280 ANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 EQUIPMENT NEWS ~ Atomic Absorption Spectrometer The Model 3110 AA Spectrometer is opti- mized for flame, mercury-hydride and graphite furnace sampling techniques with a high-dispersion monochromator for maxi- mum light throughput and improved per- formance. It offers programmed parameter entry for simplified use with all sampling techniques, with method storage and recall for set-up speed and reproducibility. Auto- matic calibration provides up to eight stand- ards for both linear and non-linear working curves, and built-in statistical calculations in- clude average, SD and RSD to monitor and improve analytical precision. Perkin-Elmer Ltd., Post Office Lane, Bea- consfield, Buckinghamshire HP9 1QA. Atomic Absorption Spectrometer The Series 2 SOLAAR 919 AA Spectrometer range is suitable for the teaching environ- ment, since all controls are manually oper- ated.With background correction as an option, the SOLAAR 919 utilizes a high en- spectrometer or, by the addition of an IBM compatible data station running Microsoft Windows software, the full power and flexi- bility of the 929 can be realized. Unicam Ltd., York Street, Cambridge CBl 2PX. Atomic Absorption Spectrometer The SOLAAR 939QZ is a Zeeman version of the 939 series. The combination of back- ground correction methods available produce a unique package of analytical benefits: QuadLine analysis for the highest attainable sensitivities and dynamic measurement range; a Zeeman analysis to cope with struc- tured backgrounds or spectral overlaps; and combined mode for perfect method develop- ment--especially when employed with auto- mated ash/atomize plotting and sample preparation.Unicam Ltd., York Street, Cambridge CB1 2PX. Software for Atomic Absorption Analysis Unicam Series 2 SO; A R 91 9 AA spectrometer ergy throughput, single beam optical system, an advanced inert spray chamber, with ad- justable impact bead and baffle, and cool run- ning, laminar flow burners to produce outstanding analytical sensitivity and preci- sion. Unicam Ltd., York Street, Cambridge CBl 2PX. Atomic Absorption Spectrometer A system that can be configured to match individual needs, the SOLAAR 929 offers unequalled flame, furnace and vapour analy- sis performance, guaranteed by state-of-the- art atomization and optical systems. Modular design enables the addition of double beam Stockdale optics, quad lamp turret, automatic gas control and a high energy background correction facility. The SOLAAR 929 is available as a stand-alone, locally controlled SQLAAR software is a Microsoft Windows based package that can be tailored to suit in- dividual laboratory requirements in AA analysis, from simple routine to fully auto- mated multi-element analyses.SOLAAR I1 is compatible with all the makers’ AA products and gives the following new facilities: ad- vanced calibration, offering up to 10 stand- ards plus new curve fitting algorithms; customized macro facilities exploiting the powerful DDE capabilities of SOLAAR soft- ware, enabling spectrometer control from Mi- crosoft Excel culminating in the formatting of results into a customized report; and Auto QC software providing up-to-date compli- ance with EPA protocols ensuring adherence to legislative methods and in-house quality protocols.Unicam Ltd., York Street, Cambridge CB12PX. Multi-purpose Dosage Form Assay Instru- ment The RAPID-CONTENT Analyser is the latest development of sampling platforms for the near infrared spectrophotometer and is de- signed to handle a wide range of sample types including tablets, capsules, sealed vials of lyophilized parenterals and I.V. bags. Analysis is rapid; for example, after a tablet is centred on the RAPID-CONTENT and the cover is closed an active content uniformity value and a GMP-conforming pass/fail qual- ity control report are provided within 42 s.Perstorp Analytical Ltd., Cooper Road, Thornbury, Bristol BS12 2UW. Accessory for Infrared Spectroscopy Fourier transform infrared spectroscopy has introduced an alternative technique to KBr disks for QC laboratories monitoring incom- ing raw materials. This is diffuse reflection for materials which can be pulverized with KBr. Shimadzu have taken this principle a stage further with the introduction of Auto- mated Diffuse Reflection, a unique accessory which enables up to 24 samples to be run sequentially. V. A. Howe and Co. Ltd., Beaumont Close, Banbury, Oxfordshire OX16 7RG. Spectrophotometer The Graduate is a spectrophotometer system designed to meet the needs of the busy teach- ing laboratory. The 8625 spectrophotometer with a PC and software for scanning, quanti- tationand/or rate analysis also comes with a series of applications and reference notes which discuss topics such as Beer’s law, the significance of