CONTENTS OF VOLUME 48 Number 1 Radiochemistry and Radionuclide Applications G. J. Ehrhardt, M. E. Blumer, F. M. Su, 1 Experience with aluminum perrhenate targets for reactor J. L. Vanderheyden and A. R. Fritzberg production of high specific activity Re-186 N. D. Kerness, T. Z. Hossain 5 Impurity study of alumina and aluminum nitride ceramics: and S. C. McGuire microelectronics packaging applications Malay Kanti Das, S. Chattopadhayay, A cation exchange method for separation of '''In from inactive B. R. Sarkar and N. Ramamoorthy silver, copper, traces of iron and radioactive gallium and zinc isotopes Susanta Lahiri, Shobhandev Banerjee Simultaneous production of carrier-free Zn and °°8Ga in and N. R. Das a-particle activated copper target and their separation with TOA Frank Rosch, Sayed M. Qaim, Production of positron-emitting ''™In via the ''Cd@He, 3n) Alexander Fedorovitch Novgorodov Sn — '!°™ nyp rocess and Ying-Ming Tsai V. K. Sood, K. S. Lee, S. F. Boulay, In vivo autoradiography of radioiodinated (R)-3-quinuclidinyl M. R. Rayeq, R. C. McRee, E. I. Cohen, (S)-4-iodobenzilate [(R,S)-IQNB] and (R)-3-quinuclidinyl (R)-4- B. R. Zeeberg, X. S. He, D. R. Weinberger, iodobenzilate [(R,R)-IQNB]. Comparison of the radiolabelled K. Rice and R. C. Reba products of a novel tributylstannyl precursor with those of the established triazene and exchange methods G. Blessing, F. Tarkanyi 37 Production of **"Rb via the **Kr(p,n)-process on highly enriched and S. M. Qaim *°Kr: a remotely controlled compact system for irradiation, safe handling and recovery of the target gas and isolation of the radioactive product Radiation Sources and Applications Tomislav Tustonic, Milica Kr¢émar, 45 Photoactivation of isomeric level in MStn Ante Ljubicic and Matija Bistrovic Synthesis of Labelled Compounds S. Zijlstra, P. Gerken, C. Rechin, 51 Validation of the Limulus Amebocyte Lysate (LAL) test for R. Wortmann and G. Notohamiprodjo routine PET radiopharmaceuticals Radioactivity and Radiation Measurements Robert J. Nickles, Andre A. Kulago, 55 A rather intense source of fast neutrons for small scale activation Michael J. Schueller and Charles K. Stone O. Sima and C. Dovlete 59 Matrix effects in the activity measurement of environmental samples—implementation of specific corrections in a gamma-ray spectrometry analysis program Nagy H. Aziz, M. Z. El-Fouly, Effect of gamma radiation on the survival of fungal and actino- M. R. Abu-Shady and L. A. A. Moussa mycetal florae contaminating medicinal plants C. Haldar, G. S. Mahapatra, P. Banerji, Effect of solute mass and solvent pH on lyoluminescent saccharides D. Banerjee and R. Bhattacharya used for gamma-ray dosimetry Tien-Ko Wang, Wei-Yang Mar, HPGe detector efficiency calibration for extended cylinder and Tzung-Hua Ying, Chia-Lian Tseng, Marineili-beaker sources using the ESOLAN program Chi-Hung Liao and Mei-Ya Wang Vivek Singh and A. N. Garg Availability of essential trace elements in Ayurvedic Indian medicinal herbs using instrumental neutron activation analysis IV Contents of Volume 48 I. I. Funtua, Y. Idris, A. O. Oyewale, 103. Determination of tin in cassiterite ores and tailings by 7*'Am I. M. Umar and S. B. Elegba source X-ray fluorescence spectrometry Kwan-Hoong Ng, Seng-Huat Ong, 105 Discriminant analysis of normal and malignant breast tissue based D. A. Bradley and Lai-Meng Looi upon INAA investigation of elemental concentration M. A. Misdaq, H. Moustaaidine, C. Satif 111 A new method for evaluating the influence of building materials on and R. Charik radon emanation in Marrakechi dwellings Marlon L. Walker, William L. McLaughlin, 117 Radiation-field mapping of insect