NEWS
S&U01
A HOMOGENIZER SHOULD B E !
Symposium on Develop ments in Research Methods
THE
THE VIRTIS
N E W
"'
Inquiries may be addressed to Ben jamin M. Siegel, Department of Engi neering Physics, Rockefeller Hall, Cor nell Universit\7, Ithaca, Ν . Υ.
L O W COST
A Symposium on Recent Develop ments in Research Methods and Instru mentation will be held a t the Xational Institutes of Health, Bethesda, Md., May 14 to 16, under the sponsorship of the Washington sections of the AMERI CAN CHEMICAL SOCIETY, Instrument Society of America, Society of American Bacteriologists, American Association of Clinical Chemists, and Society for Experimental Biology and Medicine. The sixth annual Research Equipment Exhibit will be held at the same time.
VIRTIS
(45.000 R.P.M.) (23,000 R.P.M.
Gordon Conferences, June 11—August 11 Both the VirTis "45" and the new LOW COST VirTis "23" possess many exclusive features which make them by far the most expedient tools yet developed for laboratory homogenization. • • • • • • • •
•*>-·..
ANALYST'S
U n p r e c e d e n t e d speed A s l i t t l e as 15 s e c o n d h o m o g e n i z i n g t i m e I d e a l f o r electron m i c r o s c o p e p r e p a r a t i o n s , etc. Safe, a e r o s o l - f r e e a s s e m b l y o f Teflon Superior t o p d r i v e d e s i g n Quick changeover f r o m micro t o macro w o r k Rugged, durable construction M a n y h a n d y , versatile attachments
VirTis "45" gives from 100 to 45,000 R.P.M. and can readily be equipped to handle volumes from 0.2 to 450 ml. E63-185-45 VirTis "45" complete as illustrated with cooling cup, 500 ml macro flask and aerosol-free assembly $209.00
Low Cost VirTis "23" gives speeds from 100 to 23,000 R.P.M. and can rapidly be equipped to handle volumes from 0.2 to 200 ml. E63-185-23 VirTis "23" complete as illustrated with cooling cup, 250 ml macro flask and aerosol-free assembly $130.00 E63-186-23 As above with 0.5 micro flask . . . . $130.00
Write For Detailed Information
AERO-SEAL CHEMIXER homogenizing · blending emulsifying · chemical reactions •
Speeds from TOO to 10,000 R.P.M.
•
Volumes 4 Lifers
•
Containers Efficiency
•
Superior
Top Drive
•
Rugged
Construction
from
100 ml. to O v e r
Fluted
For details write
TELEPHONES
NEW roe* LExing.on 2-1311 NEW JERSEY ELiiaberh 4 - 1 3 3 0
Added
Design
for Bulletin CM
DELIVERIES FROM
MACHLETT
for
STOCK
Ε. M A C H L E T T & S O N COMPLETE
SERVICE
FOR THE
LABORATORY
EMSON CABLE EMSONGIAS
APPARATUS · INSTRUMENTS · CHEMICALS · GLASS BLOV/ING
220 EAST 23rd STREET
NEW YORK 10, Ν. Υ.
TELETYPE Ν. Υ. 1-3444
For further information, circle numbers 26 A-1, 26 A-2 on Readers' Service Card, page 69 A
26 A
Several new subjects will be featured among the 36 conferences scheduled for the annual Gordon Research ConferCALENDAR
Symposium on Recent Developments in Research Methods and Instrumenta tion. Sixth A n n u a l Research E q u i p m e n t E x h i b i t . N a t i o n a l I n s t i t u t e s of H e a l t h , Bethesda, M d . , M a y 14 t o 16. Sixth Annual Research Equipment Ex hibit and Symposium on Recent D e velopments in Research Methods and Instrumentation. N a t i o n a l I n s t i t u t e s of H e a l t h , Bethesda, M d . , M a y 14 to 17. Sixth International Colloquium on Spec troscopy. R o y a l N e t h e r l a n d s Chemi cal Association a n d D u t c h N a t u r a l Sciences Society. A m s t e r d a m , M a y 14 t o 19. Symposium on Molecular Structure and Spectroscopy and Joint Commission on Spectroscopy. Ohio S t a t e University, Columbus, Ohio, J u n e 11 t o 15. Ninth Annual Summer Symposium on Analytical Chemistry. Division of Ana lytical Chemistry, A C S , a n d Analyti cal Chemistry. U n i v e r s i t y of Cali fornia, Los Angeles, Calif., J u n e 14 t o 16. Sixth Annual Infrared Spectroscopy In stitute. Nashville, Tenn., August 29 t o September 2. Tenth Annual Instrument-Automation Conference and Exhibit. I n s t r u m e n t Society of America. L o s Angeles, Calif., September 10 t o 12. Fifteenth International Congress of Pure and Applied Chemistry. Analytical Chemistry. I n t e r n a t i o n a l Union of P u r e a n d Applied C h e m i s t r y , Lisbon, P o r t u g a l , S e p t e m b e r 9 t o 16. American Chemical Society. 130th Meeting, Atlantic City, N . J., Septem ber 16 t o 2 1 . American Society for Testing Materials. Annual meeting, Atlantic City, N . J., J u n e 17 t o 22, including 12th E x h i b i t of Testing a n d Scientific A p p a r a t u s a n d L a b o r a t o r y Supplies. Second Pacific Coast national meeting, H o t e l Statler, Los Angeles, Calif., September 16 t o 22. ANALYTICAL
CHEMISTRY