stray light and how a UV-vis- ible spectrophotometer works.Unicam Ltd., York Street, Cambridge CBl 2PX. Spectrometer The monolithic MMS 1 miniature spectrome- ter, with a size of only 65~50x40 mm3, can be used in a wide range of applications, in- cluding spectrometry, analytical measuring technology, colour and thickness measure- ment, and photometry. It features an absolute spectral reproducibility of better than 0.3 nm. Stray light is less than 0.1 % (measured in the blocked spectral region of an OG570 filter using Xe lamp illumination). The spectrome- ter can be supplied with a PC interface or with single-board PC, both including soft- ware for DOS operating systems.Carl Zeiss, Postfach 1380, 7082 Oberko- chen, Germany. Spectroradiometers The Personal Spectrometer I1 from Analytical Spectral Devices Inc. is a portable diode ar- ray based spectroradiometer covering the spectral region from 350 to 1050 nm. Utiliz- ing a plasma-coupled 512 element photo-ANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 281 diode array with fibre optic input, it can ac- quire up to five spectra per second with 1.4 nm sampling and better than 3 nm spectral resolution. An on-board PC-compatible com- puter allows information to be displayed as MDVI, PPFD, chromaticity co-ordinates and SPOT and TM bands with a radiometric cali- bration function to display spectra in absolute irradiance or radiance units as well as reflec- tance units. A full range of accessories are available, and the instrument is available also as a laboratory benchtop version called the LabSpec.Glen Spectra Ltd., 2-4 Wigton Gardens, Stanmore. Middlesex HA7 13G. ICP-MS Package Specifically for use with the makers’ range of quadrupole ICP-MS spectrometers, E-Pack includes a hardware configuration optimized for elements and matrices of environmental interest. Incorporating pre-programmed regu- latory protocols, it also features extended custom reporting capabilities. Supported by Fisons On-line Customer Support (FOCUS), E-Pack has instant on-line access to the ICP- MS systems for the makers’ support staff to allow on-line upgrading and maintenance tasks to be carried out, thus ensuring that sys- tems are constantly at peak performance. FI Elemental Analysis, Ion Path, Road Three, Winsford, Cheshire CW7 3BX. LC-MS System A dedicated LC-MS instrument, the VG Plat- form features the makers’ new Megaflo Elec- trospray in addition to conventional Electrospray and APcI.This system offers Electrospray LC-MS analysis of up to 1.0 ml min-’ of a reversed phase solvent without either loss of sensitivity or the need to split the eluent flow. As a modification of the makers’ existing Electrospray system the Megaflow interface can be fitted to the Com- pany’s Trio 2000 and the Quattro instru- ments, and i t provides a significant enhancement to their proven Electrospray ion source. Fisons InstrumentsD’G BioTech, Tudor Road, Altrincham, Cheshire WA14 5RZ.Benchtop GC-MS and LC-MS Systems The 1993 GC-MS range features the new ToxSystem, a dedicated drugs of abuse con- firmation system comprising the MD 800 with a 200-position autosampler. Intelligent QC monitoring is provided by a dedicated software package. The new alternative chemical ionization technique will be launched this year. Providing positive identi- fication of a compound’s molecular mass, it is particularly important for work with newly created or unknown compounds; a positive ion chemical ionization option is now avail- able with the MD 800 system. Traditionally used with large, high resolution mass spec- trometers, the APcI interface is one of the new LC-MS products to be launched this year. APcI has the ability to analyse a far wider range of compounds than other earlier ionization techniques would allow.The intro- duction of the new TRIO 1000 open access system provides fully automated molecular weight confirmation. Fisons Instruments/VG MassLab, Crewe Road, Wythenshawe, Manchester M23 9BE. GC-MS The AUTOMASS SYSTEM 2 is the most sensitive benchtop GC-MS available today, achieving low fg detection levels. It offers completely automated procedures from sam- ple introduction to data processing and re- porting, all from a dedicated, easy-to-use Windows-based data system. The data system offers a large choice of spectral libraries, making identification of unknown com- pounds fast and accurate, while quantitation of trace level compounds becomes a genu- inely routine operation. Unicam Ltd., York Street, Cambridge CBl2PX.GC Headspace Sampler The HP 7694 GC headspace sampler, when combined with the HP 5890 Series 11 gas chromatograph with electronic pressure con- trol, provides excellent chromatographic re- producibility in a system controlled from a single PC. Featuring an inert sample pathway to reduce sample degradation, the