Perkin Elmer AAnalyst 700
Objektnummer | B00014155 |
---|---|
Seriennummer | 014155 |
Nome oggetto | Perkin Elmer AAnalyst 700 |
Stato | Archiv |
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Firma: Perkin Elmer
The following illustrations and descriptions are referring to the instrument model and are drawn from brochures. They are not representing the delivery volume. The exact delivery content you will find only in the offering text.
The AAnalyst 700 Spectrometer System
Concept
The AAnalyst 700 spectrometer from Perkin-Eimer is a high performance atomic absorption spectrometer incorporating a burner system for flame atomization and a graphite furnace for electrothermal atomization. The spectrometer is capable of fully automatic single or multi-element analyses. The complete System is operated from the associated Computer using the AA WinLab software.
Features of the AAnalyst 700 System
Double-beam optical System optimized for maximum radiation throughput.
Two fully integrated atomizers: a burner system for flame atomization and a graphite furnace for electrothermal atomization. Atomizer changeover is automatic at the dick of a mouse button.
Longitudinally-heated graphite furnace featuring full Stabilized Temperature Platform Furnace (STPF) technology.
Deuterium background correction System.
Automated seif-optimization of the burner System.
High capacity furnace autosampler.
Easy-to-use AA WinLab software with which you control the spectrometer System. AA WinLab also incorporates a range of powerful quality control functions.
System components
The AAnalyst 700 is a compact benchtop spectrometer. The maj or components of the system are:
The spectrometer, containing the optical system, the electronics, and the atomizer compartment.
The bumer system, mounted an a carriage that can be driven into and out of the atomizer compartment by software command (see Burner design" in the Burner System User's Guide" for more information).
The graphite furnace, mounted an a carriage that can be driven into and out of the atomizer compartment by software command (see `Furnace design" in the `Graphite Furnace User's Guide" for more information).
The furnace autosampler, mounted an a swing arm in front of the atomizer compartment (see Autosampler design" in the `Graphite Furnace User's Guide" for more information).
The (optional) furnace cooling system (see `Cooling the furnace" in the `Graphite Furnace User's Guide" for more information).
The computer and the associated AA WinLab software.
The printer; this is optional but strongly recommended.
System control
To control the spectrometer and perform your analyses, you use the AA WinLab application program, which runs under the Microsoft Windows 95 operating system. The computer keyboard, the screen, and the mouse form the user interface.
When you switch an the spectrometer system it performs an initialization procedure to check the Instrument. While the spectrometer is operating, the control system continually monitors many Instrument functions. It generates appropriate messages when a problem occurs and prevents potentially hazardous situations from arising.
You can obtain more information about the application program in the AA WinLab online help.
Accessories
Perkin-Elmer offers autosamplers for operation with the bumer system, flow injection systems, diluters, and much more. Please contact your local PerkinElmer office to obtain more information.
The optical system
The AAnalyst 700 uses a double-beam optical system. Front-surfaced, reflecting optical components are used throughout. The mirror surfaces are coated with silica for durability.
The lamp compartment has positions for up to eight spectral sources. The radiation from the requested source lamp is reflected by a movable mirror into the optical path.
A beam splitter splits the radiation into a sample beam and a reference beam. The sample beam passes through the atomizer while the reference beam passes around the atomizer and is conducted by a Fiber optic. The sample and reference beams are measured simultaneously.
The Littrow-configuration monochromator has a large area reflecting grating blazed a two wavelengths; 236 nm for operation in the UV spectral range and 597 nm for operation in the visible spectral range. The monochromator offers a choice of three spectral slit widths. Two slit heights are available for each slit width. The high slits are used with the flame technique while the low slits are used with the graphite furnace technique. The detector is a segmented array of discrete photodiodes.
For continuum source background correction, the radiation from the deuterium lamp is merged with the source radiation at the beam splitter.
The gas and cooling connectors
Item Designation Function
Furnace Cooling
1 In Fitting for connection of the cooling water inlet hose to the
spectrometer.
2 Out Fitting for connection of the cooling water outlet hose from the
spectrometer.
Furnace Gases
3 Ar/N 2 Connector for the connection of the normal gas supply
Normal Gas to the furnace (argon or nitrogen).
4 Special Gas Connector for the connection of the special gas supply to the furnace.
If you are not using a special gas, you must also connect the normal
gas to this connector.
Burner Gases
5 Air/Luft Fitting for connection of the air supply to the spectrometer. The air
supply is required for the burner and also for the pneumatic system in
the spectrometer.
