Ivan Sorvall, Inc

Flame Photometry. Bert Vallee, Harvard Medical School. Paul Gilbert, Beckman Instrument Co. ... Auto- matic Acceleration, Dynamic Brak- ing, and exclu...
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NEWS posiuin on spectroscopy. T h e A S T M meeting will be held October 11 to 16 a t t h e Sheraton-Palace, S a n Francisco. T h e r e will be 53 technical sessions, in­ d u s t r y luncheons, an exhibit of instru­ m e n t s a n d a p p a r a t u s , plant tours, a n d a ladies' p r o g r a m . Among t h e symposia a r e ones on n u ­ clear problems, applie'd radiation, a n d radio-isotope test methods. Advance copies of t h e p r o g r a m a r e available from A S T M , 1916 Ε ace St., Philadel­ phia 3, P a . Papers scheduled for t h e 3-day sym­ posium on spectroscopy a r e set forth below.

Monday, October 12, 9 A . M . /. Mainly Optical Emission Introductory Remarks. R. E . Hess. ASTM. Challenges in Atomic Spectroscopy. J. R. McNally, Jr., Oak Ridge National Laboratory. Problems in the Analyses of Uranium and the Transuranic Elements. John Conway, University of California. Discussion of Activities of ASTM Committee E-2. David Fry, General Mo­ tors Corp.

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//. X-Ray and Spectroscopy J. W. Kemp, Applied Research Lab­ oratory. Isidore Adler, U. S. Geological Survey.

Tuesday, October 13, 9 A . M . ///. Flame Photometry Bert Vallée, Harvard Medical School. Paul Gilbert, Beckman Instrument Co.

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automatically-controlled, refrigerated centrifuges

• AUTOMATIC CONTROLS • SUPERSPEEDS · RCF IN EXCESS OF 35,000χ G • CONTINUOUS FLOW • MODERN, FUNCTIONAL DESIGN N o fewer t h a n five different rotors m a y b e used in t h e new S E R V A L L R C - 2 : Superspeed, Large Capacity, M u l t i - T u b e Superspeed, Horizontal, Virus & Particle Counting (with others under development). GyroAction Direct D r i v e : the. only significant self-centering develop­ m e n t in a decade ; provides smoother operation t h a n a n y other drive sys­ tem. Continuous Flow System per­ mits gallon quantities of material t o be separated directly in tubes. A u t o ­ matic Acceleration, D y n a m i c B r a k ­ ing, a n d exclusive D u a l A u t o m a t i c T e m p e r a t u r e Control for accurately maintaining material t e m p e r a t u r e within ± 1 ° C a t all times.

Selected Topic in High Resolution Nuclear Magnetic Resonance ( N M R ) Spectroscopy. J. N . Shoolery, Varian Associates. Selected Topic in Electron P a r a m a g netic Resonance ( E P R ) Spectroscopy. R. H. Sands, University of Michigan.

Wednesday, October 14 Bay Area Tour to three electronic companies.

Selected Topic in Infrared Spectroscopy. Kent Wilson, Tufts College. Some of the Problems Facing Chemical Infrared Specrtoscopy Today. W. J. Potts, Dow Chemical Co. Ten Years of Aid to Applied Spectroscopy by Committee E-13.

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Basic unit includes standard 8 χ 50 ml. superspeed rotor Write for more information about this, the Superspeed Automatic Refrigerated Centrifuge that researchers everywhere have been asking for: Bulletin AC-8RC-2.

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An independent company; not connected with any other centrifuge manufacturer. Circle No. 76 on Readers' Service Card

Established 1 9 3 4 .

VOL. 3 1 , N O . 8 , AUGUST 1 9 5 9

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