HP 7694 is also available as a stand-alone instrument for use with manual flow pressure control gas chromatographs. Hewlett-Packard S.A., 150 route du Nant- d’Avril, CH-1217 Meyrin 2, Switzerland. Cartridge for Drying Organic Samples Ideal for the preparation of samples prior to chromatographic analysis, the Sample Drying Device consists of a polypropylene cartridge packed with anhydrous sodium sulphate and equipped with a female luer inlet to facilitate connection to a syringe.The drying capacity of each device depends on the aqueous affin- ity of the sample but is typically 0.5 ml of water. Whatman Scientific Ltd., Whatman House, St Leonard’s Road, 20/20 Maidstone, Kent ME16 OLS. Chiral Separator ChiraDex, a new chiral cartridge, uses a ver- satile silica gel packing for routine chiral separations. Enantiomeric separations are possible using simple non-chiral solvents, and a wide range of common compounds can be separated with ChiraDex. Hewlett-Packard S.A., 150 route du Nant- d’Avri1, CH-1217 Meyrin 2, Switzerland. Detector for HPLC The latest addition to the HP 1050 family of HPLC system modules is the HP 1050 Series diode array detector, developed at the mak- ers’ Waldbronn facility in Germany.De- signed for sophisticated routine work as well as for research, it features advanced automat- ion capabilities including peak qualification, peak purity calculations and peak identifica- tion by comparison against spectral library data. Hewlett-Packard S.A., 150 route du Nant- d’Avril, CH-1217 Meyrin 2, Switzerland. Detector for HPLC The LC-295 UV-visible detector has dual- beam, high-sensitivity optics and a wave- length range of 195-600 nm. A wavelength programming function permits selection of the optimal wavelength for each sample com- ponent, and automatic programming of up to 20 wavelength changes per run increases sen- sitivity and reduces interference. An autozero feature zeros the baseline with each wave- length change and built-in diagnostics auto- matically check the deuterium lamp operation and energy throughput for both sample and reference beams.The detector can be used as a stand-alone module or it can be incorpo- rated into a complete Perkin-Elmer HPLC s y s tem . Perkin-Elmer Ltd., Post Office Lane, Bea- consfield, Buckinghamshire HP9 1QA. Detector for HPLC The Shodex SE-7 1 ultrasensitive refractive index detector has a built-in temperature sta- bilizer, producing a smooth baseline. It is es- pecially useful in the analysis of carbohydrates, lipids and other compounds that do not possess a UV chromaphore. Severn Analytical, 10 Waterloo Street West, Macclesfield, Cheshire SKll 6PJ. Ion Chromatography Protocol An ion chromatography protocol using a Gynotek M300 pump, a Shodex CD-5 con- ductivity detector and a Shodex I-524A anion columns shows the baseline separation of fluoride, chloride, bromide, nitrite, nitrate and sulphate anions in 6 min.Severn Analytical, 10 Waterloo Street West, Macclesfield, Cheshire SKll 6PJ. Chromatography Data System Software HPLC Columns The Styrex range of styrene divinyl benzene based columns for the separation and analysis of organic acids, carbohydrates and alcohols offer excellent resolution and high reproduci- bility, a wide range of selectivities and opera- tion with simple eluents. They are equivalent to the Bio-Rad Aminex series of columns. HPLC Technology Ltd., Wellington House, Waterloo Street West, Macclesfield, Cheshire SL11 6PJ. v PeakPro provides comprehensive chroma- tographic acquisition, analysis and test man- agement facilities for the full range of VAX(VMS) and HP-UX(UN1X) based sys- tems.Revision 2.2 is announced; it includes an enhanced user interface (CHROM link) with a new menu system and browse feature, a manual integrator to allow the user to inte- grate graphically the peak(s) of choice, gel permeation chromatography, and simulated distillation software options. Beckman Instruments (UK) Ltd., Progress Road, Sands Industrial Estate, High Wy- combe. Buckinghamshire HP12 4JL.282 ANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 Chromatography Data Handling Soft- ware Revision 3.3 of Turbochrom offers one/two/three and fifteen-instrument configu- rations, reprocessing, and networwsite pack- ages that include an economical combination of acquisition and reprocessing licences.New facilities include calibration and quantitation by times and named groups, Peak Lumping and Peak Grouping, as well as by individual components. It has Dynamic Data Exchange support and can calculate relative retention time and ‘k’ values. Optional software pack- ages include Interface Validation, System Suitability, Size Exclusion and various instru- ment personality modules. Perkin-Elmer Ltd., Post Office Lane, Bea- consfield, Buckinghamshire HP9 1 QA. Hardware Options for