6 N 2 0 Fitting for connection of the nitrous oxide supply to the bumer.
7 C 2 H 2 Fitting for connection of the acetylene supply to the bumer.
The electrical connectors and switches
Connectors and controls an the rear panel
Item Designation Function
1 Instrument Socket for a real cable to an external Instrument to activate a real
cycle.
2 Communic. Socket for the communication cable connecting the spectrometer to the
computer.
3 Cooling Syst. Power outlet for the cooling system. Connect the -.230 V 50/60 Hz
cooling system to this socket.
Do not connect other equipment to this power outlet.
4 Power outlet for a printer.
5 Power outlet for a computer.
6 Power outlet for a monitor.
7 Circuit breaker. An automatic switch that prevents the system from
drawing too much current. It can also be used to isolate the
spectrometer system from the line power supply.
8 - Captive line power cord for the complete System.
9 F1 Fuse for the cooling System Power outlet; 4 A slowblow (T).
10 F2 Fuse for the Printer Power outlet; 4 A slow-blow (T).
11 F3 Fuse for the Computer Power outlet; 4 A slow-blow (T).
12 F4 Fuse for the monitor Power outlet; 4 A slow-blow (T).
Switches and ports an the front panel
Operational an/off switches
You normally switch the system an and off with the operational an/off switch an the front panel of the spectrometer.
The cooling system requires a 230 V line power supply, which is supplied and controlled from the spectrometer. A special line power Cord is provided for this purpose. Do not connect the cooling system to an external power source. You can leave the an/off switch an the cooling system in the `on" position since the system is controlled from the spectrometer.
Accessory ports
Three accessory ports are located an the front panel of the spectrometer behind slicte-up covers. You use these Ports to connect certain accessories to the spectrometer, such as the furnace autosampler or a diluter.
The ports provide the electrical supply and control signals for operation of the accessories.
Technical data
Principle
Atomic absorption spectrometer.
Computer controlled, using a special application program running under a graphical user interface.
Real-time double-beam, all-reflecting optical system.
Front-surfaced optics protected by a silica coating.
AC modulated spectral line sources.
Monochromator
Littrow conflguration grating monochromator.
Grating:
ruled area: 64 mm x 72 mm, 1800 lines/mm
blaze wavelengths: 236 nm and 597 nm
Focal length: 267 mm
Slit widths 0.2, 0.7 and 2.0 nm
Wavelength range: 190-870 nm
Reciprocal linear
dispersion: 1.6 nm/mm (nominal)
Detector
Segmented discrete solid-state detector with CMOS charge amplifler array; software-controlled automatic gain control (AGC).
Lamps
Line radiation sources. Positions for up to 8 lamps in lamp compartment. Single- and multi-element hollow cathode lamps (HCLs) and up to 4 electrodeless discharge lamps (EDLs) can be used.
Background correction
Continuum source (deuterium lamp).
Atomizers
Flame atomization: Premix bumer system with pneumatic nebulizer and interchangeable bumer heads; automatic changeover between air/acetylene and nitrous oxide/acetylene flames.
Electrothermal atomization: Longitudinally-heated graphite furnace.
Signal handling
Time average, peak average, peak height, peak area.
Measurement ranges:
absorbance: 0.5 to 2.000
concentration: 0.00001 to 9999 concentration units
expansion factor: 0.01 to 100
read time: 1 to 60 s
read delay: 0 to 60 s
Calibration
Automatic zeroing, resloping, and recalibration.
Calibration/recalibration using up to 15 calibration solutions (standards').
Calibration coefficients determined by a least squares procedure.
Analytical curve technique:
Linear with zero or non-zero intercept.
Non-linear, 2-coefficient, or 3-coefficient, zero or non-zero intercept.
Analyte addition technique:
Zero or non-zero intercept.
Additions calibrate (zero intercept)
Computer (minimum requirement)
PC with Intel Pentium processor, 16 MB RAM, CD-ROM drive.
Hard disk space: 30 MB minimum free for AA WinLab, Database and
GPIB software, additional space required for storing results and methods.
Microsoft Windows 95 operating system.
Perkin-Elmer offers a suitable PC for controlling the spectrometer system.
Application program
Special application program: AA WinLab.
Online help function.
Hard disk or floppy storage of measurement data, signals, and completed analytical methods.
Special Reporter, Reformatter, and Library Manager applications for generating data reports and reformatting data for export to other data handling programs.
Graphics
High resolution display of the signals.
