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Chemical Cosmetic Flame Atomic Absorption Spectrometry Hollow cathode lamps
Specifications:
| Mainframe | |
| Model: | AA-1800 series |
| Light Source: | ≤6 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: | 180nm-900nm |
| Automatically peak find,a key opticaloptimization function | |
| Wavelength Accuracy: | ≤0.15nm |
| Wavelength Repeatability: | ±0.1nm |
| Spectral Bandwidth: | 0.1nm,0.2nm,0.4nm,1.0nm,2.0nm |
| (5 steps with automatic changeover) | |
| Baseline Stability: | ≤±0.002A/30 min (Static) |
| ≤±0.005A/30min (Dynamic) | |
| Absorbance Range: | 0-4A |
| Detector: | imported photomultiplier tube |
| Flame Analytical System | |
| 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: | 0.5 × 10-12g (Cd) |
| Detection Limit: | 0.4 × 10-12g (Cd) |
| Precision: | RSD≤3% |
| The Cooling Water: | can choose cooling water circulation system |
| Safety: | the graphite tube damage, water flow |
| air pressure and other alarmtemperature overheating protection | |
| Autosampler Graphite Furnace | |
| Sample Tray: | 70 sample cups, 6 reagent cup |
| Sample Volume: | 1-100μl |
| The Smallest Lincrement: | 0.1 μl |
| The Volume of Sample | better than 1%(at the time of 10mL-100mL) |
| Repeatability Volume | |
| Repeated Sampling Frequency: | up to 99 Times |
| Cleaning and Waste | each 500mL |
| Container Volume | |
Applications:
AA-1800H atomic absorption spectrophotometer is now widely used in scientific research,quality control,
disease control, environmental protection, metallurgy, agriculture,chemical industry .Hardware and
software design of innovation to ensure the accuracy,safety, ease of use in the analysis of samples,
equipment maintenance, simple and convenient
Competitive Advantage:
| 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 6 socket configuration six independent lamp power supply, can be respectively preheating |
| 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 |
| 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 |
| 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 six 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 |
| 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 |
| 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 |
| 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 |
| Background correction system |
| Using 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 lampand prolongs the service life, has excellent stability. lamp background signalfor 1A, background correction ability > 50 times |
| 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. In the case of power failure, misoperation, acetylene leakage, the system will automatically start the safetyprotection function |
| Automatic sampler |
| Integrative design of graphite furnace, using high precision syringe, lowest in 0.5μl samples, with intelligent online dilution and concentration function |
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