Hollow cathode lamp for ass

1. Hollow Cathode Lamp for ASS

2. Hollow Cathode Lamp for ASS   Hollow cathode lamps  are metal-vapor discharge  lamps  specifically developed for  atomic absorption spectroscopy. The  hollow cathode lamp  consists of a glass cylinder filled with an inert gas usually Argon or Neon at low pressure. 

3. Hollow cathode lamps  are primarily used in instruments for  atomic absorption spectroscopy  ( AAS ).

4. Atomic absorption spectroscopy (AAS)  is a spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation (light) by free atoms in the gaseous state.

5. In analytical chemistry the technique is used for determining the concentration of a particular element (the analyte) in a sample to be analyzed.   AAS can be used to determine over 70 different elements in solution or directly in solid samples employed in pharmacology, biophysics and toxicology research.

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