The main feature
1. Precise automation
• 4 lamp holder light source automatically converts, automatically adjusts the power supply
• Automatically switch spectral bandwidth
• Automatic ignition
2. Perfect security protection
• Flame atomization system with gas leakage, abnormal flow, under-pressure of air, abnormal flameout alarm and automatic protection 3. Advanced circuit design
• Large-scale programmable logic array
• Inter IC Bus technology
• High reliability European socket, AMP and other electrical connectors 4. Convenient and practical BRAIC operating software
It is suitable for Chinese instrument operation and analysis application software of Win7/XP (32-bit) operating system, which realizes quick setting of instrument parameters, automatic alarm and protection of instrument safety, automatic display of test data, automatic calculation, automatic printing of analysis results.
The main technical parameters
Wavelength range:190 ~ 900nm
Wavelength accuracy:better than ±0.25nm
Resolution : The manganese double line (279.5nm and 279.8nm) is
separated by a spectral bandwidth of 0.2 nm. And the peak energy ratio is <25%
Baseline stability: ≤ 0.004 Abs / 30 min;
Air-acetylene flame : characteristic concentration Cu ≤ 0.025mg/L/1%, detection limit Cu≤0.006mg/L
Light source system
• 4 lamp holder automatic conversion
• Lamp current supply mode:400Hz square wave pulse
Optical system
• Monochromator type: Czerny-Turner type
• Raster line density: 1800 strips/mm
• Focal length: 277nm
• Shining wavelength: 250nm
• Spectral bandwidth: 0.1 0.2 0.4 1.2nm four-speed automatic switching
Atomic system
• Flame atomization system
Burner:10cm single seam all titanium burner
Spray chamber:Corrosion resistant plastic spray chamber
Sprayer:Metal sleeve high efficiency glass sprayer Aspirate 6~7mL/min
Detection and data processing system
• Detector
High sensitivity, wide spectral range photomultiplier tube detection.
• Data Processing System
Software environment : Win7/XP (32-bit) operating system, Chinese professional software
Analytical method:Automatically fit the working curve, standard addition
method, automatic correction sensitivity, automatic calculation of concentration, content
Repeat the test : 1~20 times, automatically calculate the average value, standard deviation, relative standard deviation
Multitasking function : enables sequential multi-element determination of the same sample
Conditional reading: with model function
Result Print : Print phase test data or final analysis report, can be edited using Excel software
Standard RS232:serial communication
Background correction system
Xenon background correction ≥ 30 times when the background absorbs 1Abs
Self-priming effect background correction ≥30 times when the background absorbs 1.8Abs
Functional expansion capability
Optional hydride generator for hydrogenation analysis
Dimensions and weight
Host 1020 (length) × 490 (width) × 540 (height) mm3 80Kg
Workstation
Computer:Lenovo computer: Core Duo/500G hard disk/2G memory /19" LCD color display
Printer:HP printer (A4 format)
Workstation software:All Chinese Win7/XP (32-bit) interface
Purpose use
Meet the analysis of low metal elements in various samples
Working conditions
1. The indoor ambient temperature is 15 °C ~ 30 °C; the relative humidity does not exceed 75%.
2. There is no strong magnetic field interference in the room; there is no vibration that hinders the normal operation of the instrument.
3. Indoor environment is clean, dry, no dust, no corrosive gases.
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