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 6 socket configuration
six independent lamp power supply, can be
respectively preheating
Polymer materials corrosion spray chamber, acid and alkali
resistance, includinghydrofluoric acid, either organic or inorganic
solution can be the highest sensitivity andstability
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
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
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
Technical parameters:
1.1 Optical Splitting System
1.1.1 Grating Line Density:≥1800 bars/mm.
1.1.2 Grating Effective Engraving Area: ≥50 x 50 mm².
1.1.3 Wavelength Coverage:190-900nm.
1.1.4 Spectral Bandwidth :0.1,0.2,0.4,1.0,2.0nm Five gears are
automatically adjustable,Automatically set wavelength slit width
and energy.
1.1.5 Wavelength Accuracy:≤0.15nm, wavelength repeatability :
±0.1nm.
1.1.6 Baseline Drift :static state≤±0.002A/30min,dynamic
state≤±0.005A/30min.
1.1.7 Instrument Spectral Resolution Capability: distinguishable
279.5nm和279.8nm Manganese double line,And when the spectral
pass-band is 0.2nm / mm,Peak-valley energy between two lines ≤30%.
1.1.8 Light Source:Six lights automatic switching turret, automatic
collimation.
1.1.9 Lamp Current Setting:0-30mA, Automatic computer setting.
1.1.10 *High Performance Power Supply:Built-in high-performance
lamp double cathode power supply,For some spectral line
interference and unstable elements,Can provide the stability and
sensitivity of the machine testing;(Color pages and software
screenshots should be provided as evidence)
1.2 Flame atomizer
1.2.1 * Characteristic Concentration (Cu):0.015μg/mL/1%.
1.2.2 * Detection Limit (Cu):0.002μg/mL.
1.2.3 * Precision :RSD≤0.5%.
1.2.4 Combustion Head:Metal titanium combustion haed,50mm或100mm
Universal combustion head.
1.2.5 Atomizer:Pt-Ir capillary tube,Teflon nozzle,Ceramic impact
ball(Can be used for hydrofluoric acid)..Atomizer Chamber
:Explosion-proof-type corrosion-resistant material atomization
chamber.
1.2.6 Ignition Mode:Microcomputer control, automatic ignition.
1.2.7 Gas Control :Fully automatic gas control system.
1.2.8 Regulatory System :Automatic PC control of flame / graphite
furnace automatic switch,And automatically optimized.
1.2.9 safety protection:With the automatic security protection
function,anti-backfire automatic gas path protection, acetylene
leakage alarm, automatic shutdown system, automatic power off in
case of abnormality.
1.3 Background Correction :
1.3.1 Flame:Deuterium lamp + self-priming background
correction:Correction of the 1A background.
1.4 Data Processing
1.4.1 Measurement Method:Flame method,Hydrogen Method.
1.4.2 Concentration Calculation Method:Standard curve method (1~3
curves),Automatic fitting,standard addition method.
1.4.3 Number Repeated Measurements:1-99 times, calculate the mean
value, give the standard deviation and the relative standard
deviation.
