Absorption Spectroscopy: A technique for determining the concentration and structure of a substance by measuring the amound of electromagnetic radiation the sample absorbs at various wavelengths.

 

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Absorption Spectroscopy: A technique for determining the concentration and structure of a substance by measuring the amound of electromagnetic radiation the sample absorbs at various wavelengths.

Specific Absorption Rate (SAR): A measure of the rate at which RF energy is absorbed by the body.

Spectroscopy: Spectroscopy is analysis of the interaction between electromagnetic radiation and matter. Different types of radiation interact in characteristic ways with different samples of matter; the i . . . View Full Definition

Reabsorption: The return to the blood of most of the water, sodium, amino acids, and sugar that were removed during filtration; occurs mainly in the proximal tubule of the nephron.

Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample.

Absorption: The process in which incident radiant energy is retained by a substance. The absorbed radiation is then transformed into molecular energy.

Absorption Rate: The total number of vacant square feet of office space divided by the square footage leased per year historically. Used to analyze demand of office space in a given market area.

Absorption Spectrum: A plot that shows how much radiation a substance absorbs at different wavelengths. Absorption spectra are unique for each element and compound and they are often used as chemical 'fingerprin . . . View Full Definition

Path Length: In absorption spectroscopy, the length of a path taken by radiation through a sample.

Beers Law: (A=abc or A=epsilonbc) Beer-Lambert law. In absorption spectroscopy, the absorbance of a dilute solution is equal to its absorptivity times the path length times the concentration of the abs . . . View Full Definition