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Determination of arsenic, cadmium, chromium, lead, mercury, and tin content in food products

INTRODUCTION

This analytical procedure is intended for measuring the content of the elements (cadmium, lead, arsenic, tin, chromium and mercury) in the samples of food products by atomic absorption spectrometry with electro- thermal atomization using an “MGA-915M” Graphite Furnace AA Spectrometer.

MEASURING METHOD

The method is based on measuring resonance radiation absorption that occurs when the radiation passes through a layer of atomic vapor in the electrically heated graphite furnace of the “MGA-915M” AA spectrometer. The concentration of the elements is determined from the integrated analytical signal and is calculated using a preset calibration graph. The samples of food products are digested prior to analysis in accordance with standard methods.

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Determination of arsenic, cadmium, chromium, lead, mercury, and tin content in food productsDownload application file
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