Overview
Model 4520G atomic absorption spectrophotometer adopts deuterium lamp withholding background technology to provide reliable assurance for quantitative analysis of elements. The use of single interface multi-functional window design, reducing the work of analysts. Graphite furnace using the domestic advanced GFTV visual system, to achieve automatic feeder system instrument plus with hydride system.
Features
◆ four lamp positions, six lamp positions, eight lamp positions optional (optional high performance element lamp), automatic three-dimensional switching, energy balance, simultaneous preheating of multiple lamp positions to save waiting time, with deuterium lamp withholding background and self-absorbing withholding background function.
◆ Unique integrated design of flame atomizer and graphite furnace atomizer, realizing dual modes of automatic switching and manual switching.
◆ Automatic optimization memory function of instrument setting conditions, one-key completion of scanning peak search and energy balance.
◆ The data report can be saved in multiple formats and printed out, which is convenient for data inquiry and comparison.
◆ The instrument software adopts single interface multi-functional window design, which makes the operation simpler, monitors data changes in real time, supports mainstream Windows operating system, supports remote control and calibration, Chinese/English version is optional, and has total quality control (QC) function.
◆ Advanced and reliable multiple safety protection system, automatic detection, alarm, such as insufficient pressure, gas leakage, flameout and other abnormal conditions.
◆ Domestic advanced graphite furnace GFTV visualization system with CCD camera for real-time monitoring of graphite furnace atomizer to extend the service life of graphite tubes.
◆ The autosampler system can be realized, with automatic configuration of standard curve, automatic dilution and high precision injection.
◆ Expandable: hydride system and coupling function.
◆ With automatic on-line detection function.
Technical Parameter
Wavelength range ：185nm-900nm
Monochromator: Czerny-Turner enhanced type
Grating inscription density: 1800 strips/mm
Spectral bandwidth: 0nm, 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm multi-speed automatic switching
Wavelength accuracy: ≤±0.1nm
Repeatability of wavelength: ≤±0.025nm
Baseline drift: 0.003ABS/30min (static) 0.005ABS/15min (dynamic)
Resolution: copper lamp 324.7nm wavelength, 0.2nm bandwidth, half-width 0.2nm ± ± 0.01nm
Detector: Japan Hamamatsu photomultiplier tube
Elemental lamp holder: Turret type fully automatic switching lamp holder
Flame atomization system
Detection limit: (Cu) 0.006μg/mL
Burner: 0.5mm×100mm full titanium burner
Repeatability: RSD≤0.7%
Nebulizer: metal jacketed high-efficiency glass nebulizer
Atomization chamber: corrosion-resistant all-plastic atomization chamber
Safety measures: with a variety of automatic safety protection features
Position adjustment: the best height of the flame burner and the front and rear position are automatically set
Graphite furnace atomization system
Detection limit (Cd): 1.5pg Precision: ≤3% Heating temperature range: room temperature ~ 3000 ℃
Heating temperature control mode: dry ashing stage power control mode, atomization stage using light control maximum power mode
Temperature control accuracy: 1% Temperature rise rate: 2000℃/sec
Heating condition setting: 11 steps, ramp temperature, step temperature, maximum power temperature, temperature monitoring and countermeasure system
Safety protection: air pressure system, cooling system failure protection, to achieve power monitoring
Deuterium lamp background correction: 1ABS at ≥ 60 times self-absorption background correction: 1ABS at ≥ 60 times
Data processing
Measurement method: air-acetylene flame method, graphite furnace method
Data processing: linear regression method to automatically fit the working curve, automatically calculate the results
Repeated measurements: 1 to 99 times, repeated measurements to calculate the average value, automatically give the standard deviation and relative standard deviation
Result output: multi-format data storage and printout
Communication interface: standard RS232, USB extension interface
Autosampler system: optional 85-bit autosampler Automatic configuration of standard curve, automatic dilution, high precision injection
Visualization system: optional GFTV visualization system, graphite furnace video acquisition system
Function expansion: Hydride system
Application & Industries
Widely used in geology, metallurgy, medicine, chemical, petroleum, agriculture, animal husbandry, cement, printed circuit board, environmental protection, commodity inspection and other industries.
Matching Products
* Hollow cathode lamp
* Graphite furnace atomization system
* Flame atomization system
* Microwave digestion instrument
* Ultrapure water machine.
Packing & Shipping
1. Standard export wooden case with high quality cushioning material ensure the item arrive customer in good condition.
2. Carefully check every packing detail before delivery to avoid any troubles during the transportation.
3. Appointed logistics company could be used according to customers demands.
4. Do our best to make sure customer can get their goods in time.
After-Sales Service
1. One years’ warranty supported by product experts
2. AMC, post warranty, 24H/7D response
3. Lifetime’s spare parts supply for our products
4. Long term distribution partners worldwide ensure individual on-site customer consultation and service.
Contact Us
For details please contact us via email: sales@changior.com, we will reply to you as soon as possible.
