1. Product model

AA-1800C Six Lamp Stand Single Flame Atomic Absorption Spectrometer
AA-1800S Six Lamp Stand Single Graphite Furnace Atomic Absorption Spectrometer
AA-1800H six lamp holder flame graphite furnace integrated atomic absorption spectrometer

2. Product Introduction

The AA-1800 atomic absorption spectrometer is jointly developed by industry experts and well-known domestic universities, with decades of experience in the research and application of spectroscopic instruments. This product includes flame, graphite furnace, and hydride generation system, which can be configured with various accessories. The flexible configuration scheme can meet the needs of customers at different levels. The fully automatic and multifunctional AA-1800 atomic absorption spectrometer can perform complex sample analysis, and multiple analysis methods can be automatically switched to achieve unmanned and fully automatic analysis.
The AA-1800 atomic absorption spectrometer is widely used in industries such as scientific research, quality inspection, disease control, environmental protection, metallurgy, agriculture, forestry, and chemical engineering. The innovative software and hardware design ensures the accuracy, safety, and ease of use of sample analysis, and the instrument maintenance is simple and convenient.


3. Main features

High precision fully automated optical system
A large-area grating with a dispersion rate of 1800 lines per millimeter, a new self collimating monochromator, and all lenses are coated with quartz. The wide detection range and optical stability ensure the accuracy of analysis. Fully automatic 6-seater configuration with 6 independent lamp power supplies, which can be preheated separately;

Polymer atomization chamber
Polymer material corrosion-resistant atomization chamber, acid and alkali resistant, including hydrofluoric acid, can achieve good sensitivity and stability in both organic and inorganic solutions;

Titanium burner
Titanium burner, optional with 50mm and 100mm burners, air-cooled premixed type, corrosion-resistant, high salt resistant, greatly improving flame efficiency and flame analysis accuracy;

Fully automated analysis
It can automatically complete safe ignition, extinguishing, and switching, with a reliable structure and low failure rate, thereby ensuring the sensitivity and reproducibility of the flame method.
The six lamp position platform of the light source system automatically switches, allowing for the direct use of high-performance hollow cathode lamps, improving the sensitivity of flame analysis, automatically adjusting power supply parameters and beam positions, and fully automatic wavelength scanning and peak finding;

Graphite furnace temperature control
Dual temperature control of internal and external air, with a 20th order linear or nonlinear heating to ensure good sensitivity of the tested element; The furnace is enriched and concentrated for 20 times, and the temperature of the inner wall of the graphite tube is monitored by longitudinal light control. The highest temperature can be raised to 3000 ℃/s

High tech indicators
The element testing sensitivity of AA-1800 atomic absorption spectrometer has reached the advanced level in the industry, with a sensitivity of ≤ 0.015 μ g/mL/1%; The baseline drift is less than 0.003Abs/30m, and the stability is better than 0.005Abs/4h;

Background correction system
The use of deuterium hollow cathode lamp and self absorbing buckle background for background correction eliminates the interference of molecular absorption during low content determination, reduces the emission noise of deuterium lamp, prolongs its service life, and has good stability. When the background signal of the deuterium lamp is 1A, the background subtraction ability is greater than 50 times;

Intelligent analysis
Very intelligent and user-friendly design, automatic switching between flames and graphite furnace atomizers, automatic optimization of graphite furnace atomizers, automatic setting and adjustment of flame height, automatic ignition, automatic optimization of horizontal position, and system automatic setting of gas flow rate. In case of power outage, misoperation, acetylene leakage, etc., the system will automatically activate the safety protection function;

autosampler
Integrated design with graphite furnace, using high-precision injectors, capable of feeding a minimum of 0.5 μ l of sample, and equipped with intelligent online dilution and concentration functions.


4. Software functions

Powerful features
High intelligence software, powerful functions, and user-friendly Chinese operating interface. Fully automatic instrument and additional control, capable of automatic optimization and dilution; Mouse operation, automatic setting of menu data and calibration methods;
Measurement data can be dynamically displayed. The standard curve can achieve automatic fitting;
Accurate sample measurement: Using a guide to set up the sample is convenient and fast;
Sensitivity correction function: making the measurement results more accurate;

data sharing
Convenient and efficient data sharing
Data processing: data can be edited and saved;
Print output: Provide reports on single element and multi-element analysis; Print the measurement results and instrument conditions;
Data export: The data export function enables data sharing with other systems.

data processing
Measurement methods: flame method, graphite furnace method, hydride atomic absorption method
Concentration calculation method: standard curve method (1-3 degree curve), automatic fitting, standard addition method
Repeated measurement times: 1-99 times, calculate the average, provide standard deviation and relative standard deviation
Result printing: parameter printing, data result printing, graphic printing, can export WORD and EXCEL documents