Simultaneous display of the corrected analyte signal and the background signal.
Calibration curve display.
Storage and recall of transient absorbance signals.
Hard copy printout of screen graphics an an associated printer.
Power requirements
230 V single-phase, 50 Hz, power consumption 3600 VA,
requirements -or‑
240 V single-phase, 60 Hz, power consumption 3600 VA
Electrical protection
As defined in EN 61010-1-1993 (IEC 1010-1):
Insulation: Class: I
Insulation category (Overvoltage category): II
Pollution degree: 2
Safety and EMC standards
EN 61010-1-1993 (IEC 1010-1:1990 + Al, A2, modified).
EMC standards EN 61010-2-061:1996
Electromagnetic compatibility:
EN 61326-1:1997
Environmental requirements
Ambient temperature: +15 °C to +35 °C,
20-80% relative humidity; non-condensing
Dimensions
Width: 1095 mm with handles: 1220 mm
Height: 655 mm with door open: 865 mm
Depth: 700 mm with handles: 770 mm with
autosampler: 1040 mm
Mass (weight)
147 kg
Spectrometer alone, not including the computer, autosampler, and cooling system.
The Burner System
The burner System used in the spectrometer System is of the premix design. The measurement solution is sprayed by a pneumatic nebulizer into the spray chamber in the form of an aerosol. This aerosol is thoroughly premixed with the burner fuel and oxidant gares in the spray chamber. This gas mixture then passec through the burner slot into the flame.
The burner System is mounted an a carriage that can be driven into and out of the atomizer compartment by Software command. In this way you can change between flame atomization and electrothermal atomization easily within a few seconds.
The burner System comprises the following major components (see the Illustration below):
Nebulizer
Spray chamber with burner end cap and flow Spoiler
Burner head
Drain System (not shown)
Gas control System (incorporated in the spectrometer)
HGA Graphite Furnace
The HGA is a longitudinally-heated graphite furnace for electrothermal atomization in atomic absorption spectrometry. The furnace is electrically heated. The voltage is applied along the graphite tube, parallel to the radiation beam.
The graphite furnace is mounted an a carriage that can be driven into and out of the atomizer compartment by software command. In this way you can change between electrothermal atomization and flame atomization easily within a few seconds.
The power supply, system electronics, and the inert gas control pneumatics for the furnace are incorporated in the spectrometer. The electrical Gables and gas and water tubes to the furnace are led via a flexible conduit. The gas and electrical supplies for the furnace are controlled from the spectrometer.
Technical data
Graphite furnace
Principle Longitudinally-heated graphite furnace.
Temperature range Ambient temperature (20 °C) to 3000 °C,programmable in steps of 10°C.
Heating rate Programmable up to approx. 2000 °C/s (maximum power heating).
Gas Inert gas supply required for Operation (not provided); argon requirements recommended. A second, special gas can also be used.
Automatic gas shutdown when the furnace has been idle for 10 minutes. Pressure: 350-4-00 kPa (3.5-4 bar, 51-58 psig)
Gas flow: max. 1500 mL/min
Gas flows Intemal flow, selectable flowrates:
0, 50, 250 mL/min
External flow, flxed: 2 x 450 mL/min
Cooling Sediment-free tap water.
Water consumption: max. 2.5 L/min
Water pressure: max. 400 kPa (4 bar, 58 psig)
The use of the optional Recirculating Cooling System is recommended (see page 5-9 for the technical data).
Furnace program Up to twelve independent steps.
Parameters:
Isothermal temperature holding time: 0-99 s, in steps of 1 s Isothermal temperature: 20-3000 °C in steps of 10 °C
Heating rate: programmable, time-dependent or maximum power Intemal gas flow
Read delay
Read time
Safety features Automatic circuit breaker to prevent the furnace drawing too much current. Safety lock to prevent operation with the furnace open or with a defective tube.
Protection against overheating of the furnace or transformer.
Safety lock to prevent operation with low gas pressure.
The software continuously monitors the status of the system and informs the user of any Problems. If the user attempts to perform an action that could have serious consequences, suitable messages appear an the screen.
Power Integrated into the spectrometer; see the Technical Data for the
requirements spectrometer.
Electrical As defined in EN 61010-1-1993 (IEC 1010-1):
protection Insulation: Class I
I nsulation category (Overvoltage category): II
Pollution degree: 2
Safety and EMC As defined in EN 61010-1-1993 (IEC 1010-1: 1990 + Al + A2) and standards EN 61010-2-061:1996.