Chromatography Data System Two new hardware platforms for XChrom and the new VG Data Server digital acquisi- tion device are announced. XChrom was de- signed to take advantage of the latest standards and maximize on the benefits of- fered by Open Systems. It is available on VAX/VMS, HP-UX and now IBM RS6000 and DEC Alpha/AXP with both Open VMS and OSF/I operating systems.The VG Data Server facilitates the direct collection of digi- tal data from digital detectors. It offers eight serial lines from complete control and acqui- sition of data from up to four instru- men t/au tosampler combinations communicating direct with the host computer via industry standard Ethernet connections. Fisons Instruments/VG Data Systems, St. George’s Court, Hanover Business Park, Al- trincham, Cheshire WA 14 5UG. Capillary Electrophoresis System The Crystal 300 Series is the first truly modular CE instrument which has perform- ance that not only matches but surpasses that of integrated systems. It incorporates an in- jection system, high voltage power supply and a stand for detectors.It is compatible with any HPLC detector which has a capil- lary flow cell. Its dynamic compression injec- tion in conjunction with pressure and voltage ramping results in injection reproducibility of less than 1%. The easy to use and flexible control is ideally suited to both routine and complex method development analyses. Unicam Ltd., York Street, Cambridge CBl2PX. Bioluminescence Equipment for Microana- lysis The Mikroflash single shot microanalysis technique developed by Mikralgen can per- form all the traditional microanalysis tech- niques using luminescence. The analysis is carried out in small vials. The first microana- lysis unit, Mikroflash 1 - ATP, is designed for continuous analysis and for monitoring fer- mentation.It can measure total micro-organ- isms in just a few minutes and is suitable for monitoring hygiene and the quality of sub- also suitable for measuring metabolites or en- zyme activity in an ATP stage, with a sensi- tivity of 1000 organisms. Two other systems will shortly be launched: the Mikroflash 2- NAD(P)H and Mikroflash 3-Hz02. Mikralgen, La Nitrikre, 01 160 Neuville sur Ain, France. Titrators for Food Analysis The analysis of FFA in heptane extracts by potentiometric titration can be severely ham- pered by static charge because of the low conductivity of the solvent used. The new 702 and 716 titrinos from Metrohm offer a solution to these problems, thanks to their in- built differential amplifier. V. A. Howe and Co. Ltd., Beaumont Close, Banbury, Oxfordshire OX 16 7RG.Cyanide Analyser The Skalar Automatic Cyanide Analyser is equipped with an automatic distillation unit, and its unique digestion unit overcomes the problem of thiocyanate interference. The ana- lyser capacity is up to 30 samples per hour and over-range samples are automatically di- luted. For quality assurance the stored results are available at all times and the data can be transferred to LIMS. A detailed study is available. Skalar, P.O. Box 3237-4800 DE, Nether- lands. Cell for Sulfuric Acid Analysis A specially designed measuring cell has been incorporated into the DSA 48 density and sound velocity meter, allowing sulfuric acid concentrations in the range 0-114.5% and oleum up to 65% free SO3 to be determined. Compared with traditional methods this gives fast response and good repeatability, while avoiding the need for additional reagents and sample dilution.In the ranges &90% and be- tween 100% His04 and 41% free so3 den- sity is used to measure concentration; be- tween 90 and 100% and the range above 47.1 % free so3 sound velocity is used. A mi- croprocessor automatically selects the proper physical property for evaluation and the thermostat provides the correct measuring temperature. Paar Scientific Ltd., 594 Kingston Road, Raynes Park, London SW20 8DN. Gas Analyser Four major European gas supply companies have already opted for the AT1 Unicam 610/74 High-purity Gas Analyser system to speciality gases. The analysers are being used to monitor trace impurities in gas streams as diverse as carbon dioxide for nuclear reactor coolant, silane and hydrogen chloride semi- conductor dopant gases, high-purity hydro- gen and oxygen, and polymer grade ethylene and propylene.Unicam Ltd., York Street, Cambridge CB1 2PX. Reverse Osmosis Water Purifiers The new Prestige range of reverse osmosis water purifiers can me installed in minutes and can remove up 98% of feedwater con- taminants for volumes between 500 and 6000 1 d-’. Purite Ltd., Bandet Way, Thame, Oxford- shire OX9 3SJ. Distillation Units for the Pharmaceutical In- dustry A line of distillation units for the pharmaceu- tical industry includes High Velocity Single Effect and Multiple Effect Steam Stills and Pure Steam Generators. The