NEWS Sept. 12 to 14—Fourth Conference on Spectroscopy. Institvition of Electrical Engi neers, Savoy Place, London. Contact: The Institute of Petroleum, 61 New Cav endish St., London, W.I., England. Page 45 A, Dec. Sept. 20 to 23—Sixth International Symposium on Gas Chromatography. Catholic University, Rome, Italy. Sponsor: Gas Chromatography Group of the Institute of Petroleum. Contact: Dr. A. B. Littlewood, School of Chemistry, The University, Newcastle upon Tyne, 1, England. Page 68 A, Sept. Oct. 3 to 7—Conference on Trace Characterization, Chemical and Physical. Washing ton, D . C. Contact: Dr. W. W. Meinke, Analytical Chemistry Division, National Bureau of Standards, Washington, D. C. 20234.
M. G. M e l l o n Award Winner T h e N e w Y o r k Section of the So ciety for Applied Spectroscopy estab lished in 1952 an annual a w a r d for outstanding achievements in spectroscopy. T h e 1965 winner of this medal is M . G. Mellon of P u r d u e University. The medal was p r e sented to D r . Mellon on T h u r s d a y afternoon, N o v e m b e r 19, a t the E a s t e r n Analytical Symposium at t h e StatlerIlilton Hotel in N e w Y o r k C i t y .
A O A C Changes Its Name T h e Association of Official Agricul t u r a l Chemists, founded in 1884 b y H a r v e y W . Wiley and a n u m b e r of s t a t e chemists, lias voted to change its name to Association of Official Ana lytical Chemists. T h e organization was founded for t h e purpose of de veloping, testing, standardizing, and validating methods of analysis required in the enforcement of laws dealing with agricultural commodities. The first methods published by t h e Association doalt with fertilizers b u t the work has expanded into other areas such as ani mal feeds and dairy products, and finally to all foods and drugs. As additional laws were passed by Con gress and t h e states, t h e Association's programs have covered pesticides, cos metics, food additives, etc. Recent p r o g r a m s a r e in t h e microbiological areas and methods required for the control of air and water pollution.
Gas Chromatography Course T h e Chicago Gas C h r o m a t o g r a p h y Discussion G r o u p will hold its fourth annual i n t r o d u c t o r y course in gas chro m a t o g r a p h y a t Roosevelt University, Chicago, 111., F e b r u a r y 1 t o 4, 1966. T h e four-day course is intended to give the s t u d e n t sufficient theoretical a n d practical background to perform inde pendent work in gas c h r o m a t o g r a p h y . This course is unique in t h e emphasis placed on practical l a b o r a t o r y train
ing. D u r i n g t h e four-day session, each student will spend a total of 16 hours of intensive laboratory work in the areas of column p r e p a r a t i o n , qualita tive analysis, q u a n t i t a t i v e analysis, and studies on column efficiency plus proper column selection. T h e fee for t h e course will be $50.00. Registration will be limited to 60 stu dents. Applications of registration along with checks or money orders, m a d e out to t h e Chicago G a s C h r o m a t o g r a p h y Discussion G r o u p , should be mailed to D r . J a y Curtice, Chemistry D e p a r t m e n t , Roosevelt University, 430 South Michigan Avenue, Chicago, 111., 60605 before J a n u a r y 15, 1966.
Course in Electronics for Scientists A concentrated three-week labora tory course, Electronics for Scientists, will be given a t t h e University of Illi nois, J u n e 25 to J u l y 16. This course is designed to provide scientists with a working ability in practical elec tronics a n d a solid foundation in princi ples as related to scientific i n s t r u m e n t a tion. T h e course includes lectures, dis cussions, and individual s t u d y with equipment designed by H . V. M a l m s t a d t , originator of this course. T h e National Science Foundation will pro vide funds for 42 persons from educa tional fields; 30 persons from industry will pay their own expenses. Deadline for application is F e b . 1. W r i t e to D r . H . V. M a l m s t a d t , D e p t . of Chemistry and Chemical Engineering, Universitv of Illinois, U r b a n a , 111. 61803.
Workshop on Measurements of the Appearance of Materials H u n t c r l a b is planning t o hold its next five-day lecture a n d l a b o r a t o r y workshop t h e week of J a n u a r y 10. This will include discussions on measure ments of t h e a p p e a r a n c e properties of materials and will cover such topics as : a t t r i b u t e s of t h e visual a p p e a r a n c e of m a t e r i a l ; i n s t r u m e n t t y p e s and appli cations of each; techniques of light and color m e a s u r e m e n t ; basis for colorime t r y ; m e a s u r e m e n t scales; a n d instru m e n t design. F o r more information write H u n t e r Associates L a b o r a t o r y , Inc., 9529 Lee H i g h w a y , Fairfax, Va. Circle No. 2 on Readers' Service Card
Summatic integrator T h e S u m m a t i c I n t e g r a t o r is a n e w tool to a u t o m a t i c a l l y c o m pute and present on printed t a p e , in d i g i t a l f o r m , p e a k areas w h i c h a r e a f u n c t i o n of m a s s , c o n c e n t r a t i o n or s t r u c t u r e .
The Summatic Integrator i n c o r p o rates small peak accuracy, wide dynamic range and low cost. These three desirable requirements have not been available in competitively priced integrators until now. Nester/ Faust's Summatic assures you of the following • I A u t o m a t i c count of each peak at a rate which gives approximately the same high statistical relia bility—regardless of peak height up to a maximum signal of one volt. II Proven and reliable voltage to frequency conversion technique to convert the input signal to a number of pulses that is pro portional to the area. This t e c h nique in c o n j u n c t i o n with a novel Auto-Ranging* device gives good statistics on small peaks (~_3% on 100μν p e a k s of 3 seconds duration) and a dynam ic range of 0 to 1 volt DC auto matically. Precision on larger peaks is about .i 0.7% for 20 mv peaks 10 seconds long. Ill Low cost since the S u m m a t i c ' s Auto-Ranger allows the use of a narrow range 0 to 1 mv stabilized amplifier, a narrow range 0 to 100 cps voltage to frequency c o n verter, and a fast mechanical counter-printer that does not re quire provision for memory. The A u t o - R a n g i n g circuit attenuates the input signal by a factor of ten at 3 decades of signal amplitude (Ί , 10 and 100 mvj and directs the output from the converter to the next higher counting wheel in the counter-printer. A recorder output with attenuator is supplied. It operates t h r o u g h the Auto-Ranger so that the pen of a 1 mv recorder will remain on scale with signals into the Summatic up to 1 volt DC. Electronic construction is all solid state for long life and reliability. T h e cost of the Summatic Integrator is under $2000. Write for full technical literature. Nester/Faust Instru ments Products D i v i s i o n , 2401 Ogletown Rd., Newark, Delaware. * Patents pending.
N E S T E R FAUST
