Technical parameters:

flame analysis
Characteristic concentration (Cu): 0.02ug/ml/1%
Detection limit (Cu): 0.005ug/ml
Precision: RSD ≤ 0.5%
Burner: Metal titanium burner (100mm)
Spray: high-efficiency glass atomizer/high-efficiency ceramic atomizer
Atomization chamber: corrosion-resistant material atomization chamber
Position adjustment: Automatic height adjustment of flame burner
Safety measures: gas leakage, air under pressure, abnormal fire extinguishing, automatic alarm and safety protection without water seal, automatic pressure relief in the dance room, air normally open
Graphite furnace analysis
Flame/graphite furnace automatic switching independent graphite furnace system, no need to switch
Characteristic quantity (Cd): ≤ 0.4pg
Detection limit (Cd): ≤ 0.5pg
Precision: RSD ≤ 2% for cadmium Cd and copper Cu
Atomization heating methods: light control, time control, general heating
Heating range: room temperature -3000? C
Maximum heating rate: 2000? C/s
Safety measures: cooling water flow rate, protective gas pressure, furnace temperature, automatic alarm and safety protection for graphite tube installation
Background correction
Deuterium lamp background correction automatic optical balance, correction capability ≥ 50 times (1Abs)
Self suction background correction intelligent balance, correction ability ≥ 100 times (1Abs), correction ability ≥ 80 times (2Abs), can correct background error of 2A or more ≤ 2%

Graphite furnace automatic sampler
Sample grade: 87 pieces
Standard cup volume: 2 ml sample, 6 ml improver
Number of matrix modifiers: 3 types
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 curves; Fully intelligent automatic dilution; Repeated injection enrichment and thermal injection; Automated residual removal eliminates cross contamination, while continuously inhaling air of different volumes controlled by a microcomputer for isolation, preventing contamination of the original solution; Intelligent adjustment of sampling and injection depth and speed.
data processing
Concentration calculation method: Standard curve method (6 linear or nonlinear curves)
Standard Addition
Interpolation method
Repeated measurement times: 1-30 times
Calculate the mean using mathematical statistics and provide the standard deviation and relative standard deviation,
Simultaneously provide both absorbance and concentration statistical results
Other features
Instrument settings: One click completion of all instrument parameters and calculation parameter settings
Three working modes: user-defined method invocation, continuation of last measurement, manufacturer recommended method
Element switching: Fast switching without optical error
Optional accessory hydride generator, circulating cooling water heater

Main features:

spectroscopic system
Optical system: C-T type aberration correction

Optical path system: single/double beam
Wavelength range: 190.0-900nm automatic adjustment
Wavelength accuracy: ± 0.20nm (automatically calibrated by the system)
Wavelength repeatability: ± 0.05nm
Spectral bandwidth: 0.1, 0.2, 0.4, 0.7, 1.4, 2.0nm automatic switching
Resolution: 0.1nm can distinguish manganese trilinear (peak valley ≤ 25% for 279.5nm and 279.8nm lines)
Baseline drift:

Static (Cu) ± 0.003Abs/30min
Dynamic (Cu) ± 0.003Abs/30min
Lamp stand specifications: 8 lamp stands with automatic positioning and 3D automatic adjustment