Electromagnetic compatibility: EN 61326-1:1997.
Environmental Ambient temperature: +15 °C to +35 °C
requirements 20-80% relative humidity; non-condensing
Cooling system
The recirculating cooling system is included with certain spectrometer systems and is offered as an option for others.
Principle Self priming recirculating system with fan-assisted heat exchanger.
Coolant 1:10 mixture of glycerine in deionized water or sediment-free drinking water.
Volume Approx. 5 L
Water Output: 36 °C ± 5 °C
temperature Inlet max: 90 °C
Fan cut-in temp: 40 °C
Flow 2,5 L/min
Air flow Approx. 400 m3/hour
Water pressure 300 kPa, (3 bar, 43 psig).
Pressure-sensitive safety switch shuts down the system if the internal pressure increases to above 650 kPa (6.5 bar, 95 psig).
Connections Reinforced hose, i.d. 8 mm; automatic connectors with integral shut-off valves.
Power 230 V, 50/60 Hz
requirements Power consumption: approx.140 VA
Dimensions Width:200 mm
Height:375 mm
Depth:500 mm
Mass (Weight) Approx. 18 kg with coolant.
Technical data
AS-800 Fumace Autosampler
Principle Random access fumace autosampler with programmable Sample volume. Can combine and dilute solutions automatically in the graphite tube and produce calibration solutions from a stock solution.
Control From the spectrometer's application program.
Sample trays Removable trays with 88 and 148 locations.
Rinsing A rinsing port is integrated with the sample table. This rinses the inside and outside of the pipet tip.
Minimum required 0.1 mL
sample volume
Pipetted volume Minimum: 1.011L; maximum: 99 µL.
For the best precision a minimum of 51.tL is recommended. Maximum = volume of one solution or the sum of individual solution volumes pipetted together; for example: [sample + matrix modifier + diluent + air bubble volumes]
Power requirem. The autosampler draws its Power from the spectrometer.
Safety and As defined in EN 61010-1-1993 (IEC 1010-1:1990 + Al + A2) and
EMC standards EN 61010-2-061:1996.
Electromagnetic compatibility: EN 61326-1:1997.
Environmental Arnbient temperature: +15 °C to +35 °C
requirements 20-80% relative humidity; non-condensing
Dimensions Dimensions without swing arm
Width:270 mm
Height:200 mm
Depth:340 mm
Mass (weight) approx. 7 kg including swing arm.
The Amalgam System
The Amalgam System is an accessory from Perkin-Elmer designed to measure mercury accurately and quickly using the amalgam technique.
You use it in conjunction with FIAS-200 and possibly an autosampler for measuring mercury with a greater sensitivity than is normally possible using the simple mercury/hydride technique.
Figure 1-1 shows the front panel of the Amalgam System, and a schematic diagram of the flow system, showing the relationship of the Amalgam System to FIAS-200 and the spectrometer.
The mercury in the sample is reduced in the Chemifold of FIAS-200 to atomic mercury vapour.
This is carried by a stream of inert gas out of the gas/liquid separator and into the Amalgam System.
The vapour first passes through the wash flask where soluble contaminants are removed, then through the drying tube to remove liquid droplets.
The mercury vapour is now relatively free of contaminants and flows over the gold/platinum gauze and combines - amalgamates - with the gold/platinum alloy quantitatively.
When enough mercury has been collected an the ganze, either from one sample or from many aliquots of a sample, it is all released at once by heating the gauze to approximately 600 °C.
An inert carrier gas stream takes the mercury to the quartz cell in the spectrometer where the quantity of mercury is measured.
Advantages of the new Amalgam System
* Using FIAS-200 and an autosampler, eg the AS-90, you can automate the whole procedure.
* You have complete control of all the steps from the system computer .
* You can use sodium borohydride or tin chloride as the reductant in FIAS-200.
* Using the amalgam technique you can avoid many of the problems of interference in the spectrometer that can occur with the normal mercury/hydride technique.
SPECIFICATION
THE AMALGAM SYSTEM
Principle A system for determining mercury using the amalgam technique.
Mode of The mercury is collected an a gold/platinum gauze. The gauze is then heated
Operation to release the mercury, which is carried to the spectrometer by a carrier gas.
Heating Two infrared lamps which heat the gauze to a temperature of approx. 600 °C.
Cooling Compressed air; pressure 320 - 400 kPa.
