Pittsburgh 1991 Conference – New products

On-line process chemical analysers A process analysis system (EPAS), from Eppendorf, for the chemical processing industry combines high-speed analysis with performance and reliability. Simplicity of analyser design guarantees long-term reliability and ease of service. Diagnostic software monitors and verifies analytical process data and analyser performance. An extensive process applications library has been developed. Automatic fluxer The FX-503 automatic fluxer provides programmable methods for melting temperature, agitation-direction, amount and speed of agitation over a number of phases. The system can be programmed for methods containing up to 100 phases. Precise temperature and agitation characteristics are controlled by the microprocessor. Flexibility of programming permits use in both perox-ide or borate applications. PARTICLE SIZE ANALYSERS In-stream particle analyser The EPCS particle analyser fits directly into the process stream via flange connection (pipes 6 in, or larger.) The rugged, real-time instrument provides 100% representation data for total quality control. Remote operation reduces employee contact with process machinery and product.

fine particle analyser is a submicron instrument that can measure at high concentrations. The full-range analyser covers 0" to 700 tm in a single measurement with no parts movement or replacement. The computer control module controls analyses, displays results, and manages past results.
THERMAL ANALYSERS Automated DSC system TA Instruments launched a fully automated DSC system which allows up to 62 samples to be thermally evaluated and analysed unattended. The operator simply loads an autosampler tray, initiates the system, and returns later to retrieve a stack of hard copy results. The system is suitable for increasing productivity in both R & D and QC laboratories. TA Instruments, Inc., 109 Lukens Dr., Wilmington, Delaware 19720, USA.

Organic sampler
The model AVOCS-500 is a selfcontained automatic volatile composite organic sampler. The unit is used to obtain and store samples of liquid containing volatile organic compounds for Analytical Chemical Methods No. 624, 1624, 601, 602, 524, and for  DSC and TGA autoanalysis software DSC and TGA autoanalysis software programs offer increased productivity and ease-of-use by allowing the system controller (computer) to analyse data from repetitive experiments, unattended. The system chooses from more than 100 stored routines to automatically analyse either data at the completion of an experiment or data files from up to 10 earlier experiments. accepts program protocol from an IBM PC computer down-load and saves program protocols in non-volatile memory storage. The Dissoette II has been expanded to include automatic UV detection from samples collected in a built-in 144-position carousel, and now ,;icrs direct-inject of collected samples into the Waters Millipore 712D Automatic Dissolu-tion/HPLC system for complete dissolution-HPLC automation. Dissoette II features include: (1) 6 or 12-flask systems.
(2) New memory storage of test protocols.
(6) One system can handle both UV and HPLC.

HPLC autosampler
The autoMetric autosampler provides reproducibility for virtually any HPLC application requiring unattended sample introduction. The autosampler is a no-loss, variable volume, programmable autoinjection system designed for complete electrical operation, eliminating the need for an accessory gas. A total of 96 different samples can be analysed with an infinite number of injections possible from each sample. Automated system for pesticide residue screening A dedicated system for the screening of all types of foods for pesticide residues saves time and money through reduced operator interpretation, increased throughput, and ease of use. The instrument eliminates the need for confirmatory analysis in terms of accuracy and precision in both quantitative and qualitative analysis. The instrument uses simultaneous dual capillary column GC analysis. A software package calculates retention indices and compares the results to those in a user-defined library to identify the pesticide residues to 99"9% accuracy. HNU @stems Inc., 160  Its patented positive displacement design allows virtually no carry over and provides fail-safe interruption if sample injection does not occur due to blocked tubing. Each sample in the Model 728R can be individually programmed, and external control may be exercised through contact closures or through an RS-232-C portal. The model is also available in metal-free biocompatible versions.
Three,detector HPLC system Bacharach's HPLC system combines three of the most popular detection modes: UV, fluorescence, and conductivity. This single compact unit is designed for use in QC laboratories, screening, and teaching applications.
The TriDet system features a trifunctional detector that allows one, two, or three of the detection modes to be monitored separately or simultaneously. The unit provides UV

Chromatography data station
The DP900 fully automated chromatography data station was designed for GLP (Good Laboratory Practice). The instrument uses parameters of peak area, height, retention time, resolution, separation, capacity, and sensitivity to validate the performance of a single run.
Groups of runs are checked by the RSD of these parameters as well as specific group statistics and correlation checks.
HPLC system A fully-automated, modular HPLC system, the Analyst, combines the ease of single keyboard control with the flexibility of multitasking (3) High accuracy. Accuracy and precision is four to 10 times better than manual analysis.
(4) Viscometers are cleaned in a closed system, eliminating the dangers of solvent exposure and improving laboratory safety.

Carbon analyser
The model 1505 laboratory analyser is for the automated measurement of total organic carbon (TOC), purgeable organic carbon (POC), and total carbon (TC) in water. The analyser operates accurately on a wide concentration range of 10 ppb to 2000 ppm by high temperature combustion and infrared detection of CO2.
With a 72-position integral sample sequencer (optional) and an automatic sample injection system, the user is provided with simplified unattended operation. The unit operates as a stand-alone analyser or can be interfaced for computer control.
Water analyser The Aquatec system is an automated option for the routine testing of water. The unit simplifies high precision nitrogen, phosphorus, and chloride analysis in water. Based on interchangeable method cassettes, the device is designed for cost-effective analysis for ppb levels to ppm levels.  The software package features a graphical user interface, multitasking, and automation. SLM-AMINCO, 810 W. Anthony Dr., Urbana, Illinois, USA. FTIR Chemical process analyser A full-scale chemical process analyser employs an infrared sensing probe immersed in a batch reaction vessel. The system, which typically collects and stores a complete midinfrared spectrum once every 30 sec, measures the changes in individual chemical bonds as they take place, providing a window into the reaction. Multi-component analysis software is then used to provide time plots of the concentrations of each constituent in the reaction. Laser Precision Analytical/Analect (as above).
FTIR spectrometer The Galaxy Series 7000 FTIR spectrometer provides high performance with 0"4 cm -1 resolution capability and high sensitivity 18-bit ADC. With 17 user-selectable scan speeds, the instrument can be optimized for any analysis technique and detector combination. The Galaxy 7000 features fast detector change with computer-controlled selection of beam path and detector selection, and a sealed and desiccated interferometer to protect sensitive optical components.

