Atomic absorption (AA) spectroscopy may not be a new analytical technique, but that does not mean it is any less important than alternative newer tools. Many analytical methods and regulations have ...

The basic principles of AAS can be expressed as follows. Firstly, all atoms or ions can absorb light at specific, unique wavelengths. When a sample containing copper (Cu) and nickel (Ni), for example, ...

Atomic Absorption Spectroscopy (AAS) is a technique that deals with the absorption of electromagnetic radiation of free gaseous atoms at a specific wavelength. AAS allows the measurement of extremely ...

THE determination of cobalt at low concentration has become important in relation to materials associated with atomic energy uses. Specifications for steels for such purposes require 0.02 por cent ...

Salt slurries in petri dishes with methanol are ignited and characteristic colors for various metals are observed. Colors of emission spectra are due to loosely-bound valence electrons being excited ...