Compare and contrast atomic absorption spectrophotometry and atomic emission spectrometry

Atomic absorption spectrophotometry (AAS) and atomic emission spectrometry (AES) are both analytical techniques that are used to determine the concentrations of chemical elements in a sample. However, they differ in the way that they measure the presence of the elements in the sample.

Atomic absorption spectrophotometry (AAS) is a technique that measures the absorption of electromagnetic radiation by the atoms of the element being analyzed. AAS measures the amount of light that is absorbed by the sample at a specific wavelength, which is characteristic of the element being analyzed. The amount of light absorbed is directly proportional to the concentration of the element in the sample.

On the other hand, atomic emission spectrometry (AES) is a technique that measures the emission of electromagnetic radiation from the atoms of the element being analyzed. AES measures the intensity of light emitted by the sample at a specific wavelength, which is also characteristic of the element _______ ____ ________ _____ __________ __________ _________ ______ ______.
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