Journal of Chemical Documentation Published quarterly by the American Chemical Society at 20th and Northampton Sts., Easton, Pennsylvania
18042
HERMAN SKOLNIK, Editor Hercules Incorporated, Wilmington, Delaware
19809
ADVISORY BOARD F R E D E R I C R.
BENSON
EUGENE
Atlas Chemical Industries, Inc.
C A R L O S M.
BOWMAN
H E L E N F.
The Dow Chemical Co. JOE H.
GARFIELD
W I L L I A M H.
Institute for Scientific Information
GINSBERG
HAROLD
American Dental Association
CLARK
K U R T L.
American Cyanamid Co.
RUTH
LOENING
F R E D R.
on the Photon Photographic
WHALEY
Consultant, Washington, D. C.
REYNARD
H A R R Y A.
Manager. Manuscript Editing
This issue was Photocomposed
OATFIELD
Chas Pfizer & Co., Inc.
Chemical Abstracts Service
Editorial Headquarters Washington, D. C. 20036 1155 S i x t e e n t h St., N . W . Phone 202-737-3337
LONGENECKER
Technical Information Division, Department of the Army
Type Composing
WOODELL
Group Leader Photocomposition
machine
using computer-generated
tape.
AMERICAN CHEMICAL SOCIETY PUBLICATIONS 1155 Sixteenth Street, N. W., Washington, RICHARD
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KENYON
Director of Publications
J O S E P H H.
D.
KUNEY
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C.
20036 D A V I D E.
GUSHEE
Publication Manager, Journals
GUIDE FOR AUTHORS T h e Journal of Chemical Documentation invites new (not previously p u b lished) a n d original c o n t r i b u t i o n s which, it a c c e p t e d , a r e n o t t o b e published elsewhere. S u g g e s t i o n s by a u t h o r s with respect to referees for t h e i r m a n u scripts will be a p p r e c i a t e d . M a n u s c r i p t s should b e s u b m i t t e d in triplicate a n d t y p e w r i t t e n doublespaced on s u b s t a n t i a ! p a p e r : good, clean copies m a d e b y a p e r m a n e n t dupli cation process are a c c e p t a b l e . C o n s u l t a recent issue of t h e J o u r n a l for general s t y l e . Titles should tell a c c u r a t e l y a n d clearly w h a t t h e p a p e r is a b o u t , in t e r m s of m a x i m u m specificity. A n i n f o r m a t i v e a b s t r a c t of -3 t o 4 s e n t e n c e s is r e q u i r e d ; it should s u m m a r i z e t h e principal findings. O n l y r e l e v a n t d a t a should be included in t h e text, a n d e q u a t i o n s , figures, a n d t a b l e s should be e m p l o y e d w h e r e they c o n t r i b u t e to clarity a n d conciseness. R e f e r e n c e to t h e " H a n d b o o k for A u t h o r s of P a p e r s in t h e J o u r n a l s of t h e A m e r i c a n C h e m i c a l S o c i e t y " is r e c o m m e n d e d . Nomenclature should conform w i t h A m e r i c a n u s a g e as exemplified by C H E M I C A L A B S T R A C T S . Tables should be n u m b e r e d consecutively w i t h A r a b i c n u m e r a l s a n d should be included at t h e p r o p e r places in t h e m a n u s c r i p t . C o m p u t e r p r i n t o u t s m a y be e m p l o y e d only w h e n t h e y are of high c o n t r a s t a n d n o t too large for suitable pho'toreduction. Structural formulas should be used as economically as is consistent w i t h clarity. C o m p l e x f o r m u l a s should be p r e p a r e d as illustrations. Illustrations t h a t can be r e p r o d u c e d by m e a n s of line c u t s are pre ferred, a l t h o u g h halftone r e p r o d u c t i o n c a n be u n d e r t a k e n from highc o n t r a s t , glossy p h o t o g r a p h s (8 χ 1ϋ inches). Line d r a w i n g s m u s t be carefully p r e p a r e d ; freehand work is n o t suitable a n d will n o t be r e d r a w n b y t h e J o u r n a l . D r a w i n g s should b e d o n e w i t h I n d i a ink o n w h i t e d r a w i n g p a p e r , blue t r a c i n g cloth, or blue-lined c o o r d i n a t e p a p e r , t w o or t h r e e t i m e s t h e size desired in the cut. It m u s t be r e m e m b e r e d t h a t n u m b e r s a n d letters on t h e d r a w i n g or in t h e m a r g i n s will also b e r e d u c e d in size; t y p i n g is therefore u n s u i t a b l e . G r a p h s should b e p r e p a r e d so t h a t t h e " c u r v e s " a n d t h e m a r g i n s are heavier lines t h a n c o o r d i n a t e lines, which s h o u l d not be closer t o g e t h e r t h a n 10 m m . P o i n t s o n c u r v e s s h o u l d be t r u e circles, squares, or t r i a n g l e s large e n o u g h for t h e necessary r e d u c t i o n . F o r m u l a s a n d legends s h o u l d not be d r a w n on t h e g r a p h s . T h e n u m e r i c a l d e s i g n a t i o n (Arabic) of the figure a n d t h e legend should be t y p e d o n a s e p a r a t e sheet of p a p e r or p r i n t e d on t h e back of t h e d r a w i n g . I n t h e former case, w r i t e or print t h e figure n u m b e r o n t h e b a c k of t h e d r a w i n g . P h o t o g r a p h i c copies of d r a w i n g s are s u i t a b l e if t h e y a r c clear, highc o n t r a s t , preferably glossy p r i n t s . O r d i n a r y p h o t o c o p i e s a r e u n s a t i s f a c t o r y .
