AA-1800The Type A 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. Fully automatic and multifunctionalAA-1800The Type A atomic absorption spectrometer can perform complex sample analysis, and multiple analysis methods can be automatically switched to achieve unmanned and fully automated analysis.

AA-1800The Type A 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.

main features

High precision fully automated optical system

The dispersion rate is1800strip/Millimeter engraved large-area grating, new self collimating monochromator, all lenses are coated with quartz, and the wide detection range and optical stability ensure the accuracy of analysis. fully automatic8Lamp holder configuration8Independent lamp power supply, capable of preheating 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, optional50mmand100mmBurner, air-cooled premixed type, corrosion-resistant, high salt resistant, greatly improves 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 eight light position platform of the light source system automatically switches, allowing for the direct use of high-performance hollow cathode lamps to improve the sensitivity of flame analysis. It automatically adjusts power supply parameters and beam positions, and performs fully automatic wavelength scanning and peak searching;

Graphite furnace temperature control

Dual temperature control of internal and external air,20Linear or nonlinear heating ensures good sensitivity of the tested element; Enrichment and concentration in the furnace20Secondly, the temperature of the inner wall of the graphite tube is monitored by longitudinal light control, and the maximum temperature can be raised to3000℃/s.

High tech indicators

AA-1800The sensitivity of the atomic absorption spectrometer for element testing has reached an advanced level in the industry, with a sensitivity of ≤0.015μg/mL/1%Baseline drift is less than0.003Abs/30m, with better stability than0.005Abs/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. The background signal of deuterium lamp is1AWhen deducting background ability50Double;

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, with the lowest possible inlet0.5μlThe sample has intelligent online dilution and concentration functions.

FUNCTION

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.

Technical Parameter

host

model: AA-1800E

light source:Single element or multi-element hollow cathode lamp

lamp base:Eight lamp platform automatic switching, fully automatic collimation

lamp current:Pulse power supply

optical system:large area1800strip/mmGrating with engraved lines, fully enclosed optical system

wavelength range: 190-900nmAutomatically search for peaks, one click optical optimization function

wavelength accuracy:≤0.15nm

Wavelength Repeatability:±0.1nm

spectral bandwidth: zero point one、0.2、0.4、1.0、2.0nmAutomatic setting

baseline drift:Static ≤±0.002A/30Minutes, dynamic ≤±0.005A/30minute

Range of absorbance: 0-4A

detector:Imported photomultiplier tube

Flame system

combustion head:All titanium combustion head,50mmperhaps100mmUniversal combustion head

Atomization chamber:Polymer explosion-proof and anti-corrosion atomization chamber

atomizer:Efficient glass atomizer, also customizable

Ignition method:Microcomputer control, automatic ignition

gas control:Fully automatic gas control system

Characteristic Concentration: zero point zero one fiveμg/mL/1%（Cu）

detection limit: zero point zero zero twoμg/mL（Cu）

precision: RSD≤0.5%

safety:Multiple protective measures such as gas leakage alarm, automatic protection against backfire, and automatic power-off in case of abnormalities

Graphite furnace system

Heating method:longitudinal heating

temperature control:Longitudinal optical temperature control monitoring of graphite tube inner wall temperature

temperature range:Room temperature to3000℃

Program temperature control:Fully automatic temperature control20Stage, enrichment and concentration in the furnace20order

feature: zero point five×10-12g（Cd）

detection limit: zero point four×10-12g（Cd）

precision: RSD≤3%

cooling water:Optional cooling water circulation system

safety:Alarm for graphite tube damage, water flow rate, air pressure, etc; Overheating protection for water temperature

Graphite furnace automatic sampler (optional)

sample tray: one hundred and thirtySample cup,6Reagent cup

injection volume: 0.01-100μl

Minimum increment: zero point zero oneμl

Sample volume repeatability: 1%

Repeated injection times:up to99order

Cleaning container capacity: 500mL

Background correction

Deuterium lamp background correction:correctable1Abackground

Self suction background correction:correctable1Abackground

data processing

Measurement method:Flame method, graphite furnace method, hydride method-Aas

Concentration calculation method:Standard curve method（1～3Sub curve), automatic fitting, standard addition method

Repeated measurement times: 1-99Calculate the average, provide the standard deviation and relative standard deviation

Result printing:Parameter printing, data result printing, graphic printing, exportableWORD、EXCELdocument