I dupl icated exac t ly . . . a l l your instru-

"~'<~'/~.~x ments may use the same direct reading

t ~ _ . scale!

No FILTERS . . . just turn one dial fo r

- the precisely centered wove bond you

need! A l l ca lor imet r ic determinat ions TURNINC

ONE KNOB . . . concentrat ion o f substance in solu- perm.ts selec- t ion versus t ransmi t tance . . . may tion of any color hght band re- be read d i rect ly w i th interchangeable Clu.ed. scales, or you may plot curves on the

I I usual semi-log graph paper.

Expression of color of a solution, formerly done on Lovi- bond Tintometer, is now more accurately expressed with Spectrophotometer readings! Swift & Company use 8 Juniors for this!

* A l l ca lor imet r ic procedures are easi ly

O changed to f i t the increased sensi t iv i ty of

this modern instrument. As much of this

work has a l ready been done by present

users, we now have detai led procedures

for many determinat ions. Wr i te fo r . . .

METHODS OF VITAMIN ASSAY (Assoc. Vii. Chemists) .......... $3.50

SYMPOSIUM ON ANALYTICAL COLORIMETRY AND PHOTOMETRY FERROUS AND NON FERROUS METALS (A.S.T.M.) .............................................................................. 1.00

STEEL AND IRON ANALYSIS ................................................... FREE

SINGLE SAMPLE METHOD FOR P, Mo, Ni and Cr IN IRON AND STEEL (Sober) .............................................................. FREE

BULLETIN NO. CB-11, DETAILED DESCRIPTION OF THE JUNIOR SPECTROPHOTOMETER ........................................ FREE

BOILER WATER ANALYSIS ...................................................... FREE

CLINICAL METHODS FOR THE COLEMAN CLINICAL SPECTROPHOTOMETER MODEL-6 ...................................... 7.50

Plan 39th Annual Meeting T HE 39th annual meeting of the American Oil

Chemists' Society will be held in New Orleans, Louisiana, on May 4, 5, and 6, 1948, with the

Roosevelt hotel as headquarters. On the agenda will be committee reports, election of officers, technical

papers, and other items. Preceding and following the three-day meeting there will be meetings of the outgoing and incoming Governing Board. President R. T. Milner will preside at the former. Dr. Milner has named T. H. Hopper as general chairman of the New Orleans Local Committee. The chairmen of the sev- eral committees to arrange the various details for this meeting are :

Mrs. H. P. Newton, Ladies' Entertainment K. S. Markley, Technical Program H. P. Newton, Hotel Reservations E. L. D'Aquin, Registration J. A. Kime, Publicity J. J. Ganucheau, Annual Dinner F. C. Magne, Golf E. A. Gastrock, Finances C. L. Hoffpauir, Printing

Tentative plans contemplate having the annual din- ner on the evening of May 5 and arranging a special feature of entertainment for all on the evening of May 6. The traditional golf tournament will be held on the afternoon of May 5.

Every effort will be made to provide an excellent program of entertainment for the ladies. Members who will bring their wives to the meeting are re- quested so to advise when requesting hotel reserva- tions so that Mrs. H. P. Newton and her committee may plan according to the number attending.

Hotel reservations should be made through Col. H. P. Newton, chairman of Hotel Reservations, Southern Regional Research Laboratory, 2100 Robert E. Lee Boulevard, New Orleans 19, Louisiana. First and second choice hotels should be indicated since the Hotel Association of New Orleans has allotted 225 rooms in nine hotels to the Society meeting.

The Technical Program Committee desires to select papers for the 39th annual meeting on the basis of their quality and timeliness of subject matter. All members who wish to appear on the program are reqpested to submit titles of proposed papers, authors, and authors' applications at the earliest possible date. Abstracts of all papers must be in the hands of the Technical Committee not later than March 1, 1948, in order to be included in the printed program. Titles may be submitted at any time between now and the deadline for receipt of abstracts. Correspondence re- garding presentation of papers should be addressed to Dr. K. S. Markley, Chairman, Technical Program Committee, Southern Regional Research Laboratory, 2100 Robert E. Lee Boulevard, New Orleans 19, Louisiana.

John M. West, with FOSTER WHEELER CORPORATION since 1940, has been appointed director of public relations.

L. N. Harrison, southeastern district manager of the Votator division, GIRDLER CORPORATION, has moved from Charlotte, N. C., to 505 Forsyth building, Atlanta, Ga.

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