systems feature a unique evaporator design in which water vaporizes on the outside of the evaporator tubes.The evaporator coil itself is designed to self-clean. Multiple Effect and Pure Steam Generator vessels are ASME-code stamped and are built in accordance with FDA/GMP standards to produce water meeting current USP specifications for ‘Water for Injection’. A brochure is available. Vaponics Inc., 20 Reservoir Park Drive, Rockland, MA 02370, USA. Glass Microfibre Filters Whatman GF/C glass microfibre filters are regularly cited in standard methods for the determination of suspended solids in water and related techniques. The filters are manu- factured from 100% borosilicate glass with- out chemical binders. They can be used over a wide temperature range-from low temper- atures (without embrittlement) up to 500 “C-and are amenable to use in gravimetric analysis where ignition is involved.Grade GF/C is available in a range of circles and sheet sizes or as Filter Slides. Whatman Scientific Ltd., Whatman House, St Leonard’s Road, 20/20 Maidstone, Kent ME16 OLS. Cartridge Filters HYTREX I1 cartridge filters are manufac- tured from 100% pure polypropylene and contain no additives. The material complies with FDA regulations for food and beverage contact. The filters are manufactured in all standard and custom lengths up to 50 in with micron ratings from 1 to 75. Thermally welded end adapters are available to fit all commercially manufactured housings. Osmonics Inc., 595 1 Clearwater Drive, Minnetonka, MN 55343, USA Viscometer with Notebook-PC The Viscotester VT500/VT501 is a micro- processor-controlled rotational viscometer for strates, enzymes and reaction products.It is monitor trace components in their high-purity measurements on-site. With its immersionANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 283 sensor system, results can be read direct from an LED display. The VT500/VT501 delivers digital measuring signals and can be con- nected to the PC for programming and regis- tration of the measured results. HAAKE Mess-Technik GmbH u. Co., Di- eselstrasse 4, D-7500 Karlsruhe, Germany Rotational Viscometer The Viscotester VT500 is replacing more and more the traditional flow cups to monitor and adjust the viscosity of coatings. The reason is that applications are more often based on re- quirements initiated by QC procedures docu- mented according to IS0 9000.This standard does not specify any measuring instruments or procedures but requires the use of instru- ments giving computer print-out of results. Additionally the standard requires that the in- strument be periodically tested. The Vis- cotester fulfils these requirements. The manufacturer also offers service and calibra- tion contracts which shorten the test proce- dure for the user. HAAKE Mess-Technik GmbH u. Co., Di- eselstrasse 4, D-7500 Karlsruhe, Germany. Controlled Stress Rheometer The RSlOO controlled stress rheometer has been proved in the development and testing of traditional resin and new water-based coat- ings. The new optional high temperature sen- sor system TC500 for rheological testing at temperatures between 50 and 500 "C is ideal for the development and formulation of pow- der coatings.Features include exact determi- nation of the yield point, tracking of curing reactions from the liquid to the solid state, easy filling and cleaning by exchangeable measuring geometries, reproducible results by automatic adjustment of the measuring gap, and auto-gap control even during meas- urements. HAAKE Mess-Technik GmbH u. Co., Di- eselstrasse 4, D-7500 Karlsruhe, Germany. Electronic Flow Switch The MC series electronic flow switch for liq- uid or gas service detects media velocity by a sensing thermistor mounted in a stainless steel sensor. A reference thermistor compen- sates for fluid temperature variation and pro- vides a high temperature alarm function. Installation is simple. Litre Meter Ltd., 50-53 Rabans Close, Rabans Lane Industrial Estate, Aylesbury, Buckinghamshire HPlO 3RS.Melting Point Apparatus The IA9400, the new addition to the makers' IA9000 Digital Melting Point Family, has been developed to function between 0 and 85 "C. It features a unique Peltier cooling de- vice, with which the apparatus is able to re- duce oven temperatures to below 0 "C. For easier handling, samples are tested on a mi- croscope slide which slots into the side of the viewing head. Ramp rates are selectable from 0.2 to 10 "C min-' over the instrument's full temperature range. Electrothermal Engineering Ltd., 4 19 Sut- ton Road, Southend-on-Sea, Essex SS2 5PH. Freeze Driers Three new freeze driers, all with unique cast epoxy resin working and condenser cham- bers, have been launched.One of the models also has a heating element in the base of the chamber to compensate for