Journal of Chemical Documentation Published quarterly by the A merican Chemical Society at 20th and Northampton Sts., Easton, Pennsylvania
18042
HERMAN SKOLNIK, Editor Hercules Incorporated, Wilmington, Delaware
19809
ADVISORY BOARD FREDERIC
R.
EUGENE GARFIELD Institute for Scientific Information
BENSON
Atlas Chemical Industries, Inc.
WILLIAM H. LONGENECKER Technical Information Division, Department of the Army
CARLOS M. BOWMAN The Dow Chemical Co.
H E L E N F. GINSBERG American Dental Association
HAROLD OATFIELD Chas Pfizer & Co., Inc.
JOE H. CLARK American Cyanamid Co.
KURT L. LOENING Chemical Abstracts Service
FRED R. WHALEY Consultant, Washington, D. C.
RUTH REYNARD Manager, Manuscript Editing
HARRY A. WOODELL Group Leader Photocomposition
Editorial Headquarters Washington, D. C. 20036 1155 Sixteenth St., N, W. Phone 202-737-3337 This issue was Photocomposed
on the Photon Photographic
Type Composing
machine using computer-generated
tape.
AMERICAN CHEMICAL SOCIETY PUBLICATIONS 1155 Sixteenth RICHARD L. KENYON Director of Publications
Street, N.W.,
Washington, D. C.
JOSEPH H. KUNEY Director of Business Operations Director of Publications Research
20036 DAVID E. GUSHEE Publication Manager, Journals
GUIDE FOR AUTHORS T h e Journal of Chemical Documentation invites n e w ( n o t p r e v i o u s l y p u b lished) a n d original c o n t r i b u t i o n s which, if a c c e p t e d , a r e n o t t o b e p u b l i s h e d elsewhere. S u g g e s t i o n s b y a u t h o r s w i t h respect t o referees for their m a n u scripts will b e a p p r e c i a t e d . M a n u s c r i p t s should be 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 d o u b l e s p a c e d o n s u b s t a n t i a l 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 c a t i o n process a r e a c c e p t a b l e . C o n s u l t a r e c e n t issue of t h e J o u r n a l for general style. 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 sentences 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. Only r e l e v a n t d a t a should be included in t h e t e x t , 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 where t h e y c o n t r i b u t e t o c l a r i t y a n d conciseness. Reference t o 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 usage a s exemplified by C H E M I C A L A B S T R A C T S . Tables s h o u l d 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 b e included a t 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 a r e of high c o n t r a s t a n d n o t t o o large for s u i t a b l e p h o t o r e d u c t i o n . Structural formulas should be used a s economically a s is consistent w i t h c l a r i t y . C o m p l e x formulas should be p r e p a r e d a s i l l u s t r a t i o n s . Illustrations t h a t c a n be r e p r o d u c e d b y m e a n s of line c u t s a r e 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 10 inches). L i n e d r a w i n g s m u s t b e carefully p r e p a r e d ; freehand w o r k is n o t s u i t a b l e a n d will n o t be r e d r a w n by t h e J o u r n a l . D r a w i n g s should be 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 times t h e size desired in t h e c u t . I t m u s t b e 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 o n 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 a r e h e a v i e r lines t h a n c o o r d i n a t e lines, w h i c h should n o t b e closer t o g e t h e r t h a n 10 m m . P o i n t s on c u r v e s should be t r u e circles, s q u a r e s , or triangles 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 n o t b e 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 t h e figure a n d t h e legend should be t y p e d on 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 b a c k of t h e d r a w i n g . I n t h e former case, w r i t e or p r i n t 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 a r e s u i t a b l e if t h e y a r e 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 should be numbered in t h e text as superscripts ( 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 b e 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 f o o t n o t e s s h o u l d b e assigned s u p e r s c r i p t n u m b e r s , a s 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 p l a c e d 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 order b y t h e first a u t h o r . Abbreviations of journals should 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 P e r i o d i c a l s A b s t r a c t e d b y Chemical Abstracts"). J o u r n a l references (see following s a m p l e for a r r a n g e m e n t a n d p u n c t u a t i o n ) s h o u l d 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 e 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, 43-47(1967). B o o k 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 p a g e . I n referring t o a b o o k w r i t t e n b y 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, i n " 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, I n c . , N e w Y o r k , Ν . Υ., 1950. M a n u s c r i p t s a n d proofs a r e s e n t t o a u t h o r s . Proofs should b e carefully corrected, verified against t h e m a n u s c r i p t ( t h e e d i t o r s d o not d o 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 h o u r s . 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 t h i s c o u n t r y t o correct proof. E x t e n s i v e a l t e r a t i o n s of a n article after it h a s been set in t y p e a r e m a d e a t 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 t o d e f r a y 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 a r e w i t h d r a w n . Page charges of $15 p e r 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 h e l p defray m e c h a n i c a l a n d h a n d l i n g costs; n o t i c e is s e n t w i t h t h e proofs. P a y m e n t is e x p e c t e d in c o n n e c t i o n w i t h p u b l i c a t i o n of t h e results of s p o n s o r e d 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 p u b l i s h 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 o r d e r slip, is also s e n t t o t h e a u t h o r . R e p r i n t s should b e o r d e r e d w h e n proof's 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 o r so after p u b l i c a t i o n .
