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Atomic Absorption Spectrometer

CI-7050 Atomic Absorption Spectrometer

The upgraded domestic good instrument CI-7020 features full-function atomic absorption and is equipped with a visual system for the graphite furnace, which can better assist users in locating the injection needle, observing the state of the sample in the graphite tube, and optimizing the temperature program of the graphite furnace, etc. 

Moreover, it is equipped with a gas-gas mode for the graphite furnace, which improves the effective utilization rate of the protective gas.

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In stock Categories : Atomic Absorption Spectrometer

 

CI-7050 Atomic Absorption Spectrometer

The upgraded domestic good instrument CI-7020 features full-function atomic absorption and is equipped with a visual system for the graphite furnace, which can better assist users in locating the injection needle, observing the state of the sample in the graphite tube, and optimizing the temperature program of the graphite furnace, etc. Moreover, it is equipped with a gas-gas mode for the graphite furnace, which improves the effective utilization rate of the protective gas.

Application

The CI-7050 series atomic absorption spectrophotometer can be widely used in the fields of metallurgy, petrochemical industry, geology, medical science, environmental protection, scientific research, agriculture, disease control, food, material science, quality inspection etc. The CI-7050 series can be used to analyse over 70 elements at both normal or trace levels.

Features

  • A single beam and short optical system allow for a strong signal and very low detection limits for elements such as, Se among others.

  • The CI-7050 features an integrated flame and graphite furnace design that contains the optical system, atomizer, graphite furnace power supply, and electronics all in one unit. It is first such design and one of the most compact AAS in the world.

  • Features automated or manual switching between flame and graphite furnace in less than 2 seconds.

  • Under-pressure protection of combustion gas/protection gas, leakage alarm of combustion gas, over-heating protection for graphite furnace and protection against abnormal flame.

  • Automatic wavelength positioning, automatic slit switch, and automatic optimization of lamp current and gain. All these operations can be completed within 40 seconds.

  • The eight lamp rotating turret is controlled by computer for automated element lamp selection, which allows for automated analysis of up to eight elements in sequence.

  • Automatic flame ignition, automatic control of the deuterium lamp and its facula, and automatic switch of graphite furnace power supply.

Model

Explanation

CI-7050

Flame atomizer, graphite furnace

CI-7050F

Flame atomizer

CI-7050G

Graphite furnace atomizer

Technical Specification

CategorySpecifications
Optical System

Wavelength range: 190–900 nm 

Mono-Chromator: C-T Grating Mono-Chromator

Wavelength repeatability: <±0.05 nm

Blaze Wavelength: 250 nm

Resolution: better than 0.1nm

Spectral bandwidth: Automatic switching between 5 levels: 0.1, 0.2, 0.4, 1.0, 2.0 nm

Wavelength accuracy: ±0.1nm

Grating: 1800 lines/mm

Baseline Stability: <±0.003A/30 min (Static), <±0.002A/30 min (Dynamic)

Flame Method

Benchmark Concentration of Cu: <±0.02 μg

Precision RSD: <0.6%

Position Adjustment: Adjustable height and angle. Flame to hydride can be switched in less than 1 minute.

Detection Limit: <0.003 μg/ml

Burner: Interchangeable full titanium burner of 50mm and 100 mm

Background Correction

Background correction is available for both flame and graphite furnace method.

Correction capability: When background absorption approaches 1.0 Abs, the instrument is capable of a background correction of 60 times or more.

Graphite Furnace Method

Benchmark Concentration of Cd: 0.3×10⁻¹² g

Temperature Range: Room temperature to 3000

Temperature Control Program: Max 20 step temperature program. 3 modes of temperature rise: step, slope and flat.

Heating Modes: Max power heating and optical control rapid heating

Detection Limit: 0.2× 10⁻¹² g

Precision RSD: <1.8%

Optical Control Temperature Rise Rate: >3000 /s

Max Power Temperature Rise Rate: >2000 /s

Temperature control modes: power control mode: Accuracy <1%, Reproducibility <0.5%

Data Processing

Measurement methods: Flame absorption, flame emission, graphite furnace, and hydride method

Analysis method: Linear fitting, nonlinear fitting, standard addition method

Printing output: Calibration curve, spectrum, analysis conditions, analysis parameters, and analysis results can be automatically stored and printed.

Main Unit with Integrated Graphite Furnace Power Supply

Dimensions: 880 (L) × 540 (W) × 450 (H) mm, 125 kg

Power Supply: ~220 V 50 Hz single phase, main unit power: 200 W, graphite furnace power: 4 KW

 

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