Atomic Absorption Spectrophotometer

Product Item : ZY-AA704
Category： Products
Atomic Absorption Spectrophotometer
Product description：The atomic absorption spectrophotometer is fully PC-controlled. Optional graphite furnace, autosampler and hydride generator are available flexibly. A unique optical-mechanical design, a safe and conv
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Product Introduction

The atomic absorption spectrophotometer is fully PC-controlled. Optional graphite furnace, autosampler and hydride generator are available flexibly. A unique optical-mechanical design, a safe and convenient flame system, optional background correction technology, and convenient features provided by the workstation are ideal for your quest for automated and accurate test results.

Product Features

1. Excellent total reflection optical system ensures excellent signal-to-noise ratio of the instrument.

2. Comprehensive and safe intelligent gas control module.

3. Excellent full-band deuterium lamp background correction technology and high-performance self-absorption dual background correction.

4. Fully automatic instrument control, the light source supports high-performance element lights, and it can be completed quickly with one click.

5. 360-degree rotation design of the eight-lamp base in the original lamp position.

6. New atomizer and smart elevator.

7. Simple, professional, automatic, fully operational RG WIN AAS workstation software under Microsoft window system.

Technical Data

Model		AA 7804	AA 7808	AA 7818	AA 7828
Optical system		Single beam			Double beam
Monochromator		Czerny-Turner type with a focal length of 350 mm
Grating		Holographic diffraction with 1800 lines/mm
Wavelength range		190-900 nm
Slits		Automatic slit selection of 0.1, 0.2, 0.4, 0.7, 1.4, 2.0 nm
Wavelength repeatability		± 0.1 nm	±0.1nm	± 0.05 nm	±0.05 nm
Wavelength accuracy		± 0.3 nm	± 0.2 nm	± 0.15 nm	±0.15 nm
lamp		Automatic 4 lights turret	Automatic 8-light turret
Reading mode		T, A, C
Luminosity range		0-125%，-0.1-3.00A
Static baseline drift (Cu)		≤ 0.004A/30 minutes	≤ 0.003A/30 minutes	≤ 0.002A/30 minutes	≤0.002A/30 min
Dynamic baseline drift (Cu)		≤ 0.006A/15 minutes	≤ 0.005A/15 minutes	≤ 0.004A/15 minutes	≤0.004A/15 min
Background correction		Deuterium (D2) background correction		Deuterium (D2) background correction versus self-absorbing background correction
Flame	Characteristics: concentration	≤ 0.04ug/ml	≤ 0.035 μg/ml	≤0.035ug/ml	≤0.035ug/ml
	Limit of detection (Cu)	≤ 0.008ug/ml	≤ 0.006ug/ml	≤ 0.004ug/ml	≤0.004ug/ml
	Repeatability (Cu)	Rsd ≤ 1%	Rsd ≤ 0.6%	Rsd ≤ 0.5%	RSD≤0.5%
	Acetylene flow control	Automatic 12 levels
	Air-assisted control	Automatic 4 levels
	Ignition method	Computer control
	detector	Wide range UV-sensitive photomultiplier tube
	Burner head	Titanium 100 mm burner for air/acetylene operation
	Nebulizer	High efficiency glass atomizer
	Spray room	Corrosion-resistant material spraying chamber
	Safety	Automatically shut off gas in case of low pressure, power outage, stalling or burner mismatch
Graphite Furnace	Feature quantity	Cd≤ 1pg, Cu≤ 22pg	Cd≤ 0.8pg, Cu≤ 20pg	Cd≤0.8pg, Cu≤20pg
	Detection Limit (Cu)	Cd≤ 1.5pg, Cu≤ 20pg	Cd≤ 1.0pg, Cu≤ 10pg	Cd≤ 0.8pg, Cu≤ 5pg
	Repeatability (Cu)	Rsd ≤ 4%	Rsd ≤ 3%	Rsd ≤ 2.5%
	Heating range of graphite Furnace	Room temperature -3000 °C
	High power heating range	1500-3000℃
	Slope and hold time	1-255s
	Heating rate	Maximum heating rate: 2000 ℃/s
	Atomization heating mode	Light-controlled heating, time-controlled heating, general heating
	Protective gas flow	1 liter/minute
	External tubing	4-speed adjustable (0, 50, 200, 250 L/min flow rate)
	Safety Protection	Cooling water flow rate, protective gas pressure, furnace body temperature, power supply temperature, graphite furnace installation alarm
Automatic sampler		Optional
Data Processing	Measurement method	Flame atomic absorption spectrometry, graphite furnace atomic absorption spectrometry, hydride generation atomic absorption spectrometry, flame emission spectrometry
	Concentration calculation	Standard curve method (6 linear/nonlinear fitting methods), standard addition method, interpolation method
	Method	1-30 times, calculates and provides the average value, standard deviation, and relative standard deviation of absorbance/concentration
	Repeat measurements	Parameter printing, data result printing
Dimensions/Weight		850x650 x 550mm/95kg
Ambient Temperature		10 ~ 35 °C
Ambient Humidity		≦85 %
Power		110/220V，50/60Hz