4 models

AA 7800 Atomic Absorption Spectrometer

Four atomic absorption spectrometers from AA 7804 to AA 7828 sharing a Czerny-Turner monochromator, a 1800 lines/mm grating and a 190-900 nm range.

Documentation

Datasheets and manuals are issued per model and revision. Ask for the documents that match the configuration you are considering.

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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 7800 Atomic Absorption Spectrometer core specifications
Monochromator	Czerny-Turner type, focal lengths at 350mm
Grating	Holographic diffraction with 1800 lines/mm
Wavelength Range	190-900 nm

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Model comparison

AA 7800 Atomic Absorption Spectrometer range at a glance

Full specifications for every model in the series, side by side. Tell us the sample type and throughput you need and we will point to the closest configuration.

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AA 7800 Atomic Absorption Spectrometer — 4 models
Parameter	AA 7804	AA 7808	AA 7818	AA 7828
Optical System	Single Beam	Single Beam	Single Beam	Double Beam
Wavelength Repeatability	±0.1nm	±0.1 nm	±0.05 nm	±0.05 nm
Wavelength Accuracy	±0.3 nm	±0.2 nm	±0.15 nm	±0.15 nm
Lamp	Automated 4-lamp turret	Automated 8-lamp turret	Automated 8-lamp turret	Automated 8-lamp turret
Static Baseline Drift (Cu)	≤0.004A/30 min	≤0.003A/30 min	≤0.002A/30 min	≤0.002A/30 min
Dynamic Baseline Drift (Cu)	≤0.006A/15 min	≤0.005A/15 min	≤0.004A/15 min	≤0.004A/15 min
Background Correction	Deuterium (D2) Background Correction	Deuterium (D2) Background Correction	Deuterium (D2) Background Correction and Self-absorption Background Correction	Deuterium (D2) Background Correction and Self-absorption Background Correction
Flame · Characteristic Concentration	≤0.04ug/ml	≤0.035ug/ml	≤0.035ug/ml	≤0.035ug/ml
Flame · Detection Limit (Cu)	≤0.008ug/ml	≤0.006ug/ml	≤0.004ug/ml	≤0.004ug/ml
Flame · Repeatability (Cu)	RSD≤1%	RSD≤0.6%	RSD≤0.5%	RSD≤0.5%
Graphite Furnace · Characteristic Amount	Cd≤1pg, Cu≤22pg	Cd≤0.8pg, Cu≤20pg	Cd≤0.8pg, Cu≤20pg	Cd≤0.8pg, Cu≤20pg
Graphite Furnace · Detection Limit (Cu)	Cd≤1.5pg, Cu≤20pg	Cd≤1.0pg, Cu≤10pg	Cd≤0.8pg, Cu≤5pg	Cd≤0.8pg, Cu≤5pg
Graphite Furnace · Repeatability (Cu)	RSD≤4%	RSD≤3%	RSD≤2.5%	RSD≤2.5%

Overview

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

The AA 7800 Atomic Absorption Spectrometer covers 4 models, AA 7804 to AA 7828. The comparison table lists the values that differ across the range.

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.