ANALAO 108 (1283) 137-296 (1983) February 1983THE ANALYSTTHE ANALYTICAL JOURNAL OF THE ROYAL SOCIETY OF CHEMISTRYCONTENTSFIRST BIENNIAL NATIONAL ATOMIC SPECTROSCOPY SYMPOSIUMSHEFFIELD, UK, JULY 13-15,1982137 Editorial-J. M. Ottaway138 Glassy Carbon Tubes in Electrothermal Atomisation - Atomic-absorption Spectrometry145 Intensities of Some Spectral Lines from Hollow-cathode Lamps-Christopher Howard,153 Flow Injection Sample Introduction Methods f o r Atomic-absorption Spectrometry-159 Development Progress in Plasma Source Mass Spectrometry-Alan R. Date and Alan L. Gray166 A Pneumatic Recirculating Nebuliser System f o r Small Sample Volumes-Peter Hulmston171 Trace-metal Determinations in Concentrated Electrolyte Solutions-a ComparativeStudy-Peter R.Skidmore and Susan S. Greetham178 Simultaneous Multi-element Analysis by Carbon Furnace Atomic-emission Spectrometry-John Marshall, David Littlejohn, John M. Ottaway, James M. Harnly, Nancy J. Miller-lhli andThomas C. O'HaverDetermination o f Trace Impurities i n Sodium Coolant from a Fast Breeder Reactor byInductively Coupled Plasma Atomic-emission Spectrometry-Thomas Berry, KennethC. Macleod, Alistair C. Christie and James A. CunninghamDetermination of Trace Elements in Biological Materials Using a Hollow-cathode Dis-charge : Comparative Study of Matrix Effects-Sergio Caroli, Oreste Senofonte andPietro Delle FernmineA Critical Comparative Study of Atomic-spectrometric Methods (Atomic Absorption,Atomic Emission and Inductively Coupled Plasma Emission) f o r DeterminingStrontium in Biological Materials-Alfred0 Sanz-Medel, Rosa Rodriguez Roza andConchita Perez-CondeInvestigations on Atomisation Mechanisms o f Volatile Hydride-forming Elements in aHeated Quartz Cell.Gas-phase and Surface Effects; Decomposition andAtomisation o f Arsine-Bernhard Welt and Marianne MelcherA New Design o f Graphite Furnace f o r Rapid Cycle Electrothermal Atomisation - Atomic-absorption Spectrometry-Mohammad-Hossein Bahreyni-Toosi and John B. DawsonDetermination o f Lead in Blood by Flame Atomic-fluorescence Spectrometry-Prem R.Sthapit, John M. Ottaway and Gordon S. FellDetermination of Lead in Whole Blood by Electrothermal Atomic-absorption Spectro-metry Using Graphite Probe Atomisation-Shree K.Giri, Charles K. Shields, DavidLittlejohn and John M. Ottaway254 Analysis of Used Lubricating Oils for Wear Metals by Wavelength Dispersive X-rayFluorescence Spectroscopy-Edward Searle and Christopher M. Thompson261 Determination of Lead in Soil by Graphite Furnace Atomic-absorption Spectrometry withthe Direct Introduction o f Slurries-Kenneth W. Jackson and Alan P. Newman265 Re-usable Sampling Tubes for Monitoring Airborne Mercury Vapour Concentrations:Sample Collection and Analysis by Cold Vapour Atomic-absorption Spectrometry-Mark Taylor277 Extraction o f Metals from Soils and Sewage Sludges by Refluxing with Aqua Regia-Michael L. Berrow and Winnie M. Stein286 Application of Optical Emission Source Developments in Metallurgical Analysis-Hugh Hughes-Leo de Galan, Margaretha T.C. de Loos-Vollebregt and Rent5 A. M. OosterlingMarjorie E. Pillow, Edward B. M. Steers and Donald W. WardJulian F. Tyson, John M. H. Appleton and Ahyar B. ldris18919620421 3Part 1.225235244293 BOOK REVIEWSSummaries of Papers in this lssue-Pages iii, iv, v, vi. vii. viii. ix, X. xiiPrinted by Heffers Printers Ltd Cambridge EnglandEntered as Second Class at New York, USA, Post Officf 4NON FREEZINGN20GAS REGULATORNo heaters requiredNo