Hollow cathode lamps are metal-vapor discharge lamps used in atomic absorption spectroscopy. They consist of a glass cylinder filled with an inert gas like argon or neon at low pressure. Atomic absorption spectroscopy uses hollow cathode lamps to determine the concentration of elements in samples by measuring the absorption of light as atoms are vaporized from the sample. It can be used to analyze over 70 different elements found in solutions, solids, and materials used in various research areas.

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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