irradiation canisters James M. Puhl and Patrick Gomes L. Loska and J. Janezyszyn A method of searching for peaks and multiplets in y-ray spectra Technical Note U. A. Fill and D. F. Regulla Measurements with Chinese LiF:Mg,Cu,P (GR 200) TL detectors using a volume-type oven Nuclear Geophysics M. Aissa and Y. M. Jubeli 135 Carborne gamma-ray spectrometric survey of an area east of Homs, central Syria Syed Moosa Hasany and 143 Sorption of europium by Haro river sand in aqueous solution Syed Javaid Khurshid M. A. Shenber 147 Measurement of natural radioactivity levels in soil in Tripoli A. M. Hassan, M. Abdel-Wahab, A. Nada, 149 Determination of uranium and thorium in Egyptian monazite by N. Walley El-Dine and A. Khazbak gamma-ray spectrometry Number 2 Radiochemistry and Radionuclide Applications Peter Larsen, Johan Ulin, Kent Dahlstrom and 153 Synthesis of [''C]iodomethane by iodination of {''C]methane Mikael Jensen L. Rodriguez Barquero and J. M. Los Arcos 159 Temperature effect in DIN- and pseudocumene-based liquid scintillation cocktails quenched with CCl, and CH;NO; Lixin Lang and Wiliam C. Eckelman 169 Labeling proteins at high specific activity using N-succinimidyl 4-['SF](fluoromethyl) benzoate Agustin N. M. Bagyo, Hidehiko Arai 175 Radiation-induced decoloration and sedimentation of colloidal and Teijiro Miyata disperse dyes in water N. C. O’Boyle, G. P. Nicholson, T. J. Piper, 183 A review of plutonium(IV) selective ligands D. M. Taylor, D. R. Williams and G. Williams M. Yuasa, H. Yoshida and T. Hara Computer-controlled synthesis of ['SF]FDG by the tetrabutyl- ammonium method: achievement of high yield, purity, reproduci- bility, reliability, and safety Baozhong Li, Jiayan Yu and Lihua Zhang Radiation-induced crystallization of polyamide-1010 containing heterogeneous nuclei Technical Note S. Chattopadhyay, M. K. Das, B. R. Sarkar and Simple procedure for the preparation of iron-free °’Ga from an N. Ramamoorthy irradiated copper target—use of ascorbic acid Radiation Sources and Applications V. Benzi and D. Mostacci 213 Neutrons from (a, n) reactions in uranium hexafluoride Radioactivity and Radiation Measurements R. D. Luggar, J. A. Horrocks, R. D. Speller and 215 Low angle X-ray scatter for explosives detection: a geometry R. J. Lacey optimization Contents of Volume 48 Vv L. Godfroy, F. Larachi, G. Kennedy, 225 On-line flow visualization in multiphase reactors using neural B. Grandjean and J. Chaouki networks Jan A. Czubek'# 237 A new idea of pulsed neutron experiments with bulk materials F. Abdel-Rehim, A. A. Basfar, H. A. Al-Kahtani 241 The use of electron spin resonance spectroscopy for the detection of and H. M. Abu-Tarboush irradiated mackerel P. L. Reeder, D. C. Stromswold, 247 Moisture measurement for radioactive wastes using neutron R. L. Brodzinski, J. H. Reeves activation of copper and W. E. Wilson C. J. Evans, G. C. Peté, S. Al-Lehyani and The use of associated particle timing based on the D+D reaction J. B. Darko for elemental analysis of bulk samples such as the human body B. Scholten, S. Takacs, Z. Kovacs, F. Tarkanyi Excitation functions of deuteron induced reactions on '**Te: and S. M. Qaim relevance to the production of '1 and '*4I at low and medium sized cyclotrons Nuclear Geophysics R. B. Galloway 273 Beta particle counting of sediments from Lac du Bouchet and Meerfelder Maar S. Bellia, M. Brai, S. Hauser, P. Puccio 287 Natural radioactivity in a volcanic island: Ustica, Southern Italy and S. Rizzo Mehmet N. Kumru 295 Possible uranium rich areas in the Aegean region of Turkey Technical Note Chih-Jung Wang, Shu-Ying Lai, 301 Transfer of radionuclides from soil to grass in northern Taiwan Jeng-Jong Wang and Yu-Ming Lin Number 3 Radiochemistry and Radionuclide Applications P. O. Zamora, M. J. Marek and 305 Preparation of '**Re-RC-160 somatostatin analog: a peptide for F. F. (Russ) Knapp Jr local/regional radiotherapy H. Y. Ding, S. J. Yeh, C. C. Yang, J. T. Hsu 311 Study of decomposition kinetics of Tc-99-d,|-HMPAO complex and C. C. Tzeng in aqueous solution F.