ANALAO 121 (3) 1 1 R-32R, 275-378, 25N-40N (1 996) MARCH 199611111‘””An a I y stIThe analytical journal of The Royal Society of ChemistryCONTENTSREVIEWSTUTORIAL REVIEWSCHEMOMETRICSISTATISTICSPERSPECTIVESAMPLE HANDLINGMOLECULARSPECTROSCOPY/SPECTROMETRYSEPARATION SCIENCEBIOANALYTICALSENSORS11R29 R27527928528929730330931 732 1325329333339345Compounds of Agricultural Significance Using Environmental Analytical Supercritical Fluid Extraction-AReview-lain A. Stuart, John MacLachlan, Arthur McNaughtanOriented Immobilization of Antibodies and Its Applications in lmmunoassays and Immunosensors-Bin Lu,Malcolm R. Smyth, Richard O’KennedyWhat Exactly is Fitness for Purpose in Analytical Measurement?-Michael Thompson, Tom FearnFormulation Optimization of Novel Multicomponent Photoprotective Liposomes by Using Response SurfaceMethodology-Yannis L.LoukasSense and Traceability-Michael ThompsonInfluence of Selected Natural Complexants on the Mobilization and Purging of Copper From AqueousMedia Into Supercritical Carbon Dioxide-Jin Wang, William D. Marshall, Donald S. GambleDevelopment of a Rotatory and Continuous Liquid-Liquid Extraction Technique for Phenolic Compounds inWine-E. R. Bru, C. G. Barroso, R. Cela, J. A. Perez-BustamanteEvaluation of Anasorb CMS and Comparison With Tenax TA for the Sampling of Volatile OrganicCompounds in Indoor and Outdoor Air by Breakthrough Measurements -Maria P. Baya, Panayotis A.SiskosMulti-element, Multi-media Method for the Determination of Airborne Elemental Emissions by InductivelyCoupled Plasma Atomic Emission Spectrometry-David Eugene Kimbrough, I.H. ‘Mel’ SuffetSpectrofluorimetric Determination of Trace Amounts of Aluminium With SalicylaldehydeSalicyloylhydrazone-Chongqiu Jiang, Bo Tang, Chen Wang, Xiaogang ZhangGas Chromatographic Determination and Negative-ion Chemical Ionization Mass SpectrometricConfirmation of 4,4’Methylenebis(2-~hIoroaniline) in Urine via Thin-layer ChromatographicSeparation-Weh S. Wu, Roman S. Szklar, Roy SmithSimultaneous Determination of Trace Amounts of Copper, Nickel and Vanadium in Sea-water byHigh-performance Liquid Chromatography After Extraction and Back-extraction-Yoshio Shijo, HidetoshiSato, Nobuo Uehara, Sachiko AratakeDevelopment and Evaluation of a Chemiluminescent lmmunoassay for Chlortoluron Using a CameraLuminometer-M.Fawaz Katmeh, G. Wynne Aherne, Derek StevensonMicrotitre-plate Enzyme-linked Ligand-Sorbent Assay of Riboflavin (Vitamin B2) in Human Plasma andUrine-Andrzej KozikFluorescence Optical Sensor for Low Concentrations of Dissolved Carbon Dioxide-Beat Muller, Peter C.HauserElectrochemical Activation of Screen-printed Carbon Strips-Joseph Wang, Maria Pedrero, HenningSakslund, Ole Hammerich, Jose PingarronTHE ROYALSOCIETY OFC H EM1 STRYI ~forfnationServices Cambridge, EnglandTypeset and printed by Black Bear Press Limited,Continued on inside back cover-0003-2654(199613:1-E L ECTRO AN A LY TIC A L351357363369OTHER METHODS373377iDetermination of Trace Levels of Niguldipine in Urine and Blood by Adsorptive Stripping Voltammetry atthe Hanging Mercury Drop Electrode-Gottfried Stubauer, Dagmar ObendorfPreparation of Microelectrodes: Comparison of Polishing Procedures by Statistical Analysis ofVoltammetric Data-Terence J.Cardwell, Jan Mocak, Jose H. Santos, Alan M. BondReference Electrode for Potentiometric Analyses in Corrosive Media-Daniel A. Lowy, Liviu OniciuDetermination of Ethanol in Beer by Flow Injection Dual-pulse Staircase Voltammetric Detection-YingsingFung, Songying MoTowards the Characterization of Bitumen-Mineral Interactions in a Natural Asphalt-Clayton Smith,Lutchminarine Chatergoon, Robin WhitingCUMULATIVE AUTHOR INDEXFACSS 1996: ANNOUNCEMENT AND CALL FOR PAPERSNEWS AND VIEWS 25N29N34N35N39N40NBook ReviewsConference DiaryCoursesConference Reports-Malcom R. Smyth, Ru-Qin YuPapers in Future IssuesTechnical Abbreviations and AcronymsCover picture: Analysis of compounds of agricultural significance (see p.11 R). Photograph kindlysupplied by lain Stuart, Glasgow Caledonian University, UK with thanks ot the Scottish AgriculturalCollege (SAC), UK