In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... However, there was still a difference between the atomic number of the atom and the atomic mass.

Atomic Absorption Spectrometers use particular wavelengths of light to evaluate the concentration of gas-phase atoms in a liquid or solid sample. After a solid sample is dissolved in a liquid or a ...

Taking the soluble copper content in water quality samples as the research object, a mathematical model was established and flame atomic absorption spectrophotometry was used to analyze the ...