Determination of zinc in food by Atomic fluorescence spectrometry (AFS) (CAT#: STEM-ST-0140-WXH)

Name: Determination of zinc in food by Atomic fluorescence spectrometry (AFS)
SKU: STEM-ST-0140-WXH
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Introduction

Zinc, an essential mineral, is naturally present in some foods, added to others, and available as a dietary supplement. Zinc is also found in some cold lozenges, over-the-counter drugs sold as cold remedies, and some denture adhesive creams.
Zinc is essential for many of the body's normal functions and systems, including the immune system, wound healing, blood clotting, thyroid function, and the senses of taste and smell. Zinc also supports normal growth and development during pregnancy, childhood and adolescence.

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Principle Applications Procedure Materials

Principle

Atomic fluorescence spectroscopy (AFS) is the emission of radiation energy in the UV-visible region from gas-phase atoms that have been excited to higher energy levels by absorption of radiant energy. Usually, a flame is used to obtain the atom in a gaseous state. It is a radiative emission process that proceeds from the lowest singlet (S1) to the singlet ground state(S0).

Applications

Atomic Fluorescence Spectrometry (AFS) is an analytical technique that is primarily used to detect and quantify metals. It is an exceptionally sensitive technique that relies on exploiting the distinctive fluorescent spectra of each specific metal.