-O. Denzler, N. A. Lebedev, 319 Production and radiochemical separation of '*’Gd A. F. Novgorodov, F. Résch and S. M. Qaim Martalena Ramli and H. L. Sharma 327 Radiochemical separation of '°'"Rh via '°'Pd from a rhodium target M. C. Cantone, D. de Bartolo, A. Giussani, A methodology for biokinetic studies using stable isotopes: results A. Ottolenghi, L. Pirola, Ch. Hansen, P. Roth of repeated molybdenum investigations on a healthy volunteer and E. Werner Radiation Sources and Applications R. Pugliesi and M. L. G. Andrade 339 Study of cracking in concrete by neutron radiography Synthesis of Labelled Compounds P. S. Plascjak, K. Kim, W. Meyer Jr, J. Divel, 345 An automated radiopharmaceutical dispenser M. Der and W. C. Eckelman Radioactivity and Radiation Measurements Jean-Louis Genicot and Jean-Pierre Alzetta 349 New technique using room temperature diodes for the direct assessment of internal contamination by low energy gamma-ray emitters G. H. Malimath, G. C. Chikkur, Role of internal mechanisms in energy transfer processes in organic H. Pal and T. Mukherjee liquid scintillators VI Contents of Volume 48 B. E. Zimmerman and R. Colle 365 Cocktail volume effects in 47f liquid scintillation spectrometry with *H-standard efficiency tracing for low-energy f-emitting radionuclides Supian Bin Samat and S. Green A comparison of measurement sensitivity of two different gamma- ray analysis‘ systems for '3*7’ Cs and “°K J. C. Lozano, F. Fernandez and J. M. G. Gomez Preparation of alpha-spectrometric sources by coprecipitation with Fe(OH): application to actinides M. M. Roy, C. L. Gordon, L. F. Beaumont, Further experience with bone lead content measurements in D. R. Chettle and C. E. Webber residents of Southern Ontario M. A. Cetiner, H. Demirel, A. Demirbas, Automation of a pneumatic system by controlling a micro- H. Yiicel and I. Celenk computer equipped with a custom add on board for neutron activation analysis Emin N. Ozmutlu and Asuman Aydin 403 Monte Carlo calculations of medium energy positrons in metals Nuclear Geophysics Ahmad Termizi Ramli 407 Environmental terrestrial gamma radiation dose and its relation- ship with soil type and underlying geological formations in Pontian district, Malaysia Arnaldo Roque and Fernando Brenha Ribeiro Radioactivity and radiogenic heat production in the sediments of the Sado Francisco sedimentary basin, central Brazil Ryuta Hataya, Kazuhiro Tanaka and A new ESR signal (R signal) in quartz grains taken from fault Toshikatsu Miki gouges: its properties and significance for ESR fault dating Book Reviews Number 4 Radiochemistry and Radionuclide Applications Shuddhodan P. Mishra, Vinod K. Singh and 435 Radiotracer technique in adsorption study XVI: an efficient Diwakar Tiwari removal of cadmium ions by sodium titanate from aqueous solutions Radiation Sources and Applications S. Mirzadeh, F. F. Knapp Jr, C. W. Alexander 441 Evaluation of neutron inelastic scattering for radioisotope and L. F. Mausner production G. S. Randhawa and H. S. Virk 447 Thermal annealing of heavy ion latent tracks in soda and BP-1 phosphate glasses Bhaskar Mukherjee and Simon Parcell Transmission of neutron and gamma radiation fields along the maze of a cyclotron vault Synthesis of Labelled Compounds Goran Westerberg and