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8.3: Sample Introduction Methods

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    In addition to a method of atomization, atomic spectroscopic methods require a means of placing the sample within the device used for atomization. The analysis of seawater for sodium ions requires a means for working with a sample that is in solution. The analysis of a salt-substitute for sodium, on the other hand, requires a means for working with solid samples, which could be first bringing it into solution or working directly with the solid. How a sample is introduced also depends on the method of atomization. Examples of different methods of sample introduction include aspirating a solution directly into a flame, injecting a small aliquot of solution onto a resistive heating mechanism, or exposing a solid sample to a laser or electric spark. More details on specific methods for introducing samples appear in the chapters that follow.

    This page titled 8.3: Sample Introduction Methods is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by David Harvey.

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