the loss of heat in the sample by vaporization; this speeds up the freeze drying process. Also available are a complete range of accessories such as manifolds and holders for every application. ChemLab Instruments Ltd., Unit 6, Zone B, Chelmsford Road Industrial Estate, Great Dunmow, Essex CM6 1HD. Autosampler for Auto Analyzers The ChemLab 300 Sampler is designed for use in continuous flow analyzers, flow injec- tion analysis and other applications where up to 300 sample positions are needed. All pa- rameters can be controlled on the built-in key pad or externally via a PC. The sampler is fully compatible with ChemLab System 4 auto analyzers and capable of automatically selecting over-range samples for auto-dilu- tion and re-analysis. ChemLab Instruments Ltd., Unit 6, Zone B, Chelmsford Road Industrial Estate, Great Dunmow.Essex CM6 1HD. Analytical Evaporator A line of high-speed analytical evaporators featuring a new rotating gas manifold that can be turned an unlimited number of times without crimping the gas supply tubing is an- nounced. The N-EVAP-24 evaporator utilizes nitrogen as the evaporating agent and is ideal for applications requiring the evaporation of solvent from a large number of samples. This 24 position instrument requires only 35.5 cm x 45.5 cm bench space. Equipped with a gas flowmeter to set the nitrogen flow rate based upon the number of positions in use, it re- quires a nitrogen source and an electrical out- let; no vacuum pump is necessary.It utilizes a temperature controlled water bath and can be ordered with a dry bath and acid-resistant construction. Organomation Associates Inc., 266 River Road West, Berlin, MA 01503-1699, USA. Ashing Furnaces The S-Lab-A Series ashing furnaces each in- corporates a chamber having a roof and ven- tilated hearth of durable ceramic, with refractory slab elements on the side walls. This assembly is backed by high-grade ce- ramic fibre insulating board and is housed in a double-skin outer casing supported on a sectional steel frame, thus maintaining a cool external temperature. Chamber capacities of 5, 10, 15 or 20 1, service temperatures of up to 1200 "C and a variety of control options are available. Pyro Therm Furnaces, Unit 3, Halcyon House, 20 Goward Street, Market Harbor- ough, Leicestershire LE 16 9AF.Microwave Muffle Furnace The Model MAS-7000 1200 "C furnace com- bines the latest technology in microwave heating with the flexibility of a complete sys- tem for weighing samples, calculating results and hard copy data. It reduces typical analy- sis of ash and LO1 to minutes instead of the usual hours. It can be operated anywhere from the production floor to the QC labora- tory and requires no fume hood bench space. It has menu-driven software, program stor- age, internal calibration software, tempera- ture control in automatic and programmable ramping stages, RS-232 and computer ports to interface to various types of balances and printers. A brochure is available. CEM Corporation, 3100 Smith Farm Road, P.O.Box 200, Matthews, NC 28106- 0200, USA. Hand-held Density Meter The DMA 35 weighs only 550 g and is pow- ered by a standard 9 V battery. It works on the mechanical oscillator principle and a digi- tal thermometer measures temperature and also provides for compensation of tempera- ture influences. Calibration constants for the oscillator cell are stored in a non-volatile digital memory. DMA 35 accepts a fill tem- perature of up to 80 "C. The density measur- ing range is 0.5 to 1.999 g cm1'3 accurate to +0.001 g cm-3. Paar Scientific Ltd., 594 Kingston Road, Raynes Park, London SW20 8DN. Image Database Management System A new system sets up and maintains multiple databases for images made with the XL Se- ries Scanning Microscopes. The Image Data- base Management System is fully integrated in the microscope's environment, and auto- matically records date, time and microscope data.It makes use of an optionally rewritable optical disk as a mass-storage device in the MS-DOS/computer environment. Each disk can store 1400 images. Philips, P.O. Box 218, 5600 MD Eind- hoven, The Netherlands.284 ANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 Software Package for Colour Imaging A software package for colour imaging that can be fully integrated in the main control software of the XL Series Scanning Micro- scopes is available. It transforms grey levels (derived from the video levels of the XL‘s detector response) into coloured images. Op- eration is assisted by the display of the image histogram. Literature is available. Philips, P.O.Box 218, 5600 MD Eind- hoven, The Netherlands. S tokesmeter The StokesMeter uses a revolutionary method to characterize quickly the polariza- tion of a light beam. It can continuously cal- culate, report and display the four Stokes