Bengt Langstrém 459 On-line production of [''C]cyanogen bromide Barry R. Zeeberg, Sheila F. Boulay, 463 Correction of the stereochemical assignment of the benzilic Miriam S. Gitler, Virendar K. Sood acid center in (R)-(—)-3-quinuclidinyl (S)-( + )-4-iodobenzilate and Richard C. Reba [(R,S)-4-IQNB] P. I. Bates, H. L. Sharma, B. A. Murrer, The synthesis of '?'Pt labelled JM216, an orally active platinum C. F. J. Bernard and C. A. McAuliffe anti-tumour agent Ekaterina Dadachova, Saed Mirzadeh, Radiolabelling antibodies with holmium-166 Suzanne V. Smith, F. F. (Russ) Knapp Jr and Eric L. Hetherington R. Iwata, T. Ido, Z. Kovacs and I. Mahunka A convenient cryogenic trap with liquid nitrogen for the concentration of {''C]CO, Contents of Volume 48 Vil Frank Brady, Sajinder K. Luthra, Gavin Brown, 487 Carbon-11 labelling of the antitumour agent N-(2-(dimethyl- Safiye Osman, Robert J. A. Harte, amino)ethyljacridine-4-carboxamide (DACA) and determination William A. Denny, Bruce C. Baguley, of plasma metabolites in man Terry Jones and Patricia M. Price Radioactivity and Radiation Measurements L. Venturini and B. R. S. Pecequilo 493 Thermal neutron capture cross-section of “*Ti, *'V, %°?°3Cr and 58.60.625 .64,); H. Kudoh, M. Celina, R. J. Kaye, K. T. Gillen Response of alanine dosimeters at very high dose rate and R. L. Clough B. L. Andersen, G. Bidoglio, A. Leip and Isotope fractionation in methane reactions studied by gas D. Rembges chromatography and liquid scintillation Gabriele Wallner Simultaneous determination of *!°Pb and ?!*Pb progenies by liquid scintillation counting K. N. Yu, S. Y. Mao, E. C. M. Young and A study of radioactivities in six types of fish consumed in Hong M. J. Stokes Kong B. E. Zimmerman and R. Collé Comparison of the French and U.S. national 7H (tritiated HO) standards by 4zf liquid scintillation spectrometry M. A. Misdaq, A. Bakhchi, H. Moustaaidine, A new method for evaluating alpha dose rates in different building C. Satif and K. Fahde material samples using solid state nuclear track detectors G. Manjon, I. Vioque, H. Moreno, Determination of 7*°Ra and 7**Ra in drinking waters by liquid R. Garcia-Tenorio and M. Garcia-Leon scintillation counting Technical Note Yu. S. Tsyganov 541 A reasonable extension of the alpha—alpha correlation technique Nuclear Geophysics C. Roédenas, J. Gomez, L. S. Quindés, 545 ‘Be concentrations in air, rain water and soil in Cantabria (Spain) P. L. Fernandez and J. Soto Susanta Lahiri, Sukanta Dey, 549 Neutron activation analysis of noble and platinum group metals in Tapan \(umar Baidya, Maitreyee Nandy, the Proterozoic Dalma rocks of eastern India D. Basu and N. R. Das J. W. A. Kondoro and C. A. Kiwanga 555 Moessbauer study of natural pyrrhotites Number 5 Radiochemistry and Radionuclide Applications Vladimir Tolmachev, Hans Lundqvist and 565 Diffusion-based separation methods: dry distillation of zinc, Lars Einarsson cadmium and mercury isotopes from irradiated target M. Nakayama, L. C. Xu, Y. Koga, K. Harada, 571 Hydroxamamide as a chelating moiety for the preparation A. Sugii, H. Nakayama, S. Tomiguchi, of *™Tc-radiopharmaceuticals III. Characterization of various A. Kojima, Y. Ohyama, M. Takahashi and °™h ydroxamamides I. Okabayashi M. Nakashima and C. Sagawa Mossbauer study on reduction behavior of iron oxide supported on porous glass: hydrogen reduction and He” ion bombardment effect D. J. Hnatowich, F. Chang, K. Lei, T. Qu and The influence of temperature and alkaline pH on the labeling of M. Rusckowski free and conjugated MAG; with technetium-99m Syed Moosa Hasany, Ahsan M. Shamsi and Sorption of selenium at micromolar levels onto hydrous titanium