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Atomic Absorption Spectroscopy— Some Analytical Applications and Some Limitations. R. Wells, Hilger & Watts. Ltd. How to Make a Fool of a Spectrographer and Vice Versa. R . J. Meltzer, Bausch & Lomb Scientific Bureau. Mapping Magnetic Fields on the Sur face of the Sun. V. Gaizauskas, Domin ion Observatory. Direct Reading Emission Vacuum Spectrometer for Analysis of up to Twelve Elements in Steel Including Car bon, Phosphorus, and Sulfur. J. F . Gurney, Technical Service Laboratorie,-. Effect of Graphite Counter Electrodes on Spark Spectroscopy Precision. J . Weinard, National Carbon Co. Application of Direct-Reading Spec trochemistry to Ores. J. E . Burgener. Technical Service Laboratories. Information Which Can Be Obtained by High Resolution Nuclear Magnetic Resonance Spectroscopy. S. Brownstein. National Research Council. Rapid Hydrogen and Fluorine Analy sis by Wide Line Nuclear Magnetic Resonance. Herbert Ruben, Seniumberger Well Surveying Corp. An International Spectrograph^ Affili ation. Theodore Zink, Society for Ap plied Spectroscopy. Wednesday
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I n a d d i t i o n t o p r o t e c t i n g l a b o r a t o r y p e r s o n n e l from o b n o x i o u s o r t o x i c gases, t h e A l o e - P e t r o l i t e F u m e H o o d saves c o n d i t i o n e d a i r . N o t o n l y i n t h e r o o m w h e r e it is i n s t a l l e d , b u t in t h e e n t i r e b u i l d i n g . Losing cooled o r heated air t h r o u g h fume hoods places a n extra load o n refrigeration a n d heating e q u i p m e n t . Result:
unnecessary
e x p e n s e . B u t — b y u s i n g outside a i r i n s t e a d of r o o m a i r , t o c a r r y off fumes, w a s t e of c o n d i t i o n e d a i r is s t o p p e d . T h i s h o o d d o e s j u s t t h a t . I t o p e r a t e s a s a n i n d e p e n d e n t u n i t , c o m p l e t e l y i s o l a t e d from rest of r o o m . A n d i n a i r c o n d i t i o n i n g savings i t c a n p a y for itself.
Advantages of High Resolution in In frared Spectroscopy. R. N . Jones, N a tional Research Council. Advantages of High Signal-to-Noise Ratio in Infrared Spectroscopy. W. J. Potts, The Dow Chemical Co. Some Applications of Infrared Spec troscopy Between 800 cm.- 1 and 240 cm.-i. Ν . Τ. McDevitt and F . F . Bentley, Wright Air Force Base. Some Studies in Long-Wave Length Infrared Spectroscopy. F . A. Miller. Mellon Institute. Comparative Infrared Spectra of Ver tebrate Red Blood Cells. D . S. Erley, The Dow Chemical Co. Infrared Studies of Inorganic Ace tates. S. E. Wiberly, Rensselaer Poly technic Institute. Structure of Tertiary Amine Addition Compounds of Metal Halides. H . Szymanski, Canisius College. Low Temperature Infrared Spectra of Amine Salts. A. Cabano and C. Sandorfy, University of Montreal. Infrared Spectra of Some Pyridinium Salts. D . Cook, The Dow Chemical Co. Applications of Infrared Spectroscopy to Cellulose Fine Structure Research. F. G. Hurtubise and H . Krassig, Indus trial Cellulose Research, Ltd.
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T h e 4 t h annual Symposium on A d vances in Tracer Methodology will b e held on Oct. 21 a t t h e Conrad Hilton Hotel in Chicago. D r . M a r t i n K a m e n , Brandeis University, will b e chairman
