AA Series

AA 7804 Graphite Furnace Spectrometer

Graphite furnace atomic absorption spectrometer with a Czerny-Turner monochromator, a 1800 lines/mm holographic grating and a 190-900 nm wavelength range.

Model AA 7804 Category Atomic Absorption Spectrometer In production
  • Comprehensive and safe intelligent gas control module.
  • Excellent full band deuterium lamp background correction technology and high-performance self absorption double background correction.
  • Fully automatic instrument control, light source supports high-performance element lamp, and can be completed quickly with one key.
  • Original lamp position eight lamp holder 360 degree rotation design.
  • Novel atomizer and intelligent elevator.
AA 7804 core specifications
Optical System Single Beam
Monochromator Czerny-Turner type, focal lengths at 350mm
Grating Holographic diffraction with 1800 lines/mm
Wavelength Range 190-900 nm
Slits Automated slit selection 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm
Wavelength Repeatability ±0.1nm
Wavelength Accuracy ±0.3 nm
Lamp Automated 4-lamp turret
Reading Mode T, A, C
Photometric Range 0-125%, -0.1-3.00A
Static Baseline Drift (Cu) ≤0.004A/30 min
Dynamic Baseline Drift (Cu) ≤0.006A/15 min
Background Correction Deuterium (D2) Background Correction
Graphite Furnace · Characteristic Amount Cd≤1pg, Cu≤22pg
Graphite Furnace · Detection Limit (Cu) Cd≤1.5pg, Cu≤20pg
Graphite Furnace · Repeatability (Cu) RSD≤4%
Graphite Furnace · Heating range Room temperature-3000 °C
Graphite Furnace · High power heating range 1500-3000 °C
Graphite Furnace · Slope and holding time 1-255s
Graphite Furnace · Heating rate Maximum heating rate 2000 °C/s
Graphite Furnace · Atomization heating mode Light-controlled heating, Time-controlled heating, General heating
Graphite Furnace · Outer protective gas flow 1 L/min
Graphite Furnace · Inner protective gas flow 4-speed adjustable (0, 50, 200, 250/min flow)
Graphite Furnace · Safety Protection Cooling water flow, Protective gas pressure, Furnace body temperature, Power supply temperature, Graphite furnace installation alarm
Auto Sampler Optional
Data Processing · Measuring method Graphite furnace method, Hydride generation-Atomic absorption method
Data Processing · Concentration calculation method Standard curve method (6 linear/non-linear fitting methods), Standard addition method, Interpolation method
Data Processing · Repeat measurement times 1-30 times, Calculate and give the average value of absorbance/concentration, standard deviation and relative standard deviation
Data Processing · Report printing Parameter printing, Data result printing
Dimensions / Weight 850 x 650 x 550 mm/95kg
Ambient Temp. 10 ~ 35 °C
Ambient Humidity ≦85 %
Power 110/220V, 50/60Hz

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Overview

What this instrument is designed to do, in plain terms.

AA

  • Excellent total reflection optical system ensures excellent signal-to-noise ratio of the instrument.
  • Comprehensive and safe intelligent gas control module.
  • Excellent full band deuterium lamp background correction technology and high-performance self absorption double background correction.
  • Fully automatic instrument control, light source supports high-performance element lamp, and can be completed quickly with one key.
  • Original lamp position eight lamp holder 360 degree rotation design.
  • Novel atomizer and intelligent elevator.
  • Simple, professional, automatic and fully operated RG WIN AAS workstation software under MS window system.

Accessaries

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Standard Accessaries

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Optional Accessaries

  • Auto sampler
Specifications can depend on the selected configuration. Confirm the current datasheet, accessories and software version before purchase.

Product documentation

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