M. A. Rauf oxide from aqueous solutions using radiotracer technique S. N. Kondratyev, I. Yu. Lobach, Yu. N. Lobach Production of residual nuclei by *He-induced reactions on 7’Al and and V. D. Sklyarenko nat Cu Vill Contents of Volume 48 Masakazu Tanase, Katsuyoshi Tatenuma, 607 A ”™Tc generator using a new inorganic polymer adsorbent for Koji Ishikawa, Kiyoyuki Kurosawa, (n, 7) °?Mo Mizuka Nishino and Yoshio Hasegawa Radiation Sources and Applications Carlos E. Gonzalez Lepera and 613 Production of ('SF]fuoride with a high-pressure disposable Barry Dembowski ['SO]water target Synthesis of Labelled Compounds P. K. Chakraborty, T. J. Mangner and 619 The synthesis of no-carrier-added [''C]urea from [''C]carbon H. T. Chugani dioxide and application to [''CJuracil synthesis Koji Ogawa, Motoji Sasaki and Tadashi Nozaki 623 Malonic ester and acetoacetic ester synthesis of 2-('':'4C]methyl- fatty acids Radioactivity and Radiation Measurements A. Johnston and P. Martin 631 Rapid analysis of 26Ra in waters by )-ray spectrometry Mer Siew = Chul Lee, James E. Martin and 639 Optimization of measurement of °°Ni in reactor waste samples Henry C. Griffin usi2 ng ©S sN i . as a tracer Stanislav M. Vatnitsky 643 Radiochromic film dosimetry for clinical proton beams M. Garcia-Leon and G. Manjon 653 Some comments on the presence of Chernobyl derived '*’Cs and Te in the stratosphere S. Takacs, M. Sonck, B. Scholten, A. Hermanne 657 Excitation functions of deuteron induced nuclear reactions on ™'Ti and F. Tarkanyi up to 20 MeV for monitoring deuteron beams Y. M. Jubeli, M. Aissa and R. Al-Hent Merging airborne and carborne radiometric data for surveying the Deir Az-Zor area, Syria Q. He and D. E. Walling The distribution of fallout '°’Cs and 7'!°Pb in undisturbed and cultivated soils Technical Note V. F. Kushniruk and Yu. S. Tsyganov A note on collected-charge fluctuations in silicon surface-barrier detectors at heavy ion registration Technical Note T. Sharshar, T. Elnimr, F. A. El-Husseiny Efficiency calibration of HPGe detectors for volume-source and A. El-Abd geometries Nuclear Geophysics E. Gomez, F. Garcias, M. Casas and V. Cerda 699 Determination of '*’Cs and *°Sr in calcareous soils: geographical distribution on the island of Majorca Jerzy W. Mietelski and Bogdan Was Americium, curium and rare earths radionuclides in forest litter samples from Poland Number 6 Radiochemistry and Radionuclide Applications - M. Borsaru, C. Ceravolo, G. Carson and 715 Low radioactivity portable coal face ash analyser T. Tchen Franz Baumgartner and Maria-Anna Kim 721 Hydrogen isotope partitioning during plant growth Rieko Hirunuma, Kazutoyo Endo, 727 The use of a multitracer technique for the studies of the uptake and Makoto Yanaga, Shuichi Enomoto, retention of trace elements in rats Shizuko Ambe, Akira Tanaka, Machiko Tozawa and Fumitoshi Ambe Contents of Volume 48 Radiation Sources and Applications Bhaskar Mukherjee 735 Decay characteristics of the induced radioactivity in the target cave of a medical cyclotron Synthesis of Labelled Compounds M. Holschbach, W. Hamkens, A. Steinbach, 739 ('°N]Cisplatin: a fast and efficient on-line synthesis using a solid K. Hamacher and G. Stécklin state support Paul A. Culbert, Jianming Lu and 745 Regiospecific synthesis of 15-(4-[{'*I]iodophenyl)pentadecanoic Michael J. Adam acid-IPPA via methyl 15-(4-trimethylstannylphenyl)pentadecano- ate M. Matarrese, D. Soloviev, S. Todde, F. Magni, Synthesis of [O-methyl-''C]fluvoxamine—a potential serotonin D. Colombo, M. Galli Kienle and F. Fazio uptake site radioligand M. Ponchant, F. Hinnen, S. Demphel and [''C]copper(I) cyanide: a new radioactive