SP-3803AA Atomic Absorption Spectrophotometer Features
Spectroscopic system
Optical system: Aberration C-T type
Optical path system: single/double beam
Wavelength range: 190.0-900nm automatic adjustment
Wavelength accuracy: ±0.20nm (system automatic correction)
Wavelength repeatability: ±0.05nm
Spectral bandwidth: 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm automatic switching
Resolution: 0.1nm can distinguish manganese three lines (279.5 nm and 279.8nm line peaks and valleys ≤ 25%)
Baseline drift:
Static (Cu) ±0.003Abs/30min
Dynamic (Cu) ±0.003Abs/30min
Light frame specifications: 8 light frame automatic positioning, 3D automatic adjustment Technical Parameters
Flame analysis
Characteristic concentration (Cu): 0.02 ug/ml/1%
Detection limit (Cu): 0.005ug/ml
Precision: RSD≤0.5%
Burner: Metal Titanium Burner (100mm)
Sprayer: High efficiency glass atomizer / high efficiency ceramic atomizer
Spray chamber: Corrosion resistant material spray chamber
Position adjustment: Automatic height adjustment of flame burner
Safety measures: Gas leakage, under-pressure of air, abnormal fire extinguishing, automatic alarm and automatic safety protection without water seal, automatic pressure relief in the dance room, air normally open
Graphite furnace analysis
Flame/graphite furnace automatically switches independent graphite furnace system without switching
Characteristic quantity (Cd): ≤0.4pg
Detection limit (Cd): ≤0.5pg
Precision: cadmium Cd, copper Cu RSD ≤ 2%
Atomization heating method: light control, time control, general heating
Heating range: room temperature -3000?C
Maximum heating rate: 2000? C / s
Safety measures: cooling water flow, protective gas pressure, furnace temperature, automatic alarm and safety protection for graphite tube installation
Background correction
Xenon background correction Automatic optical balance, correction ability ≥ 50 times (1Abs)
Self-priming background correction Intelligent balance, correction ability ≥100 times (1Abs), ≥80 times or more correction ability (2Abs) can correct the buckle background error of 2A or more ≤2%
Graphite Furnace Autosampler
Sample position: 87
Standard cup volume: 2 ml sample, 6 ml improver
Number of matrix modifiers: 3
Syringe injection system: 500 ul
Injection volume: 1 - 100 ul
Injection accuracy: ±0.2 ul
Function: Automatically add matrix improver; automatically configure and establish calibration curve; fully intelligent automatic dilution; multiple repeated injection enrichment and hot injection; automatic de-disintegration, eliminate cross-contamination, and continuous inhalation of air by different volumes controlled by microcomputer Isolation prevents contamination of the stock solution; intelligently adjusts the depth and speed of sampling and injection.
data processing
Concentration calculation method: Standard curve method (6 linear or nonlinear curves)
Standard addition method
Interpolation
Repeat measurement times: 1-30 times
Mathematical statistics calculate the average value, giving the standard deviation and relative standard deviation,
At the same time, two statistical results of absorbance and concentration are given.
Other features
Instrument Setup: Complete all instrument parameters and calculation parameter settings with one click
Three working modes: user-defined method call, continue last measurement, manufacturer recommendation method
Element switching: no optical error fast switching
Optional accessories Hydride generator, circulating water cooler
Features
Spectroscopic system
Optical system: Aberration C-T type
Optical path system: single/double beam
Wavelength range: 190.0-900nm automatic adjustment
Wavelength accuracy: ±0.20nm (system automatic correction)
Wavelength repeatability: ±0.05nm
Spectral bandwidth: 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm automatic switching
Resolution: 0.1nm can distinguish manganese three lines (279.5 nm and 279.8nm line peaks and valleys ≤ 25%)
Baseline drift:
Static (Cu) ±0.003Abs/30min
Dynamic (Cu) ±0.003Abs/30min
Light frame specifications: 8 light frame automatic positioning, 3D automatic adjustment