ElectricalconnectionsNo freeze-upThis specially designed regulator eliminates pressureand flow fluctuations caused by internal icing whichnormally affects ordinary regulators. Gives a smoothreliable gas flow. Trouble free unattended operationeven outdoors at low ambient temperature.Available for immediate delivery at only€104.50 + VAT.HIGH PURITY CARRIER GASREGULATORSFor gas chromatography etc.Diffusion resistantregulators with stainless steel diaphragms designed togive accurate pressure control while maintaining gaspurity. Minimum inboard leakage and diffusion. Singlestage and two stage models from €120.00.For orders and further information contact:NEWBURY RG14 5DT - TEL (0635) 49903. TLX 848668ELECTROCHEM LTD - MAIDENHEAD HOUSE - electrochem - SPECIALITY CHEMICALS AND GASESA205 for further information. See page xviiiTHE QUEEN’SUNIVERSITYOF BELFASTMSc COURSE inANALYTICAL CHEMISTRYApplications are invited for admission to thisestablished 12 month full-time MSc coursewhich provides a comprehensive training inthe theory and practice of modern chemicaland instrumental methods of analysis.Applicants should normally possess anhonours degree (or equivalent) in chemistryo r cognate subjects.Part-time courses areavailable.The Science and Engineering ResearchCouncil has recognised the course for tenureof its Advanced Course Studentships.A description booklet and application formscan be obtained from Professor D. ThorburnBurns, Dept. of Chemistry, Queen’s Universityof Belfast, Belfast BT7 1 NN, Northern Ireland.A208 for further information. See page xviii12th - 14th October 1983BARBICAN CENTRE, LONDONThe Conference, which has the strong support of theRoyal Society of Chemistry, is intended for scientistsand technologists from all branches of industrial scienceand the related disciplines where analytical techniquesplay a significant role.‘ANALYTICON 83’ has the added attractions of beingstaged alongside the successful and expanding seriesof ‘LABORATORY’ exhibitions as well as the use of theexcellent conference facilities at the new BarbicanCentre.The organisers are pleased to welcome ProfessorJohn 1.G. Cadogan, President of the Royal Societyof Chemistry, to act as Chairman for the Conference.He will be supported by many eminent plenary andkeynote speakers who will form the foundation for thisimportant event.Six-Theme Plenary Lectures:Organic Structure: Prof. C.J.W. Brooks, University of Glas-gowTitle: To be confirmed.Chromatography: Dr D.R.Deans, I.C.I. Wilton, ClevelandTitle: ‘Quantitative GC - a decade of progress’.Surface Analysis: Dr V.E. Coslett, Cavendish Labs., Univ. ofCambridgeTitle: ‘Microanalysis, Auger and Photoelectron Spectroscopy’.Elemental Analysis: Prof. T.S. West, Macaulay Inst., Aber-deenTitle: ‘Elemental Analysis - an overview of problems and theirresolution by physical chemical techniques’.Computers In Analytical Chemistry: Prof. D. Betteridge,British Petroleum, Sunbury-on-ThamesTitle: To be confirmed.Clinical Analysis & Bio-Sciences: Dr F.L. Mitchell, C.R.C.,HarrowTitle: ‘New technology and the changing scene in clinicalchemistry’. -------- c o obtain a copy of the Call for Papers and /or RegistrationForms, please return this coupon to:Mr G.C. Young, S.I.M.A., Leicerter House, 8 Leicester St., I London, WCPH 70N or Telephone: 01-437-0678. IIII Surname:Prof/Dr/Mr/Mrs/Miss/Ms: I Company/Organisation:II I Address: II Postcode: 1IJI Please return a copy of 0 Call for Papers0 Registration FormsA206 for further information. See page xvii