36.  Monitoring of Heavy Metals in Fruits

Authors: M.N. Stefanut, I. David, Z. Stanoiev, C. Macarie


Abstract:

The paper proposes some possibilities for heavy metals monitoring in fruits. The heavy metals concentrations have been determinated by AA spectrometry and electrochemical methods: i = f(E) voltammetry and selective ion electrode determinations with a Thermo Orion 710A+ apparatus. The determination of heavy metals concentration in fruits is very important to be known because they both represent a natural and healthy source of vitamins, microelements, mineral salts, sugars, pectins, vegetable fibers necessary to human body equilibrium, and can be “small accumulators” of some toxic metals and their concentration in time can contribute to Alzheimer, hepatic, pancreatic, kidney diseases. The monitoring of heavy metals in fruits represents a possibility to evaluate the degree of medium pollution: soil, water, air.


Keywords: AA spectrometry, heavy metals, cyclic voltammetry, selective ion electrodes

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