Literature citations s h o u l d be n u m b e r e d in t h e t e x t as s u p e r s c r i p t s ( w i t h o u t p a r e n t h e s e s ) . F o o t n o t e s citing w h e r e a n d w h e n t h e p a p e r w a s p r e s e n t e d s h o u l d be m a r k e d w i t h a n asterisk, a n d c h a n g e of a d d r e s s of a n a u t h o r w i t h a dagger. O t h e r footnotes should be assigned s u p e r s c r i p t n u m b e r s , as for l i t e r a t u r e c i t a t i o n s . C i t a t i o n s preferably should be placed a t t h e e n d of t h e p a p e r a n d preferably listed in a l p h a b e t i c a l o r d e r b y t h e first a u t h o r . Abbreviations of journals s h o u l d be t h o s e used b y C H E M I C A L A B S T R A C T S (see " L i s t of Periodicals A b s t r a c t e d b y Chemical Abstracts''). J o u r n a l references (see following sample for a r r a n g e m e n t a n d p u n c t u ation) should cite preferably c o m p l e t e p a g i n a t i o n a n d t h e title of t h e paper: (1)
B o w m a n , C. M . . F . A. L a n d c e , a n d M . H . Reslock, " A C h e m i c a l l y O r i e n t e d I n f o r m a t i o n S t o r a g e a n d R e t r i e v a l S y s t e m . I. S t o r a g e a n d Verification of S t r u c t u r a l I n f o r m a t i o n , " -J. C H E M . D O C . 7, 4 3 - 4 7 (1967). Book references should cite a u t h o r , title, publisher, p u b l i c a t i o n d a t e , a n d page. In referring to a book w r i t t e n by v a r i o u s c o n t r i b u t o r s , cite a u t h o r first a s : (1) W i n s t e i n , S., a n d R. B . H e n d e r s o n , C h a p t e r 1, p . 60, in " H e t e r o cyclic C o m p o u n d s , " Vol. 1, R. C. Elderfield, E d . , J o h n Wiley a n d Sons, Inc., N e w York, Ν . Υ., 1950. M a n u s c r i p t s a n d proofs are sent t o a u t h o r s . Proofs should be carefully corrected, verified against t h e m a n u s c r i p t (the editors do not do this), a n d r e t u r n e d w i t h t h e m a n u s c r i p t w i t h i n 48 hours. F o r e i g n c o n t r i b u t o r s m a y a u t h o r i z e a colleague in this c o u n t r y to correct proof. E x t e n s i v e a l t e r a t i o n s of an article after it h a s been set in t y p e a r e m a d e at t h e a u t h o r ' s expense, a n d it is u n d e r s t o o d t h a t b y e n t e r i n g such a l t e r a t i o n s o n proofs t h e a u t h o r agrees to defray t h e cost thereof. A u t h o r s will also be responsible for costs of m a t e r i a l set in t y p e w h e n articles are w i t h d r a w n . Page charges of $15 per p r i n t e d p a g e h a v e been a u t h o r i z e d for t h e J o u r n a l t o help defray m e c h a n i c a l a n d h a n d l i n g costs; notice is s e n t w i t h t h e proofs. P a y m e n t is expected in connection w i t h p u b l i c a t i o n of t h e results of sponsored research. S u c h p a y m e n t is n o t a p r e r e q u i s i t e t o p u b l i c a t i o n : t h e E d i t o r ' s decision t o publish is m a d e i n d e p e n d e n t l y of page-charge considerations. A t a b l e showing cost of r e p r i n t s , w i t h a n order slip, is also sent t o t h e a u t h o r . R e p r i n t s s h o u l d be ordered w h e n proofs a r e r e t u r n e d . R e p r i n t s a r e s h i p p e d w i t h i n a m o n t h or so after p u b l i c a t i o n .
