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.