Product Description
Product Description
BNAAS-A3081G Atomic Absorption Spectrometer spectrophotometer ·Product DiscriptionWA3081 has broken the bottlenecks of the domestic high-end products in deuterium lamp background subtraction technique and supports the reliable assurance for the elements analysis. It adopts the expert database information system workstation software which can provide fast and accurate detection information and methods to reduce the working difficulty of users.·Product Features1. The high automation function greatly meets the requirements of users.1.1 The structure designation of integrated flame atomizer and graphite furnace atomizer realizes the auto-switching between them.1.2 The lamps can auto switch the turret, auto adjust the power and optimize beam position.1.3 It can preset and optimize the working condition of the hollow cathode lamp so that convenient to detect multi elements.1.4 Automatic setting for flow, auto-ignition and flameout automatic protection.1.5 Automatic adjustment for negative high-voltage and lamp current.1.6 Automatic setting for the best flame height and atomizer position, while select the best analyzing conditions and make sure the analysis results reliable.1.7 Automatic switching of spectrum bandwidth, 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for option.1.8 Automatic control for wavelength scanning and peak searching.1.9 The automatic injector is easy to operate with high accuracy, automatic control, remote monitoring and can operate without manual monitoring, thereby improving the working efficiency and reducing the operation error.2. The reliable safety protection system protects the operators safety all-round.2.1 Reliable position identify.2.2 Real-time monitoring for flame2.3 Acetylene leak protection system2.4 Real-time monitoring for abnormal pressure2.5 Emergency brake button for accidents3. Advanced circuit design.3.1 Adopting large-scale programmable logic arrays3.2 12C bus technique of chips3.3 Brand outlets and electrical connectors with high reliability and quality. ·Technical Parameter Optical systemWavelength range190nm-900nmMonochromatorC-T type of eliminating aberration monochromatorDispersion elementsPlane diffraction grating,1800 lines/mm,indented area(40×40)mm2Spectral bandwidth0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm for optionWavelength precisionThe whole waveband is better than ±0.15nmWavelength repeatabilityThe whole waveband is <0.10nmResolutionCopper lamp 324.7nm0.2nm and bandwidth deviation within ±0.015nmBaseline drift0.004A/30minElement lamp holders Four lamps can auto-switch without manual-adjustmentDetectorsHigh sensitivity, wide spectral range photomultiplier tubeFlame Atomization System (FAS)Concentration(Cu)0.02ug/ml/1%LOQ (Cu)0.006ug/mlBurner100mm, single-slit titanium metal burner, which is air-cooled pre-mixed typePrecisionRSD≤0.8%SprayerHigh efficiency glass sprayerAtomization chamberCorrosion-resistant plastic atomization chamberPosition adjustmentThe auto-setting of flame burner height and positionSafety measuresVarious of automatic safety protection functionGraphite Atomization System (GAS)Characteristic statistic(Cd)0.5×10-12g LOQ (Cd)1.0×10-12gPrecisionRSD≤1.5% Heating range Room temperature~3000℃Heating operation methodsPower control method for dry ashing stage, max power light control for atomization stageTemperature control precision≤1%Heating rate>2000℃/sec.Heating condition settingUp to 11 programs, ramp heating , stage heating and max power heatingSafety protectionFunctions of argon undervoltage instruction, waterflow discharge cooling, overheating or overflow alarm and auto-protection.Background SubtractionBack subtraction of deuterium lamp1Ahour≥50timesData processingMeasuring methodAir-acetylene flame method and atomic absorption method for hydride generatorConcentration calculate methodStandard curve method(1~3 times curve), standard mixing methodRepeat measuring times1~20 times,repeatedly measure and calculate the average data and automatically get the standard deviation and relative deviation. Result printedParameter printed, data results printed and exported to Excel, graphics printed and summary report. Please send inquiry>> If you need any detail packing information, please contact us>> If you have any question, please contact us>>
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