precursor for ''C- C. Crouzel cyanation and functionalization of haloarenes Kazuyosi Yajima, Hidefumi Kawashima, Synthesis of [I-''CJoctanoic acid, [''C]raclopride and Ying-She Cui, Naoto Hashimoto and [''C]nicergoline with a general-purpose automated synthesis Yoshihiro Miyake apparatus of ''C-labeled radiopharmaceuticals ; ; - 99 Beas oe ee Lisa R. Karam, Michael G. Mitch and Encapsulation of “™Tc within fullerenes: a novel radionuclidic Bert M. Coursey carrier Turan Unak, Perihan Unak, Binnur Ongun Synthesis and iodine-125 labelling of glucuronide compounds for and Yusuf Duman combined chemo- and radiotherapy of cancer Radioactivity and Radiation Measurements B. Roy, B. K. Chatterjee, S. C. Roy, 785 Photoelectric cross-sections derived from measured total attenu- Nanak Bhattacharya and N. Choudhury ation coefficient of photons near absorption edges of heavier atoms D. V. Rao, R. Cesareo and G. E. Gigante Elastic scattering and the associated anomalous dispersion in the vicinity of Cd, In, Sn and Sb, K-absorption edges C. Necheva and D. Kolev Excitation functions of x-induced reactions on gold for x-particle energies between 11 and 36 MeV R. Colle Systematic effects of total cocktail mass (volume) and HO fraction on 4zf l< iquiA d scienwt illati‘ on spectrometry of a2“ H R.Colle Cocktail mismatch effects in 478 liquid scintillation spectrometry: implications based on the systematics of “H detection efficiency and quench indicating parameter variations with total cocktail mass (volume) and HO fraction Nuclear Geophysics Per John 843 Modelling a simple gamma-gamma density well logging tool Wojciech Ciezkowski and 855 Radon in waters from health resorts of the Sudety Mountains Tadeusz Andrzej Przylibski (SW Poland) M. Herranz, A. Abelairas and F. Legarda 857 Uranium contents and associated effective doses in drinking water from Biscay (Spain) K. N. Yu, E. C. M. Young, M. J. Stokes and 863 A survey of radon properties in underground shopping centers in C. H. Lo Hong Kong I. I. Funtua, A. Onojah, S. A. Jonah, 867 Radon emanation study of uranium ore samples from N.E. Nigeria B. W. Jimba and I. M. Umar Letter to the Editors M. T. Teli On “attenuation coefficients of 123 KeV j-radiation by dilute solutions of sodium chloride”. Answer to the comments by L. Gerward Contents of Volume 48 Number 7 Radiochemistry and Radionuclide Applications R. Bonetti, A. Guglielmetti and G. Poli 873 The ''B(a,p) reaction and its relevance in subsurface '4C production Shuddhodan P. Mishra, Diwakar Tiwari and 877 The uptake behaviour of rice (Jaya) husk in the removal of Zn(II) R. S. Dubey ions—a radiotracer study Radiation Sources and Applications Susanta Lahiri, Banani Mukhopadhyay and 883 Simultaneous production of *Zr and *°°'™9?2 "Nb in 2-particle N. R. Das activated yttrium and their subsequent separation by HDEHP C. J. Evans and S. B. Samat 887 Determination of the optimum counting time for finding the initial activity of a decaying source Pekka Viitanen 893 Experiences on fast Fourier transform as a deconvolution technique in determination of process equipment residence time distribution Synthesis of Labelled Compounds Thomas R. Sykes, Vijayalakshmi V. Somayaji, 899 Radiolabeling of monoclonal antibody B43.13 with rhenium-188 Stefan Bier, Thomas K. Woo, C. S. Kwok, for immunoradiotherapy V. Snieckus and Antoine A. Noujaim Joanna B. Downer, Timothy J. McCarthy, Reactivity of p-{'*F]fluorophenacyl bromide for radiolabeling of W. Barry Edwards, Carolyn J. Anderson proteins and peptides and Michael J. Welch Raymond J. Davenport, Victor W. Pike, Automated chemoenzymatic synthesis of no-carrier-added Keith Dowsett, David