Dedicated QC analysers
The 8200 Series QC analysers automatically analyse QC samples. Onebutton operation allows for high sample throughput with minimal sample preparation and operator training, and no operator variability. The 8210 liquids analyser system uses FTIR spectroscopy, accompanied by the ATR (attenuated total reflectance) technique. The 8210's optics provide significantly increased sensitivity over general-purpose instruments using standard sample compartments and standard sampling accessory designs. The 8210E FTIR analyser offers extended flexibility by allowing a variety of sampling accessories to be used while maintaining the same ease of operation. Nicolet Instrument Corp., Analytical Div., 5225 Verona Rd., P.O. Box 4451, Madison, Wisconsin 53711-0451, USA.
Research-grade IR microscopy system The Nic-Plan combines advanced microscopic imaging with IR spectroscopy and chemical analysis when interfaced with a Nicolet FTIR spectrometer. The instrument features the View-Thru projected aperture masking system, which permits the entire sample image to be viewed while simultaneously positioning the apertures for IR sampling. The FTIR processor controls the IR beam path in the microscope. Computerised motor control is available for viewing/sampling, transmission/ reflectance, and motorized stage positioning. The Nic-Plan has an onaxis optical design, Redundant Aperturing, and sample compensation with Cassegrainian Reflachromal optics for highly accurate sampling.
Low-cost FTIR spectrometer The Galaxy Series 3000 spectrometer is a low-cost, workhorse FTIR featuring 2 cm -1 resolution with high stability optics. The instrument is compatible with any MS-DOS based IBM AT-compatible computer system. The Galaxy 3000 can be configured for dedicated analysis routines with FIRST macros, as a teaching system with U-FIRST, or as a full-featured analytical system with research level FIRST software. Mattson Instruments, 1001 Fourier Ct., Madison, Wisconsin 53717, USA.
FT-Raman spectroscopy system A FT-Raman spectroscopy system is optimised to fully realise the intrinsic advantages of FT spectroscopy, making Raman spectroscopy applicable to a wider range of sample types. Two important advantages are the profound decreases in fluorescence and thermal decomposition effects. Additional advantages include the inherent throughput, multiplex, and wavenumber accuracy advantages, and the ability to collect high-resolution Raman spectra in a short time. The FT-Raman system provides capability for acquiring both FT-Raman and FTIR spectra on the same sample in only a few minutes.
The NIC-Notch filter system performs measurements of Raman shifts very close to the Rayleigh line and simultaneous collection of Stokes and anti-Stokes data.

ICP-AES
ICP-AES spectrometer The MAXIM series of high throughput, flexible, and high speed ICP-AES spectrometers increase laboratory productivity and analytical accuracy. The instrument offers simultaneous analysis with sequential flexibility, determining up to 60 elements for each analysis and access to a 200 wavelength array with full benefit of high resolution Echelle optics. The high-powered axial plasma source neutralizes interferences and other associated effects.

Equilibrium Titrator
The Mitsubishi model GT-06 microprocessor-controlled equilibrium titrator has a built-in printer that displays both the classical titration curve as well as the first derivative, data, results, and calculations. All parameters, calculations, and sample information can be easily programmed by the user. Demonstration files stored in permanent memory contain parameters for common titration methods. The demonstration files can be loaded into active memory or used directly, or can be simply amended by the operator for customised titration methods. The model GT-06 can automatically operate up to four burettes, and connect to a balance, a sample changer, a full-size graphics printer, or a solvent dispenser. Near UV-VIS spectrophotometer The model S 500 near UV-VIS spectrophotometer measures wavelengths between 330 and 900 nm. The unit has a microprocessor and features: automatic adjustment of monchromator; software for reading transmittance, absorbance, multistandard concentration, kinetics, and spectrum; and storage of analytical methods. The instrument has a cell compartment for cells 10 to 40 mm long and can be equipped with a variety of accessories including a funnel flow-through cell, a 30 1 flowthrough cell, and a graphic printer.

PC-controlled spectrophotometer
The model S.1000PC UV-VIS spectrophotometer features a monochromator that is directly controlled by a PC. The instrument has a language that combines spectrophotometer controlling commands with general microcomputer language instruction.
The basic software incorporates a comprehensive set of instructions.
The instrument can be used as an online monitor and automated for drug dissolution testing, or an integrator detector for chromatography. Secomam (as above).

Spectrophotometer
The PRIM.C features original grating optics, wide wavelength range, and chopped optics to prevent drifting of zero ofT. Advanced electronics feature automatic zero and extended software programs. Switching the power supply reduces overheating and allows independent battery operation. The keyboard and menus are shown on LED display for easy selection of absorbance, transmittance, concentration, and kinetics modes. The unit also features a wavelength range of 330-990 nm. Secomam (as above).