Carrier and Argon or nitrogen; pressure 320 - 400 kPa. Purge Gas
Flowrates Carrier - 75 mL/min
Purge - 300 mL/min
Power 105-125 V or 200-240 V, AC;
Requirements 50/60 Hz; 300 W.
Weight 8.5 kg.
Dimensions 240 x 240 x 240 (mm)
AS-70
SPECIFICATIONS
Sample trays Removable for quick change.
Sample tray capacity Locations for up to 40 sample cups. 1 additional container (for blank solution, for example).
Containers Up to 40 sample cups (depending an the number of reference solutions).
Option: up to 5 containers of 25 mL capacity (permitting up to 20 mL to be withdrawn) for matrix modifier or similar solutions.
Minimum sample requirement Approx. 0.1 mL
Dispensable sample volume 1 - 99 gL (AS-60) , 1 - 125 gL (AS-70) ,
selectable in increments of 1 µL.
Dispensable reagent volume 1 - 99 gL (AS-60) , 1 - 125 gL (AS-70) , selectable in increments of 1 µL.
Precision 5 µL 2% relative standard deviation
10 µL 2%
20 µL 1%
50 µL 0.5%
Accuracy 5 µL +/- 5%
10 µL +/- 5%
20 µL +/- 3%
50 µL +/- 2%
Maximum dispensable volume 125 gL (sum of indi.vidual solutions requested in a program step)
Rinsing volume 1.4 mL, fixed
Program start By soft key an the spectrometer keyboard.
Program stop Automatically after the last sample or at any preselected location, or manually via soft key an the spectrometer keyboard.
Power supply Via the HGA Power Unit.
Dimensions 280 mm wide x 200 mm high x 450 mm deep
(sample table assembly)
Weight (sample table ass.) Approx. 6 kg
AA WinLab
What You Need
Windows 95/NT or Windows 3.1x ?
In general AA WinLab Works best with Windows 957NT. For some Instruments you must use Windows 95/NT, for others you haue a choice. If possible we recommend that you use Windows 95/NT. The following table Shows which operating system you can use for which AA WinLab Instrument.
Instrument |
Windows 95/NT |
Windows 3.1x |
AAnalyst 600/7001800 |
Yes |
No |
SIMAA 6000 |
Recommended |
Yes |
FIMS |
Recommended |
Yes |
4110ZL |
Recommended |
Yes |
If you are installing an update, make sure that the computer has the correct specification for the new version of AA WinLab. The system requirements for Windows 95/NT and Windows 3.1x are shown an the pages that follow.
Firmware
The firmware is included with the AA WinLab software an the Installation disks. When you start AA WinLab for the first time, it automatically checks the firmware, and if necessary downloads the most recent version to the spectrometer. If you think there is a problein with the firmware or software, note the versions that are installed, then contact your local Perkin-Elmer office for further advice. To see the version numbers of the installed firmware and software:
1. Start the AA WinLab software.
2. In the Tools menu, click an Diagnostics.
3. On the Spectrometer, Furnace and FIAS pages you can see the firmware versions.
Computer system requirements for Windows 95/NT systems
To use AA WinLab v 3.1 with Windows 95 or Windows NT 4.0, you must have the following system components.
Windows 95: Minimum: Pentium, 90 MHz, 16 MB RAM
Windows NT 4.0: Minimum: Pentium MMX,166 MHz, 32 MB RAM Recommended: Pentium MVIX/Pentium II, 166 MHz, 32 MB RAM.
One bi-directional, parallel interface port.
CD-ROM drive, 1.44 MB, 3.5 inch floppy drive.
30 MB minimum free hard disk space for AA WinLab, database and GPIB software. Additional space is required for storing results and methods. Recommended: 1 GB hard disk.
Minimum: SVGA, 800x600, color graphics and a suitable monitor.
Recommended: 1064x768, color graphics and a 17 inch monitor.
Microsoft mouse or compatible mouse.
Windows-compatible professional printer. The following printers are known to work:
HP Deskjet 890 cxi
HP Laserjet 6L
Slot for a suitable GPIB IEEE card. This card and the correct GPIB software are provided with AA WinLab for new software installations.
Other software: AA WinLab and the Borland database engine are provided by Perkin-Elmer.
Note: If you are installing an update to AA WinLab, you must make sure that you have a suitable IEEE card. Make a note of the type of computer that you have and which IEEE card you have, then, call your Perkin-Elmer office for advice.
The IEEE card usually has a label an the mounting plate of the card. Look at the back of your computer; you may need to disconnect the IEEE cable to see the label.