R. Turton and [carbonyl-''C}propiony! L-carnitine for pharmacokinetic studies Keith Poole Susanta Lahiri and Banani Mukhopadhyay Liquid—liquid extraction of carrier-free radioisotopes produced in a-particle activated molybdenum target by HDEHP and TBP F. Shah, V. W. Pike and K. Dowsett Preparation of no-carrier-added [1-''C]ethylene and [I-''C]1,2- dibromoethane as new labelling agents Sepp Seifert, Alexander Hoepping, Preparation and characterization of novel mixed-ligand oxo- Klaus Klostermann, Hartmut Spies and rhenium(V) and oxotechnetium(V) complexes bearing up to four Bernd Johannsen ester groups Radioactivity and Radiation Measurements N. Navarro, A. Grau Carles, A. Alvarez, 949 Standardization of 7“Th by Cerenkov counting S. Salvador and V. Gomez Shigeo Baba, Hideki Kimata and 953 B-Ray photography of lyophilized animal sections Takashi Matsuzawa K. N. Yu and J. M. Miao 959 Locating the origins of blue and white porcelains using EDXRF T. Kojima, S. Kashiwazaki and Y. Zhang 965 Alanine-polystyrene dosimeters prepared by injection moulding K. R. Prasad, Mary Alex, V. Balagi and 969 Isotope calibrator ionization chamber for low energy gamma P. M. Dighe emitters P. P. Gokhale and E. M. A. Hussein 973 A ?Cf neutron transmission technique for bulk detection of explosives J. Bartoll and M. Ikeya 981 ESR dating of pottery: a trial Y. C. Cheung, Peter K. N. Yu, E. C. M. Young, The electron-dose distribution surrounding an '”Ir wire brachy- C. L. Chan, M. F. Ng, Francis N. F. Tang and therapy source investigated using EGS4 simulations and Gaf- Tony P. Y. Wong Chromic™ film Contents of Volume 48 Nuclear Geophysics C. A. Adesanmi, I. A. Tubosun, F. A. Balogun 991 Advantages of combined IENAA and Ko-factor technique in the and A. A. Oladipo determination of U and Th concentrations in exploration rock samples V. C. Titov, D. P. Lashkov, I. M. Khaykovich Strategies for revealing dangerous concentrations of radon in and D. A. Chernik buildings K. N. Yu, E. C. M. Young, M. J. Stokes, Radon emanation from concrete surfaces and the effect of the M. K. Kwan and R. V. Balendran curing period, pulverized fuel ash (PFA) substitution and age P. Reinikainen, J. J. Merilainen, A. Virtanen, Accuracy of7 !°Pb dating in two annually laminated lake sediments H. Veijola and J. Aysto with high Cs background Letter to the Editors Donald G. Miller Diffusion coefficients and /;; for aqueous CsCl: comments on the paper by Chakrabarti “Cation diffusion coefficients in CsCI-H,O system over the concentration range 0.009-10.00 mol-dm™ at 256" Book Review Number 8 Radiochemistry and Radionuclide Applications R. E. Boyd 1027. The gel generator: a viable alternative source of °°"T c for nuclear medicine Tamikazu Kume, Shinpei Matsuhashi, 1035 Uptake and transport of positron-emitting tracer ('*F) in plants Masamitsu Shimazu, Hitoshi Ito, Takashi Fujimura, Katsuhiko Adachi, Hiroshi Uchida, Noriko Shigeta, Hiromitsu Matsuoka, Akihiko Osa and Toshiaki Sekine B. Johannsen, R. Jankowsky, B. Noll, H. Spies, 1045 Technetium coordination ability of cysteine-containing peptides: T. Reich, H. Nitsche, L. M. Dinkelborg, X-ray absorption spectroscopy of a Tc labelled endothelin C. S. Hilger and W. Semmler derivative Sepp Seifert, Rosemarie Syhre, Hartmut Spies Enzymatic hydrolysis of ester groups of mixed-ligand and Bernd Johannsen oxorhenium(V) and oxotechnetium(V) complexes N. S. Rajurkar and B. M. Pardeshi Analysis of some herbal plants from India used in the control of diabetes mellitus by NAA and AAS techniques Sankha Chattopadhyay, M. K. Das, Radiochemical separation of high purity '''In from cadmium, B. R. Sarkar and N. Ramamoorthy copper, aluminium