CONFERENCE P R O G R A M
Direct Measurement of Difference in Refractive Index
10:15
EXPOSITION RECESS.
10:30
(137) Use of Infrared at Inclined Incidence in the Study of Oriented Films of Crystalline Polysaccharides. C. Y. LIANG, American Viscose Corp. (138) Infrared Study of Some Organo-Phosphorus Extradants. C. A. HOBTON and J. C. White, Oak Ridge National Laboratory. (139) Infrared Study of Some Phosphine Oxide Adducts. C. A. HOBTON and J. C. White, Oak Ridge National Laboratory. (140) Infrared Study of the Systems Tri-n-butyl phosphate—HN0 3 and Bis(2-ethylhexyl)—Phosphoric Acid —HNOa. D . F . Peppard and J. R. FEBBOBA, Argonne National Laboratory.
10:50 11:15 11:40
SYMPOSIUM O N MOLECULAR FLUORESCENCE, THEORY A N D INSTRUMENTATION
The New Brice-Phoenix Differential
(Organized by ASTM Committee E-13)
Refractometer uses a split cell to
Friday Morning—Terrace Room
measure the difference in refractive
Robert Hirt, Presiding
index between a dilute solution and 8:30
its solvent. Limiting sensitivity 3X10
*.
8:50
P H O E N I X PRECISION INSTRUMENT C O . 3 8 0 5 N . 5 t h St.
9:10
Phila. 4 0 , Pa.
Circle No. 179 on Readers' Service Card
9:30
QUALITY CONTROL Testing Machines for
10:10
E X P O S I T I O N RECESS.
10:30
(146) Fluorescence Dimer.
• RESEARCH •
9:50
10:45
DEVELOPMENT
•
(141) Fluorimetry and Phosphorimetry at Low Temperatures—Analyses of Some Biologically Significant Substances. S. FREED, Rrookhaven National Laboratory. (142) Apparatus for Measurements of Fluorescence Spectra of Crystals. F . R. LIPSETT, National Research Council. (143) Influence of Rayleigh, Raman, and Instrumental Scatter on Emission Spectra of Molecules in Solution. Observations with Two Ebert Monochromators. J. M. PRICE and M. Kaihara, University of Wisconsin Medical School, and H. K. Howerton, American Instrument Co., Inc. (144) Versatile Micro Spectrophotofluorimeter Accessory. T. J. PORBO, E. S. Gillette, and W. Slavin, The Perkin-Elmer Corp. (145) Three New Recording Spectrofluorometer Designs and Their Comparison to a Commercially Available Instrument. J. W. GOLDZIEHER and M. L. Givner, Southwest Foundation for Research and Education.
11:05
QUALITY CONTROL
Properties
of
the
Chlorophyll
S. S. BRODY
( 147 ) Study of Reversible Changes in Chlorophyll by the Method of Fluorescence Spectroscopy. S. STENSBY and J. L. Rosenberg, University of Pittsburgh. (148) Luminescence of Hydroxy Nitrogen Heterocyclics. J. P. PABIS and W. W. Brandt, Purdue University.
EMISSION SPECTROSCOPY—TRACE
ANALYSES
Friday Afternoon—Ball Room • Manufacturers
Charles Matocha, Presiding
• Distributors • Custom Designing • Repair • Calibration
1 0 7 9 Testing Machines available from TMI. Ask for our N e w 2 2 4 Page C a t a l o g a n d Regi s t e r of T e s t i n g M a chines.
1:30
1:50 2:10 2:45
TESTING
MACHINES,
INC.
72 Jericho Turnpike, Mineola, New York, U.S.A. ' O u r Forfy-second Veor" Circle No. 82 on Readers' Service Card 68 A
·
ANALYTICAL CHEMISTRY
3:05
(149) Observations on the Emission Spectrometric Determinations of the Total Oxygen Content of Metallic Halides. V. A. FASSEL, W. A. Gordon, and Rodney Skogerboe, Iowa State University. (150) Spectrographic Analysis of High Purity Materials : I. Nickel. R. L. R U P P , G. L. Klecak, and G. H. Morrison, Sylvania Research Laboratories. (151) Spectrographic Analysis of High Purity Materials : II. Silicon Carbide. G. H. MOBBISON, R. L. Rupp, and G. L. Klecak, Sylvania Research Laboratories. ( 152) Air Monitor for Beryllium. R. E. KUPET,, General Electric Co. J. T. Rozsa, O. W. Uguccini, and L. E. Zeeb, National Spectrographic Laboratories. (153) Spectrographic Determination of Trace Metals in Surface Waters. E. C. TABOR and T. H. Halloran, Robert A. Taft Sanitary Engineering Center.