parameters enabling real time measurements of laser beams, optical fibres, birefringent materials and optically active compounds to be made. It is menu-driven and information can be presented in Poincark sphere three di- mensional visualization or in the familiar two dimensional polarization ellipse. Optical & Electronic Measurements, Unit 1, Manor House, Worsted, Norfolk NR28 9SD. Protein Modelling System A new ChemProtein module has been re- leased as part of the Chem-X system. Chem- X can manipulate and display sizeable proteins with ease and, with ChemProtein, the same powerful protein modelling facili- ties are available not only on VAX and UNIX workstations but now also for the PC and Ap- ple Macintosh 11.The application to the field of homology modelling is obvious with the ability to substitute peptide residues easily and examine the results. Chemical Design Ltd., Roundway House, Cromwell Park, Chipping Norton, Oxford- shire OX7 5SR. Molecular Modelling Software Tsar 2.0 is a significantly more powerful ver- sion of Tsar software. It combines advanced functions with an easy-to-use interface and is a valuable tool for researchers in Quantitative Structure Activity Relationships. Tsar 2.0 is the result of merging Python with the addi- tional functionality from the Tsar 1 .O product. The new version offers more statistical fea- tures, more molecular property calculations and more database information than the ear- lier version.It is available on Silicon Graph- ics, IBM RS/6000 and Hewlett-Packard UNIX workstations. Oxford Mecular Ltd., Magdalen Centre, Oxford Science Park, Oxford OX4 4GA. LIMS The launch is announced of the Oracle ver- sion of Lab Manager LIMS, a laboratory in- formation system that provides comprehensive laboratory testing, sampling and data management on VAX (VMS and ALPHA) and HP-9000 (HP-UX) based sys- tems. The implementation of Lab Manager on the Oracle database allows the user to configure the system with user-friendly Lab manager tools or powerful Oracle SQL tools. Beckman Instruments (UK) Ltd., Progress Road, Sands Industrial Estate, High Wy- combe, Buckinghamshire HP12 4JL.Recorders The BD200 4 , 6 and 8 channel recorder from Kipp and Zonen is now available, complete with full microprocessor control, featuring d.c. voltage and current, and temperature in- puts from a large range of thermocouples and platinum resistors. The Kipps BD 1 1 1 flatbed recorder has proved extremely reliable. A large range of data loggers is available in- cluding the Yokogawa Hybrid series, which can scan up to 30 channels in 1 s or 60 chan- nels in 2 s. The SEl00 series battery portable range from Goerz has three models. A3 digi- tal plotters from the Sekonic range and the new Micro-R 1000 from Yokogawa with its 100 mm chart are also available. As a result of a new consumables deal with Dia-Nielsen their range of industrial and laboratory re- corder pens are available ex-stock.A field re- pair service is now enhanced with the ability to issue calibration certificates to traceable standards. Labdata Instrument Services Ltd., 54 Cambridge Road, Carshalton, Surrey SM5 3QS. Performance Verification Services New calibration and performance verification services are provided to help laboratories to conform with Good Laboratory Practice, IS0 9000 and other regulatory guidelines. Part of the strategy to provide laboratories with total accountability of their HP analytical instru- ments and systems, these services provide documentation suitable for audit and trace- ability to international standards. Hewlett-Packard S.A., 150 route du Nant- d’Avril, CH-1217 Meyrin 2, Switzerland. Support Programme A worldwide programme has been introduced to provide up to five years’ comprehensive support for HP instruments and systems.The HP Assured Support Programme, available at three support level options, offers a simple, worry-free means of maintaining the produc- tivity of HP analytical equipment at favour- able cost. Hewlett-Packard S.A., 150 route du Nant- d’Avri1, CH-1217 Meyrin 2, Switzerland. Absorbent for Liquid Spills Absodan Plus is a new, fast-acting, non-flam- mable industrial absorbent. Sprinkled onto the contaminated area, it acts more quickly and absorbs more liquid than any other con- ventional absorbent granule. In the case of water spillages this can be up to 130% of its weight, or 88% in the case of oil.Steetley Minerals Ltd., P.O. Box 2, Ret- ford Road, Worksop, Nottinghamshire S8 1 8AF. COSHH lkaining Packs The NOHS COSHH Training Pack is a flex- the hazardous substances on your premises, their harmful effects and how you should handle them. It provides a useful training aid for a variety of situations, including shop- floor and management training. It incorpo- rates a comprehensive slidepack outlining the legislation in