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Atomic Absorption Spectrophotometer (Graphite Furnace Method)
Model : SP-AA3624G; SP-AA3628G Monochromator : Czerny-Turner type, focal lengths at 350mm Wavelength Range (nm) : 185-900nm Wavelength Accuracy (nm) : 0.3 nm; 0.2nm Wavelength
Scientific Studies
Documents
The atomic absorption spectrophotometer is widely used in the analysis of major and trace elements in metallurgy, geology, mining, petroleum, light industry, agriculture, medicine, health, food and environmental monitoring.
Atomic Absorption Spectrophotometer Features:
- Equipped with a complete software and hardware system, it is highly intelligent, easy to use and simple to operate, and meets the requirements of authority management, audit tracking and other requirements.
- Working methods can be stored, eliminating the need to repeatedly set test conditions, streamlining the detection process, avoiding duplication of work, and greatly saving users’ time and cost.
- Fully automatic eight/four lamp position rotating lamp stand, automatic switching, free setting of work lamp/preheating lamp, automatic call of optimal analysis parameters and analysis conditions.
- Total reflection optical system, full-band achromatic, automatic wavelength scanning, automatic peak search.
- It has both deuterium lamp and self-priming background subtraction to meet the detection needs of complex matrix samples.
- Longitudinal heating graphite furnace technology achieves uniform temperature of the graphite tube.
- The graphite furnace atomization system has alarm functions for insufficient cooling water flow, insufficient argon gas pressure, excessive temperature of the graphite furnace, abnormal power supply temperature, poor contact in the installation of graphite tubes, and automatically cuts off the temperature rise program to ensure the safety of the operation and use process.
- It can be used with an automatic sampler for safe and efficient analysis. The hanging installation is simple and easy to debug, maximizing the user’s work efficiency.
Atomic Absorption Spectrophotometer Specifications:
What is an atomic absorption spectrophotometer
AAS is an analytical technique used to determine the amount of certain elements in a sample. It utilizes the principle that atoms (and ions) can absorb light at a specific unique wavelength. When this specific wavelength of light is provided, energy (light) is absorbed by the atoms. The electrons in the atom move from the ground state to the excited state. The amount of light absorbed is measured and the concentration of the element in the sample can be calculated.
How does atomic absorption spectrophotometer work
Atomic Absorption Spectrometry is studied using an atomic absorption spectrometer (AAS or AA spectrometer). Here is how it works:
The sample is introduced into a nebulizer.
The nebulizer vaporizes the sample and converts it into a gas of free atoms.
A light source emits light at wavelengths characteristic of the element under test.
A monochromator selects a specific wavelength of light to excite the atoms in the sample.
The light passes through the gas sample.
The atoms in the sample absorb the characteristic wavelength of light.
The detector measures the amount of light absorbed.
From the amount of light absorbed the concentration of the element in the sample can be calculated.
