Macylab Instruments Inc.
Macylab Instruments Inc. Technology - because you change
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AA-1800EL Atomic Absorption Spectrophotometer
Advantage of AA-1800EL
| High sensitivity detector is used for real-time monitoring of acetylene leakage. |
| High precision pressure sensor is used to monitor acetylene pressure in real time. |
| High precision pressure sensor is used to monitor the air pressure of acetylene pressure. |
| The micro switch and fire latch are used to monitor the status of combustion head. |
| The photosensitive diode is used to monitor the flame state in real time. |
Main features
1.High precision automatic optical system
1800 / mm reticle (dispersion rate) large area grating monochromator, a new type self collimation, all lenses are quartz coating, the detection range and the stability of optical broad to ensure the precision of analysis. Automatic 8 socket configuration 8 independent lamp power supply, can be respectively preheating
2.Polymer spray chamber
Polymer materials corrosion spray chamber, acid and alkali resistance, includinghydrofluoric acid, either organic or inorganic solution can be the highest sensitivity andstability
3.Titanium burner
Titanium burner, the optional 50mm and 100mm burner, air cooling pre mixed type,corrosion resistant, resistant to high salt, greatly improve the analysis efficiency andaccuracy of the flame
4.Automatic analysis
It can automatically accomplish safety ignition, extinction and switching, reliable structure,low fault rate, thus ensuring the sensitivity and reproducibility of the flame method.
The light source system 8 lamp automatic conversion, can be directly used high performance hollow cathode lamp, improve the sensitivity analysis of the flame, the automatic adjustment of the power supply parameters and the beam position, automaticwavelength scanning and searching peak
5.Software function
High intelligent software, powerful function, friendly interface English operation.Automatic instruments and additional control, flame, graphite furnace operating mode can be switched automatically, automatic optimization, automatic dilution; mouse operation, automatic setup menu data and correction method
6.Graphite furnace temperature control
Gas dual temperature control inside and outside, 20 order linear or nonlinear heating, to ensure that the measured elements has the highest sensitivity; furnaceenriched up to 20 times, the longitudinal optically monitoring the graphite tube wall temperature, maximum temperature to 3000 degrees centigrade.
7.High technology index
AA-1800 atomic absorption spectrophotometer elements testsensitivity meet international best level,sensitivity of less than or equal to0.015μg/mL/1%; baseline drift is less than 0.003Abs/30m, the stability is better than 0.005Abs/4h
8.Background correction system
Using deuterium hollow cathode lamp advanced and self absorption background deduction of background correction, to eliminate the interference of molecular absorption of low content determination, reducing the noise emission of deuterium lampand prolongs the service life, has excellent stability. Deuterium lamp background signalfor 1A,
background correction ability > 60 times
9.Intelligent analysis
Greart intelligence, humanized design, flame and graphite furnace atomizer automatic switching, automatic optimization of graphite furnace atomizer, automatically set the flame height adjustment, automatic ignition, automatic optimization of the horizontal position, system automatically sets the gas flow.
10.Automatic sampler
Integrative design of graphite furnace, using high precision syringe, lowest in 0.5μl samples, with intelligent online dilution and concentration function.
Technical parameters
Mainframe
Light Source
≤8 lamps automatic turret, automatic alignment
Power Supply
110/220V (+5% ~ -10%), 60/50Hz; 5000VA
Lamp Current
pulsed power supply
Optical System
large 1800 /mm grating ruling, full closed optical system
Wavelength Range
185nm-900nm Automatically peak find,a key opticaloptimization function
Wavelength Accuracy
±0.15nm
Wavelength Repeatability
<0.1nm
Spectral Bandwidth
0.1,0.2,0.4,0.7,1.0,1.4,2.0nm (7 steps with automatic changeover)
Baseline Stability
≤±0.002A/30 min (Static) ≤±0.004A/30min (Dynamic)
Absorbance Range
0-4A
Flame Analytical System
| Detector | imported photomultiplier tube |
| Burner Head | full titanium combustion head, 50mm or 100mm generalcombustion head |
| Atomization Chamber | polymer explosion-proof spray chamber |
| Nebulizer | atomizer efficient glass atomizer, can also be customized |
| Ignition Type | microcomputer control, automatic ignition |
| Gas Control | automatic gas control system |
| Detection Limits(Cu) | 0.002μg/mL |
| Precision | RSD≤0.5% |
Graphite Furnace Analytical System
| Heating Mode | vertical heating |
| Temperature Control Method | vertical optical temperature monitoring graphite tube wall temperature |
| Temperature Range | room temperature to 3000ºC |
| The Program | automatic temperature control up to 20 order |
| Temperature Control | the furnace enriched up to 20 times |
| Characteristics Volume | 0.4 × 10-12g (Cd) |
| Detection Limit | 0.4 × 10-12g (Cd) |
| Precision | RSD≤2% |
| The Cooling Water | can choose cooling water circulation system |
| Safety | the graphite tube damage, water flow air pressure and other alarmtemperature overheating protection |
Exhibitions