clear 35 mm text and picture slides depicting real-life situations. Each slide is backed with lecturer’s notes. National Occupational Hygiene Service, Skelton House, Manchester Science Park, Lloyd Street North, Manchester M 15 4SH. LITERATURE A brochure gives details of accessories for FT-IR, visible and UV spectroscopy.Connecticut Instrument Corporation, 1840 County Line Road, #207, Huntingdon Valley, PA 19006, USA. Brochures describe the PS Series and Super Sequential ICP/Echelle Spectrometers. Also available are a booklet, ‘An Introduction to Leeman Labs’, and a brochure on environ- mental analysis with the ICP/Echelle spec- trometer. Number 251 of ‘Leeman Letter’ includes items on various topics. Leeman Labs UK, Paxton Lodge, Quarry- field Lane, London Road, Coventry CV1 2JT. Literature is available on the dual channel EnviroFlow 5012 System flow injection sys- tem for colorimetric analysis of ions, deter- gents, phenols, etc. Perstorp Analytical Environmental, Box 70, S-263 21 Hoganas, Sweden. A leaflet introduces the 8000 Series gas chro- matography instruments. Fisons Instruments, Crewe Road, Wythenshawe, Manchester M23 9BE.The 1993 Chromatography Users’ Catalogue includes over 100 additions to the Company’s range of analytical columns and supplies. Hewlett-Packard S.A., 150 route du Nant- d’Avril, CH1217 Meyrin 2, Switzerland. Supelco’s new 24-page Reporter (Vol. XII, No. 1) discusses the analysis of oxygenates in petroleum products using a single column GC method as well as several other topics. Supelco Inc, Supelco Park, Bellefonte, PA 16823-0048, USA. A brochure (Literature No. 5091-6482E) de- scribes how the HP 5921A atomic emission detector (AED), used in conjunction with a gas chromatograph/mass spectrometry sys- tem, helps to reduce the time taken to per- form analysis of key compounds in a complex sample. Hewlett-Packard S.A., 150 route du Nant- d’ Avril, CH- 12 17 Meyrin 2, Switzerland.A booklet outlines HPLC systems designed for a wide range of environmental analysis ible package which helps you to recognize applications.ANALYTICAL PROCEEDINGS, JUNE 1993, VOL 30 Perkin-Elmer Ltd., Post Office Lane, Bea- consfield, Buckinghamshire HP9 IQA. ‘Food Science Profiles’ are monthly bibliog- raphies retrieved from IFIS’s ‘Food Science and Technology Abstracts’. They are avail- able on diskette and in print. IFIS Publishing, Lane End House, Shin- field, Reading, Berkshire RG2 9BB. A complete applications folder on water and waste water environmental protection from Metrohm contains over 80 applications. V. A. Howe and Co. Ltd., Beaumont Close, Banbury, Oxfordshire OX 16 7RG. A brochure summarizes a wide range of high technology filtration, separation and fluid transfer equipment and related components.Osmonics Inc., 595 1 Clearwater Drive, Minnetonka, MN 55343-8990, USA. A brochure highlights the American Pump line of air-operated diaphragm pumps. Osmonics Inc., 595 1 Clearwater Drive, Minnetonka, MN 55343-8990, USA. Three application notes are available: ‘Prepa- ration of Cytosol for Steroid Receptor Analy- sis’, ‘Rapid Separation of High Quality Plasmid DNA by Two-step Cesium Chloride -Etmidium Bromide Gradient’, and ‘Sucrose Density Gradient Analysis ,of Human Serum and Standard Market Proteins’. Kontron Instruments Ltd., Blackmoor Lane, Croxley Business Park, Watford, Hert- fordshire WD1 8XQ. A booklet, ‘AFM Imaging Modes’, is in- tended to help the reader to understand AFM imaging modes, to select the mode appropri- ate to the application and to interpret the re- sulting images. TopoMetrix Corporation, 1505 Wyatt Drive, Santa Clara, CA 95054, USA. A statistical quality control information sheet outlines key features and benefits of the SQC facility within the Lab Manager LIMS. Beckman Instruments (UK) Ltd., Progress Road, Sands Industrial Estate, High Wy- combe, Buckinghamshire HP12 4JL. 285 A brochure details the benefits of the HP ChemServer 4900 series network server sys- tems, which are designed for the analytical laboratory, enabling optimal use of existing computer investment. Hewlett-Packard S.A., 150 route du Nant- d’Avril, CH-1217 Meyrin 2, Switzerland. The latest edition of ‘Focus-On’ looks at a number of recent developments and several new/enhanced products for 1993 including System Gold, the LF3000 series of protein sequencers, the J2HC centrifuges and the DU-600 for tablet dissolution. Beckman Instruments (UK) Ltd., Progress Road, Sands Industrial Estate, High Wy- combe, Buckinghamshire HP12 4JL. The 1993 Radleys Laboratory Equipment Catalogue is divided into six colour-coded sections: Laboratory Equipment, Scientific Glassware, Chromatography and Filtration, Laboratory Safety, Environmental and Indus- trial Hygiene, and Lipids and Biochemicals. Radleys, Shire Hill, Saffron Walden, Es- sex CBll 3AZ.