Analytica I DivisionJANUARYFriday, 23rd, 6.30 p.m.: Salford.North West Region: Annual General Meeting,“Catalytic Methods in Chemistry,” by G.The University, Salford.followed by an Ordinary Meeting.Svehla,.Friday, 23rd, 6 p.m.: BathWestern Region: Annual General Meeting,followed by the Address of the retiringChairman, Dr W. J. Williams.Department of Chemistry, The University,Bath.Tuesday, 27th, 6.15 p.m.: LondonSouth East Region: Annual General Meeting,“Research and Testing for the Consumer,”The Linnean Society Meeting Room, Bur-followed by an Ordinary Meeting.by P. Sand.lington House, Piccadilly, London, W. l.FEBRUARYWednesday, 4th, 2 p.m.: LondonAnalytical Division, organised by the JointPharmaceutical Analysis Group, on “Re-placement of Biological Methods by Chem-ical and Physical Methods.”“Peptides and Hormones,” by D.Calam.“Chemical Methods for the Determination ofVitamins A, D and E,” by R. A. Wiggins.“Tetracyclines,” by J . W. Lightbown.“The Problems of Assaying Penicillin withSpecial Reference t o the Assay of Carbeni-cillin,” by P. Abley.Pharmaceutical Society of Great Britain, 17Bloomsbury Square, London, W.C. 1.Tuesday, loth, 4.30 p.m. : EdinburghScottish Region, jointly with Edinburgh andEast of Scotland Section of the CS and theHeriot-Watt University Chemical Society.“Identification and Measurement of Hydro-carbons and their Derivatives in Waters,”by F. J. Whitby.“The Use of Coprostanol as an Indicator ofFaecal Pollution,” by G. A.Best.Mountbatten Conference Theatre, Heriot-Watt University, Grassmarket, Edinburgh.DiaryWednesday, llth, 10.30 a.m.: LondonSpecial Techniques, Microchemical Methodsand Chromatography and ElectrophoresisGroups on “Techniques for the Determina-tion of Traces of Volatile Compounds.”“Derivative Spectrometry,” by R. Staudner.“Experience with the Use of a Plasma Detec-tor for Gas Chromatography,” by J . D.Wilson.“Gas Chromatography - Mass Spectrometryin the Single Mass Mode,” by J. T. Davies.“F.40 Headspace Analyser,” by R. Kirk.“Methods for the Collection of Traces ofVolatile Toxic Compounds in the Atmo-sphere,” by A. I;. Smith.“The Identification of the Important Con-tributor to Aroma in Food,” by H. E.Nursten.“The Analysis of Volatile Contaminants inFoods,” by M.J . Saxby.“Studies on Flavour-active Sulphur Com-ponents of Hops and Beer,” by J. A.Pickett .Lecture Theatre A, College Block, ImperialCollege, London, S.W.7.Thursday, 12th, 7 p.m.: LondonA tomic Spectroscopy and MicrochemicalMethods Groups.Discussion on “Flameless Techniques-Canthey Give the Right Answer ?” to be intro-duced by C. W. Fuller and C. A. Watson.Southside Senior Common Room, PrincesGardens, Imperial College, London, S.W.7.Tuesday, 17th, 7 p.m.: SwanseaWales Section of the CS.J . K. Foreman.Singleton Park, Swansea.Westevn Region, jointly with the South West“Do we Really Know What we Eat?” byDepartment of Chemistry, University College,Wednesday, 18th, 2.30 p.m. : Saffron WaldenEast Anglia Region on “Analysis of Pesti-cides.”“Applications of High Pressure LiquidChromatography to Pesticide ResidueAnalysis,” by D.H. Christopher.“Residue Determinations Following the Useof the Herbicide Ethofumesate,” by R. J.Whiteoak.[continued inside back coverPrinted by Heffers Printers Ltd Cambridge EnglanJanuary, 1976 ANALYTICAL DIVISION DIARYAnalytical Division Diary, continuedFebruary, continued33“The Determination of Ditalimfos Residues Monday, 23rd, 8 p.m. : Creweby Gas Chromatography Equipped with Novth West Region, jointly with the SouthFlame Photometric Detection,” by C. B. Cheshire Branch of the PharmaceuticalHollick. Society.Fison’s Ltd., Chesterford Park Research “The Disposal of Toxic Waste,” by L.Knott.Station, hTr. Saffron Walden, Essex. Crewe Arms Hotel, Crewe.Wednesday, 18th, 10.30 a.m. : LeedsRadiochemical Methods GYOUP on “Mossbauer“Review of Mossbauer Spectroscopy,” by“Preparation of Sources,” by D. J . Dwight.“PCMU and Mossbauer Spectroscopy, ” byB. Dale.“Mossbauer Spectroscopy and the MainGroup Metalloid Elements-The DeadMan’s Finger?” by J . D. Donaldson.“The Application of Mossbauer Spectroscopyto the Structure and Weathering of SilicateMinerals,” by B. A. Goodman.“Anomalous Charge States and Decay After-effects,” by P. Glentworth.Lecture Theatre E, Chemistry Department,The University, Leeds.Spectroscopy.”T. C. Gibb.Wednesday, 18th, 2 p.m.: SalfordNovth West Region, jointly with the UVSpectrometry Group and the SalfordStudents’ Analytical Society.“The Spectrometric Measurement of FlashPhotolysis Induced Transient pH Changes,”by Professor W.Junge.“The Measurement of Solvent PolaritiesUsing Spectrophotometric Tecl-iniques,” byI(. Bowden.“Light Scattering Methods for the Determina-tion of Molecular Weights,” by M. Huglin.“The Spectrophotometric RIeasurement ofRadiation Dosage Levels,” by S. C. Ellis.“The Design, Construction and Use of OpticalThermometers,” by R. W. A. Oliver.Lecture Theatre 3, Chapman Building, TheUniversity, Peel Park, Salford 5. (Notecorrection f r o m date given in the sepavatenotice of this nzeeting.)Tuesday, 24th, 10 a.m.: SheffieldThermal Methods G Y O U ~ , jointly with theBasic Science Section of the British CeramicSociety on “The Application of Thermo-analytical Methods to the Testing of HighAlumina Cement Concrete.”Speakers: H.G. Midgley, F. W. Wilburn, F. P.Glasser, Miss J . P. Dixon and H. A. Davies.Tapton University Hall of Residence,Sheffield.Thursday, 26th, 2.30 p.m. : LondonBiological Methods Group on “TransferableSpeakers: N. Datta, J. T. Smith and H.Pharmaceutical Society of Great Britain, 17Resistance Factors.”Williams Smith.Bloomsbury Square, London, W.C. 1.Thursday, 26th, 4.15 p.m. : AberdeenScottish Region, jointly with the Aberdeen andNorth of Scotland Section of the CS and theAberdeen University Chemical Society.“The Function of the Laboratory in an Inte-grated Iron and Steel Plant with ParticularReference to Environmental Control,” byJ . Little.Department of Chemistry, University ofAberdeen, Meston Walk, Old Aberdeen.Friday, 27th, 7 p.m.: ChepstowWestevn Regiou2.Discussion on “Whatever Happened toElectroanalytical Methods,” to be intro-duced by B. Fleet.Wye Room, George Hotel, Chepstow