and traces ofi ron: use of ac atio exchange resin with hydrobromic acid and hydrochloric acid Radiation Sources and Applications L. C. Longoria and J. S. Benitez 1069 7°Se gamma ray intensity measurements M. J. Farquharson, R. D. Luggar and 1075 Multivariate calibration for quantitative analysis of EDXRD R. D. Speller spectra from a bone phantom Herbert Jaeger, Laith Abu-Raddad 1083 TDPAC study of structural disorder in metamict zircon and David J. Wick Synthesis of Labelled Compounds S. K. Zeisler, M. Nader, A. Theobald 1091 Conversion of no-carrier-added [''C]carbon dioxide to [''C]- and F. Oberdorfer carbon monoxide on molybdenum for the synthesis of ''C-labelled atomatic ketones Peter Blauenstein, Raimo Pellikka Reinvestigation of a physiological eluate of the**Fe/°2™Mn and P. August Schubiger generator XI Contents of Volume 48 S. Liu, D. Scott Edwards, A. R. Harris and 1103 *™Tc-labeling kinetics of four thiol-containing chelators and P. R. Singh 2-hydrazinopyridine: factors influencing their radiolabeling effi- ciency Bluma L. Faintuch, Maria Apparecida, Improved labeling technique and radiochemical purity determi- T. M. Almeida, Emiko Muramoto, nation of °™Tc-N-acetylcysteine Olga G. Carvalho, Elaine B. Aratjo, Nilda S. Pereira and Constancia P. G. Silva Technical Note Raymond J. Davenport, Keith Dowsett A simple technique for the automated production of no-carrier- and Victor W. Pike added [1-''C]acetate Radioactivity and Radiation Measurements G. J. Baldha, D. A. Raval, M. V. Subbarao and 1121 Attenuation coefficients of various gamma radiations by solutions R. G. Kulkarni of cobalt sulphate J. P. Bolivar, M. Garcia-Leon and 1125 On self-attenuation corrections in gamma-ray spectrometry R. Garcia-Tenorio N. Dadvand and M. Sohrabi 1127 Effects of pre-soaking on characteristics of lexan polycarbonate Etsuko Furuta, Yukio Yoshizawa, 1133 Usefulness of floating radioluminography to tritiated samples Takashi Natake and Makoto Takiue Nuclear Geophysics M. Jurado Vargas, F. Vera Tome, 1137 Distribution of uranium and thorium in sediments and plants from A. Martin Sanchez, M. T. Crespo Vazquez a granitic fluvial area and J. L. Gascon Murillo A. Noureddine, B. Baggoura, J. J. Larosa Gamma and alpha emitting radionuclides in some Algerian soil and N. Vajda samples Tieh-Chi Chu and Jeng-Jong Wang Radioactive disequilibrium of uranium and thorium nuclide series in river waters from the Ta-Tun volcanic group area in Taiwan S. Takriti and I. Othman Diffusion coefficients of °’Sr and '*’Cs in Syrian rocks and the dependence on pH Technical Notes M. A. Benamar, A. Zerrouki, Z. Idiri Natural and artificial radioactivity levels in sediments in Albiers and S. Tobbeche bay M.N. Alam, M. I. Chowdhury, M. Kamal, Radioactivity in chemical fertilizers used in Bangladesh S. Ghose, Hamida Banu and D. Chakraborty Number 9 Radiochemistry and Radionuclide Applications Susanta Lahiri, Maitreyee Nandy and 1169 Sequential separation of carrier free radioisotopes of rhodium, Banani Mukhopadhyay silver and cadmium produced in a-particle activated palladium by TOA Synthesis of Labelled Compounds F. Dumont and G. Slegers 1173 Synthesis and in vivo evaluation of 7-chloro-5-{'*I]iodo-4-o0xo-1,4- dihydroquinoline-2-carboxylic acid Kazunari Hashizume, Hiroki Tamakawa, 1179 Single-step synthesis of ['’F]haloperidol from the chloro-precursor Naoto Hashimoto and Yoshihiro Miyake and its applications in PET imaging of a cat’s brain Takashi Iwashina, Paul G. Scott and 1187 Synthesis of tritium-labelled N‘-methylhistamine for the improve- Edward E. Tredget ment of extraction efficiency of N‘-methylhistamine from biological fluids