VOLUME 32, NO. 3
MARCH 1960
ANALYTICAL CHEMISTRY CONTENTS REPORT FOR ANALYTICAL CHEMISTS
This Month's Cover. Trying t o verify the authenticity of antique stone objects presents a challenge to the analytical chemist. The au thenticity of the head on the cover as well as other pieces of a similar period has been studied carefully by several experts. The cover is a small head of Amenophis IV (Akhnaton), king of Egypt, X V I I I t h dynasty, around 14001360 B.C. T h e head is of pink limestone, about 5 in. high. For more details see page 17 A. ©
Copyright 1960
Determining whether stone figures date back centuries before Christ or a r e modern replicas presents a challenge t o scientists. Several new techniques have been added t o t h e methods used b y analysts seeking t h e answers 17A
ACS MEETING T h e complete program of t h e Division of Analytical Chemistry a t t h e ACS Cleveland meeting has been released 39A
NEWS SECTION L S U meeting draws good attendance. Several summer courses a n nounced. Summer symposium plans progressing 47A
by the American Chemical Society Issued February 22, 1960
EDITOR'S COLUMN Thermoplastic recording promises extremely rapid method of stor ing large a m o u n t s of information in small space 87A G U I D E FOR A U T H O R S , published i n December 1959 issue, page 2148, outlines scope and copy requirements t o be observed in preparing manuscripts for consideration. M a n u s c r i p t ( 2 copies) should be submitted t o t h e Editor, 1155 Sixteenth St., N . W . , W a s h i n g t o n 6, D . C. The American Chemical Society assumes n o responsibility for the statements and opinions advanced by contributors t o i t s publications. Views expressed in the editorial are those of the editors and d o n o t necessarily represent the official p o s i t i o n of the American Chemical Society. I 9 6 0 Subscription Rates 1 yr. 2 yr. 3 yr. Members, foreign and domestic Nonmf mbers, domestic and Canada Nonmembers, foreign except Canada
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ANALYTICAL CHEMISTRY
LABORATORY OF THE MONTH Catalyst research is changing a r t to science
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INSTRUMENTATION New automatic recording balance is extremely sensitive a n d fast 97 A
BOOKS... 74 A ANALYST'S CALENDAR. . .62 A BRIEFS...9 A NEW CHEMICALS... 115 A EDITORIAL...305 MANUFACTURERS' LITERATURE... 119 A PRODUCT CAPSULES... 123 A NEW PRODUCTS... 103 A READERS' INFORMATION SERVICE.. .116 Β
