Spectrochlmlca Acta, 1064, Vol. 20,p.871.Per@nonPress
Ltd.
+inted
in Northern Ireland
,4NNOUNCEMENTS The Institute of Physics and The Physical Societs TEE Summer Meeting of the SpectroscopyGroup on “Limitations of detection in spectrochemical analysis” will be held at the University of Exeter, England, on 2-3 July, 1964. Main subjects and speakers are as follows: Mr. F. W. J. GARTON and Mr. R. J. WEBB (Atomic Energy Research Establishment)
Introduction and principles Emission spectroscopy (8) Instrumental factors
.
(c) Non-metallic samples e.g. and plant residues
Dr. A. C. MENZIES (Hilger & Watts Ltd.) Mr. W. RAMSDEN(Research Labs., Harpenden)
(b) Metallurgical samples
silicates Drs. R. L. MITCHELLand R. 0. SCOT (Macaulay Institute for Soil Research)
X-ray fluorescence
Mr. R. JENKINS (Research & Control Instruments)
Atomic absorption
Mr. J. A. F. GIDLEY(Imperial Met81 Industries (Kynoch) Ltd.)
Mass spectroscopy
Mr. R. A. SAUNDERS(I.C.I., Dyestuffs Division).
Comparison of emission, X-ray and mass spectroscopy
Dr. N. W. H. ADDINK (N. V. Phillips, Eindhoven)
Short contributions of about 20 minutes presentation time ere invited 8nd any offers accompanied by ctbstracts(three copies) of not more than 300 words should be sent to Papers Secretary, Mr. J. A. F. GIFLEY, P.O. Box 216, Imperial Met81 Industries (Kynoch) Ltd., Kynoch Works, Witton, Birmingh8m 6, U.K., to arrive not later than 31st March, 1964. Advance registrationis necessary. Full details and a.pplicationforms can be obtained from the Group Secretsry, Dr. L. BOVEY, Building 329, A.E.R.E., Harwell, Nr. Didcot, Berks, U.K.
IUPAC Idanational
Symposium
on Organic Photochemistry
AN International Symposium on Organic Photochemistry, sponsored by IUPAC will be held in Stresbourg, France, from 16-24 July, 1964. The number of perticip8nts will be limited but junior chemists are encoureged to 8pply. Although lectures will be by invitation only, it may be possible to provide some financial assistance for other participants. Applications should be sent to the Scientific Director, Dr. G. S. I%MMOND, G8tes and Crellin L8boratoriea of Chemistry, Celifornia Institute of Technology, Pasadena, California, U.S.A., before March 15, 1964. 571