Volume 9 I. No. 1080, Pages I43 - 222 March, 1966THE ANALYSTTHE JOURNAL OF THE SOCIETY FOR ANALYTICAL CHEMISTRYCONTENTSREVIEWThe Analysis for Residues of Chlorinated Insecticides and Acaricides-K. 1. . . . . . . . . . . . . . . . . . . Beynon and K. E. ElgarPAPERSSpectrophotometric Determination of Small Amounts of Antimony i n Lead-J. Bassett and J. C. H. Jones . . . . . . . . . . . . . . . .The Use of Lithium-drifted Germanium Diodes for the y-SpectrometricDetermination of Radioactive Fission-product Nuclides-M. F. Banham, A. J.Fudge and J. H. Howes . . . . . . . . . . . . . . . . . .Determination of Catechol in Cigarette Smoke-J. D. Mold, M. P. Peyton, R. E.Means and T. B. Walker . . . . . . . . . . . . . . . . . .Determination of Zinc i n Trace-element Superphosphate by A.C.Polarography-G. Curthoys and J. R. Simpson . . . . . . . . . . . . . . . .Simultaneous Determination of Iodine and Bromine in Urine by Neutron-activation Analysis-E. P. Belkas and A. G. Souliotis . . . . . . . .SHORT PAPERSMicro Determination of Inorganic Phosphorus in Plasma-B. B. Bauminger andG. Walters . . . . . . . . . . . . . . . . . . . . . .An Improved Iodine Determination Flask for Whole-bottle Titrations-E. J.Green and D. E. Carritt . . . . . . . . . . . . . . . . . .An Automatic, Determination of Thoria i n Thoria - Urania Mixtures-W. A.Stuart . . . . . . . . . . . . . . . . . . . . . . . .A Rapid Method for Determining the Moisture Content of Gelatin and AnimalGlue-R. T. Jones . . . . . . . . .. . . . . . . . . . .A Method for Determining Copper Compounds Present on Leaf Surfaces-R. B. Sharp . . . . . . . . . . . . . . . . . . . . . .REPORT BY THE ANALYTICAL METHODS COMMITTEESpectral Characteristics of Eugenol-Essential Oils Sub-committee . . . . . .COMMU NlCATlONThe Determination of Fluorine by Neutron Activation--]. M. Bakes and P. G. JefferyBook Reviews . . . . . . . . . . . . . . . . . . . . . . . .Errata . . . . . . . . . .PageI43I76I80I89I95I99205207208210212214216217222Summaries of Papers in this Issue. .. . . . . . . . . iv, vi, viiiPrinted and Published for the Society for Analytical Chemistry by W. Heffer & Sons Ltd.. Cambridge, England.Enquiries Communications to be addressed to t h e Editor, J. B. Attrill. 14 Belgrave Square, London, S.W.I.about advertisements should be addressed t o Walter Judd Ltd., 47 Gresham Street, London, E.C.2.Entered as Second Class at New York. U.S.A.. Post Office